phylogenetic models of language diversification...between bengali, persian, and 15 european...

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HAL Id: tel-00661866 https://tel.archives-ouvertes.fr/tel-00661866 Submitted on 20 Jan 2012 HAL is a multi-disciplinary open access archive for the deposit and dissemination of sci- entific research documents, whether they are pub- lished or not. The documents may come from teaching and research institutions in France or abroad, or from public or private research centers. L’archive ouverte pluridisciplinaire HAL, est destinée au dépôt et à la diffusion de documents scientifiques de niveau recherche, publiés ou non, émanant des établissements d’enseignement et de recherche français ou étrangers, des laboratoires publics ou privés. Phylogenetic Models of Language Diversification Robin Ryder To cite this version: Robin Ryder. Phylogenetic Models of Language Diversification. Applications [stat.AP]. Oxford Uni- versity, 2010. Français. tel-00661866

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Page 1: Phylogenetic Models of Language Diversification...between Bengali, Persian, and 15 European languages, and noted that on the other hand, Chinese, Hebrew, Malay and urkishT have very

HAL Id: tel-00661866https://tel.archives-ouvertes.fr/tel-00661866

Submitted on 20 Jan 2012

HAL is a multi-disciplinary open accessarchive for the deposit and dissemination of sci-entific research documents, whether they are pub-lished or not. The documents may come fromteaching and research institutions in France orabroad, or from public or private research centers.

L’archive ouverte pluridisciplinaire HAL, estdestinée au dépôt et à la diffusion de documentsscientifiques de niveau recherche, publiés ou non,émanant des établissements d’enseignement et derecherche français ou étrangers, des laboratoirespublics ou privés.

Phylogenetic Models of Language DiversificationRobin Ryder

To cite this version:Robin Ryder. Phylogenetic Models of Language Diversification. Applications [stat.AP]. Oxford Uni-versity, 2010. Français. tel-00661866

Page 2: Phylogenetic Models of Language Diversification...between Bengali, Persian, and 15 European languages, and noted that on the other hand, Chinese, Hebrew, Malay and urkishT have very

P②♦♥t ♦s ♦ ♥

rst♦♥

♦♥ ②r ♥s ♦

♣rs♦r

♦ ♦s

♣rt♠♥t ♦ ttsts

❯♥rst② ♦ ①♦r ❯

ssrtt♦♥ s♠tt ♥ ♣rt ♠♥t

♦ t rqr♠♥ts ♦r t r ♦ ♦t♦r ♦ P♦s♦♣②

♣r

Page 3: Phylogenetic Models of Language Diversification...between Bengali, Persian, and 15 European languages, and noted that on the other hand, Chinese, Hebrew, Malay and urkishT have very

strt

♥ rst♦♥ s st♦st ♣r♦ss ♣rs♥ts s♠rts t

♣②♦♥t ♦t♦♥ ♥t② tr s ♥ ♥trst ♥ ♠♦♥ ts

♣r♦ss t♦ ♣ s♦ ♣r♦♠s trt♦♥ ♥st ♠t♦s ♥♥♦t

rs♦ ♣r♦♠ ♦ st♠t♥ ♥ q♥t②♥ t ♥rt♥t② ♥ t

♦ t ♠♦st r♥t ♦♠♠♦♥ ♥st♦r ♦ t ♥♦r♦♣♥ ♥s s ♥

①♠♣

❲ ♠♦ ① ♥ ② ♣♦♥t ♣r♦ss ♦♥ ♣②♦♥t tr r

♠♦ s s♣② t♦r t♦ ① t ♥ ♥ ♣rtr trts s♣ts ♦

♥st ♥ r trt♦ ♥♦♥t ♦r ♥ ♦

str♦♥ ♠♣t ♦♥ st♠ts tstr♦♣ rt tr♦♥t② ♥ ♠ss♥

t ❲ ♠♣♦s ♣r♦r strt♦♥ ♦♥ t tr t♦♣♦♦② ♥♦ s ♥ ♦tr

♠♦ ♣r♠trs rrs♦♥s t♦ ♦♠♣t t ♦♦ ♥ st♠t

♣r♠trs ♦♥t② s♥ r♦ ♥ ♦♥t r♦

❲ t ♦r ♠t♦s s♥ ♥ ①t♥s r♦sst♦♥ ♣r♦r

r♦♥strt♥ ♥♦♥ s ♦ ♥tr♥ ♥♦s ❲ ♠ s♦♥ t♦♥

s♥ s②♥tt t ♥ s♦ tt ♠♦ ♠ss♣t♦♥s t♦ ♦rr♦♥

♦ ①♦♥ t♥ ♥s ♥ t ♣rs♥ ♦ ♠♥♥ t♦rs ♥ ①

t ♦ ♥♦t t♦ s②st♠t s

Page 4: Phylogenetic Models of Language Diversification...between Bengali, Persian, and 15 European languages, and noted that on the other hand, Chinese, Hebrew, Malay and urkishT have very

❲ t ♦r ♠♦ t♦ t♦ t sts ♦ ♥♦r♦♣♥ ♥s ♥ st♠t

t ♦ Pr♦t♦♥♦r♦♣♥ r ♠♥ ♥②ss s st

♣♦str♦r ♣r♦t② ♥st② ♥tr ♦ ②rs ♦r t Prs♥t

♥ ♥ t t s♦ ♥t♦♥ ②♣♦tss ♦r t ①♣♥s♦♥ ♦ t ♥♦

r♦♣♥ ♥s ❲ sss ② r ♥♦t ♦♥r♥ ② t ♠♦s

rts♠s ♦ sttst ♠t♦s ♦r st♦r ♥sts ② rs♥

♥ ❱♦t ❬❪ ❲ s♦ ♣♣② ♦r ♠t♦s t♦ t r♦♥strt♦♥ ♦ t

s♣r ♦ ♥ ts ♥ t♦ t tt♦♥ ♦ ♣♥tt♦♥ rsts ♦

♥ ♥ ♥ t ♥♦r♦♣♥ ♠②

Page 5: Phylogenetic Models of Language Diversification...between Bengali, Persian, and 15 European languages, and noted that on the other hand, Chinese, Hebrew, Malay and urkishT have very

♥♦♠♥ts

s tss ♦ ♥♦t ♥ ♣♦ss t♦t t ♣ ♦ ♠♥② ♣♦♣

♦t ♦♥② t ♥s ♥tr ♦t♦r r♥♥ ♥tr ♣r♦

♥ ①♥t ♣r♣rt♦♥ t♦ ♦t♦r ♦r t② s♦ ♣r♦ ♥

♣ ♥ ♣rtr r♥ ❨♦rs ♦♠♠t♠♥t t♦ ♣r♦♥ ssst♥ ♥

♦♦♥ ♦r ♥♥ s ♠♣rss

①♠♥rs ♦r ♠② ♠② tr♥sr ♥ ♦♥r♠t♦♥ ♦ stts ♦t♥

♥ ❩♥ ❨♥ s♥ ♥rt ♥ ♥ ❱♥ ♣r♦ ♠ t

♣ ♥sts ♥t♥ t♥s♦♥ ♥ rs ♦tr s♦ ♠

♦♠♠♥ts

② ♦t♦r ②rs ♥ s♦♠ ♦ t ♠♦st ♥♦② ♦ ♠② t♥s

t♦ ♠② ♦♥r ♠② ♥ r♥s ♠ r② rt t♦ ♠② ♣r♥ts ♦r

tr ♦♥t♥ s♣♣♦rt ♥ t ♣rs♥ ♦♥ ♠② s ♦ ♠② ♥é s

Pr♦ss♥s♦♦♥t♦②r s ♥ ♥

♠ ♠③ t ♦ ♠ r ♦ ♦s s ♠♥ t♦ t ♠ ♥

ts ♣st tr ②rs ♣r t♦ ♥ s♣rs ② ♠ ♥

s r② ♠ ♠ss s ♥ ♥ ♦♥rst♦♥ ♥r♥s

Page 6: Phylogenetic Models of Language Diversification...between Bengali, Persian, and 15 European languages, and noted that on the other hand, Chinese, Hebrew, Malay and urkishT have very

♦♥t♥ts

♥tr♦t♦♥ ♥ r♦♥

♥♦r♦♣♥ ♠② ♦ ♥s

P②♦♥t ♠♦s ♦r ♥st t

P②♦♥ts ♦r tr st♦r② ♥ ♥tr♦♣♦♦②

sr♣t♦♥ ♦ t t ♥ ♦ t ♠♦

sr♣t♦♥ ♦ t t

♦ sr♣t♦♥

Pr♦r strt♦♥ ♦♥ trs

rst♦♥ ♦ ♦♥② sss

rstrt♦♥ ♣r♦ss

P♦♥t ♣r♦ss ♦ rts ♦r rstr ♦♥② sss

♦♦ t♦♥s

P♦str♦r strt♦♥

♠ rrst②

♠♣♠♥tt♦♥

Pr♦♣rt② ♦ t ♣♦str♦r

Page 7: Phylogenetic Models of Language Diversification...between Bengali, Persian, and 15 European languages, and noted that on the other hand, Chinese, Hebrew, Malay and urkishT have very

♠♣♠♥tt♦♥ ♥ t

r♦ ♥ ♦♥t r♦

♥ tsts

❱t♦♥

♥♠♦ tst♥

tstr♦♣s

ss♥ t

t♦♠♦ tst♥

♦rr♦♥

♥♥ t♦rs

rst②

♦♥strt♦♥ ♦ ♥♦♥ s

♥②ss ♦ ♥♦r♦♣♥ t sts

♥②ss ♦ t ♥ t ❬❪ tst

♥②ss ♦ t ②♥ t ❬❪ t

♦♥s♦♥s ♥ ①t♥s♦♥s

st♥ s♦♠ ①tr♠ ①♠♣s st ② rs♥ ❱♦t

❬❪

♥ ts

P♥tt♦♥ rsts

s st

Page 8: Phylogenetic Models of Language Diversification...between Bengali, Persian, and 15 European languages, and noted that on the other hand, Chinese, Hebrew, Malay and urkishT have very

♣tr

♥tr♦t♦♥ ♥ r♦♥

♥♦r♦♣♥ ♠② ♦ ♥s

♦st ♥s ♦ r♦♣ ♥ sr ♥s ♦ ♥ r ♠♠rs ♦ t

s♠ ♠② t ♥♦r♦♣♥ ♠②

Prs♦♥s ❬❪ s♦r s♠rts ♥ t ♦rs ♦r s ♥♠rs

t♥ ♥ Prs♥ ♥ r♦♣♥ ♥s ♥ ♥♦t tt ♦♥ t

♦tr ♥ ♥s r ② ♥ rs r② r♥t ♦rs ♦r

♥♠rs ♠ t♦ t ♦♥s♦♥ tt t♦s ♥s r rt ♥

st♠♠ r♦♠ ♦♠♠♦♥ ♥st♦r t ♥ ♦ ♣t s♦♥ ♦ ♦

♦♠ ♦ ts s♠rts r s♦♥ ♥

♠rts t♥ ts ♥s ♥ s♦ ♦♥ ♥ ♠♥② ♦tr ♦rs

♥ ♥ s②♥tt ♥ ♣♦♥t trs rtr♠♦r t r♥s t♥

♥s s♦ r ♣ttr♥s ♠♥ t ♠♣♦ss ♦r ts s♠rts t♦

t♦ ♦♥♥ t s ♥♦ ♣t tt ts ♥s r rt

s♦s t strt♦♥ ♦ t ♥s ♥ t ♥♦r♦♣♥ ♠②

Page 9: Phylogenetic Models of Language Diversification...between Bengali, Persian, and 15 European languages, and noted that on the other hand, Chinese, Hebrew, Malay and urkishT have very

♥♥ ♥ë ② tr ♥ë♥të♥ tr ♥②♥s ♦♥ t♦ tr ♥♥r ♥ ♦ trs ♥♥rs ♦♥ ♦ tr ♥♦t♥ ♥♦ tr ♥♦Prs♥ ② ♦ s ♥♦ss♥ ♦♥ tr ②ts ♥ t tr ♥♦

♦r♥ ss tr ♥

♥s ② r s♥ r s♥②♠ s♦s tsrs r ü ♦③

♠rs ♥ s♦♠ ♦ t ♥s ♥ Prs♦♥s s♠♣ rst t♥s♦ s♥♥t s♠rts t② r ♠♠rs ♦ t ♥♦r♦♣♥ ♠②♦r ♥s ♦ ♥♦t s t t♥ ♣t s♦ ♥ ♣♣r♦①♠t♣♦♥t tr♥sr♣t♦♥

s t s ♥rst♦♦ ♥♦②s

♥s t ♥♦r♦♣♥ ♠s sr ♥r ♥ st♥s

r♦♣♥ ♥s r ♥ ♠♦r ♦s② rt ♥♠r

♦ ♠♦s ♦ t♦s s♠rts r s♦♦♥ ♣r♦♣♦s ♦r ①♠♣ ♠t

❬❪ ♣r♦♣♦s ♠♦ ♥ ♦r ♥s ♦♣s rt♥

♥♠r ♦ ♥♥♦t♦♥s s♣r t♦ s♦♠ t rr② ♥s ♥

t ♠② s s♦♥ ♥ r♦♣ t♦ ss♥ P♦s

t♥♥ t r♠♥ ♥s r♠♥ s s ♦t

♥ ♠ t rt♥ s ♥♥s r ♦tr ♥s

②♣♦tss s tr♦r tt ♦♥ r♠♥ ♦r t♦ ♥

♦♣ ♥ ♠ s ♥♥ ♥ tt tt ♥♥♦t♦♥ s♣r t♦ ts

♥♦rs t♦t r♥ t ♦tr ♥♦r♦♣♥ ♥s ♥ t

Page 10: Phylogenetic Models of Language Diversification...between Bengali, Persian, and 15 European languages, and noted that on the other hand, Chinese, Hebrew, Malay and urkishT have very

r ♣ ♦ ♥♦r♦♣♥ ♥s s♦♥ ② ♥s s♥t tr♦♥ rs♦♥ ♦ r②r t ❬❪

♦tr ♥ s♦ r♦♣ t♦ t r♠♥♥ ♥ ♥♦r♥♥

s t♦s ♥s ♥ s r ♦tr ♥s ❬♦r②

♠♦ s ♣♣r♦♣rt ♥ s♠ ♥♠r ♦ ss t ♥ ♥r

♠♦r ♣♣r♦♣rt ♠♦ s ♥t ♦♥ r s str♦♥ tr s♥

♥ ♥st t ❬♦♥ ♥ ♦♥ ❪ ♥ t ♦srt♦♥ ♦

r♥t ♥ ♥ tr♦ rtt♥ t①ts t♥ t♦ t♥ r♥

♥ ♣♥s s♦s tt ♠♦t♦♥ t s♥t ♦♥ts ♦r ♠♦st ♦

t ♥s r ❬❪ s t rst t♦ ♣r♦♣♦s s ♠♦ ♥

♥tr♦ t tr r♣rs♥tt♦♥ ♦rr♦♥ ♦r② r♦♠ ♦♦②

♥tr♦ tr♠s s s ♥s s♣s ♦r rt② t♦ sr ♥

r♦♣♥s ♥ ♠ t rst tt♠♣t t ♥ ♦t♦♥r② tr ♦ ♥♦r♦♣♥

♥s s♠rts t♥ ♥ rst♦♥ ♥ ♦♦

Page 11: Phylogenetic Models of Language Diversification...between Bengali, Persian, and 15 European languages, and noted that on the other hand, Chinese, Hebrew, Malay and urkishT have very

Indo−Iranian

ArmenianBalto−SlavicGermanic

Italic GreekCeltic

r ♠ts ♠♦ ♦ rt♦♥s♣s t♥ ♥♦r♦♣♥ ♥s ♥ s ♣rt ♦ ♦♥ ♦r sr r♦♣♥s ♠② ♥trst

♦t♦♥ r s♦ ♥♦t ② r♥ ❬❪ ♦r♠t♦♥ ♦ r♥t

♥s ♥ ♦ st♥t s♣s ♥ t ♣r♦♦s tt ♦t ♥ ♦♣

tr♦ r ♣r♦ss r r♦s② ♣r ❲ ♥ ♥ st♥t

♥s str♥ ♦♠♦♦s t♦ ♦♠♠♥t② ♦ s♥t ♥ ♥♦s t♦

s♠r ♣r♦ss ♦ ♦r♠t♦♥ ♥ tr r str♥ s♠rts t♥

t ♣r♦sss ♦ ♦♦ ♦t♦♥ ♥ ♥st rst♦♥ ♥s

t ♦r② ♣♦♥♦♦② ♥ ♠♦r♣♦s②♥t① ♦ ♥s r ♣ss ♦♥ r♦♠

♣r♥ts t♦ r♥ ♥ ♣r♦ss ♦ s♥t t ♠♦t♦♥

❲t tr ♠♦ t♦ qst♦♥s ♥ ♥sr♥ ❲t s t t♦♣♦♦②

♦ t tr ♦ ♦ s t r♦♦t rt♦♥② t t♦♣♦♦② ♦

r♦♥strt ② ♥ ② ♥ ①♣rt ♥st ♦♥ t ♥s ♥r st②

s♥ t ♦♠♣rt ♠t♦ ② ♦♠♣r♥ ♦rs ♦ ♥t ♦r s♠r

♠♥♥s ♥ r♥t ♥s t ♥st ♦ tr② ♥ ♥t② ♦♥ts

♠♥♥ t♦rs ♦r t ♥s rt ♦rs s t♦♥

♥ ♦r ♠♦r ts ♥ ♥ ①♠♣ ♦ ♦♥② sss t

Page 12: Phylogenetic Models of Language Diversification...between Bengali, Persian, and 15 European languages, and noted that on the other hand, Chinese, Hebrew, Malay and urkishT have very

t s♠ t♠ t② ♦ ♥t② t s②st♠t ♣♦♥t ♦rrs♣♦♥♥s

tr♦ t ♥s ♣ss ② ♦ t♥ r♦♥strt t

t♦♣♦♦② ♦ t tr ♥ t s♦♥ ♥s tt ♦r ♦♠♣rt

♥sts ♦t♥ tr st ♠♦r ♥ rt t♥ s♥

r s ♥♦ rt ② ♦ st♠t♥ t ♦ t r♦♦t s♦ r♦♦

♥ s s ♦r t♥ sss ♥ t s ♦ ♥♦r♦♣♥ ts s

t♦ ♦♥tr♦rs② ❬♠♦♥ ♥ ♦♦ ❪ ♠♥ ②♣♦tss

♠♦♥st ♥sts s ♣♦stt ② ♠ts ♥ ♥♥ ❬❪ ♥ ♦s

tt t ♠♦st r♥t ♦♠♠♦♥ ♥st♦r ♦ ♥♦♥ ♥♦r♦♣♥ ♥s

r♥ ♥♦ rr t♥ ♦t ②rs ♦r t Prs♥t P t

t ①♣♥s♦♥ ♦ t r♥ ♦rs♠♥ ♣♦♣ ♥ ♥ st♣♣s ♥♦rt ♦ t

♣r♦♣♦♥♥ts ♦ t r♥ ②♣♦tss ♦ tt ♦♠stt♦♥

♦ t ♦rs ♥ ♦ t t r♥ s♥♥t ♠tr② ♥t

♦♥ ♥ ♥♦r♠♦s ①♣♥s♦♥ ❬♦r② ❪ ♥ tr♥t ②♣♦tss

ssts tt t s♣r ♥ r♦♥ P ♥ t ♥t♦♥s ♠str

r♠♥ ♥ t r② ♦t ❬♥r ❪ t♥ t r♦♦t ♦ t ♥♦

r♦♣♥ ♥s ♦ tr♦r s t ♦♥ t ♥ts ♦

t ♥♦r♦♣♥ ♠② t♦ s♣r s♦ r s ss s t ♠♥ qst♦♥

♥ ♠ ♦ t ♦r ♣rs♥t ♥ ts tss

rst s②st♠t ♠t♦ ♦r st♠t♥ t r♦♦t ♦tt♦r♦♥♦♦②

s ♦♣ ② ♦rrs s ♥ t s s s st ♦ ♦t

♠♥♥s ♦ ♦r ♦r② tr r♥ t♦ st ♦ ♠♥♥s

r ss♠ t♦ ♦ t ♦♥st♥t s♦ rt ♥ sts ♦ ♦r

♦r② ♦r t♦ ♥s ♦ tr tr ♦rs ♦r

♥ ♠♥♥ r ♦♥t ♣r♥t ♦ ♦♥t ♦rs ♦ t♥

Page 13: Phylogenetic Models of Language Diversification...between Bengali, Persian, and 15 European languages, and noted that on the other hand, Chinese, Hebrew, Malay and urkishT have very

rt② tr♥st ♥t♦ t t t t t t♦ ♥s s♣t tr♦

t ♦r♠ t = log C

2 log r r C s t ♣r♦♣♦rt♦♥ ♦ sr ♦♥ts ♥

r s t rt♥t♦♥ ♦♥st♥t ss♠ t♦ ♦♥st♥t r♦ss ♥s

❬s ❪ r ♦ st♠t s♥ ♥② ♣r ♦ ♥s ♦r

t ♦ t ♦♠♠♦♥ ♥st♦r s ♥♦♥ rs♥ ♥ ❱♦t ❬❪

② ♦ t♦ ♦tt♦r♦♥♦♦② ♥ t② s ♥♦♥ ts t♦ s♦

tt t rt♥t♦♥ ♦♥st♥t s ♥ t ♥♦t ♦♥st♥t t ts r② r♥t

s ♥ t tr r♦♣s ♦ ♥s t② st ♦rs ♥ ♥

♦r♥ ♥ ♦r♥ ♦r♥ ♥ ♥r♥ ♥ ♥ ♦r♥

r♠♥♥ ♦tt♦r♦♥♦♦② s ♥♦ ♥ srt s♣t rts♠s

♦ t sss rs ② rs♥ ♥ ❱♦t ❬❪ ❬♥♦ ❪ ♥

t s♠s s t♥♥ t♦ ♦♣ t♦ s♠♠rs ♥ ♥ ♥ s♥

♥♠r ♦r tr r sss t rs♥ ♥ ❱♦t ❬❪s ♦r

♥ s♦ ♥ ♣tr tt ♠♦r♥ ♠t♦s r ♥♦t st t♦ t s♠

rts♠s r s tr t ♥st ♦♠♠♥t② r♠♥s ♥♦♥tss

r② s♣t ♦t tt♠♣ts t t♥

P②♦♥t ♠♦s ♦r ♥st t

♥t ♥s ♥ ♣②♦♥ts ♠ t ♣♦ss t♦ t ♠♦s ♦ ♠

rtr ♦♠♣①t② ♥ ♠ ♦sr t♦ rt②

rst tt♠♣ts t tt♥ ♣②♦♥t ♠♦s t♦ ♥st t r

sr ♥ rts ② r② ♥ ♦r♥ ❬❪ ♥ r② ♥ t♥s♦♥ ❬❪

r② ♥ ♦r♥ ❬❪ ♣♣② ♠①♠♠ ♣rs♠♦♥② t♦ tst ♦ ①

t♠s r♦♠ str♦♥s♥ ♥s ♥ ♥ ♥ s♣♣♦rt♥ ♦♥ ♦

Page 14: Phylogenetic Models of Language Diversification...between Bengali, Persian, and 15 European languages, and noted that on the other hand, Chinese, Hebrew, Malay and urkishT have very

t ♠♥ ②♣♦tss ♦ str♦♥s♥ ①♣♥s♦♥ t s♦ ①♣rsstr♥

②♣♦tss tt str♦♥s s ♦♦♥③ r♣② ② r♠♥ ♣♦♣ ♦t ♦

♥ ② ♦ ♥♦t tt♠♣t t♦ t ♥② ♦ t ♥tr♥ ♥♦s ♦♥

❬❪ s♦ ♣♣② ♠①♠♠ ♣rs♠♦♥② t♦ ♥t ♥ ♥t♦ ♥s

s♣♦♥ ♦t ♦ t r t② ♥ tt t ♠♦st ♣rs♠♦♥♦s tr ♦♦s

t ①♣♥s♦♥ ♦ r♠♥ ♥ sr♥ r ♥t♥ tt t s t

♠str♥ ♦ r♠♥ tt ♦ t ♥t ♣♦♣ t♦ ♦♦♥③ s r

r

r② ♥ t♥s♦♥ ❬❪ ♣♣② t ♣②♦♥t ♠t♦ t♦ ♥♦r♦♣♥

♥ t ♦t ② ②♥ t ❬❪ s♥ t ♥t sts ♠♦

♠♣♠♥t ♥ t r②s ♣ ② s♥ ♥ ♦♥qst ❬❪

rsts ♦t♥ s♥ ♣♥③ ♠①♠♠ ♦♦ r r② ♦s t♦ t

trs ♥ ② ss ♦♠♣rt ♥sts ♠t♦s ② ♠♣♦s ♣rt ♦

t t♦♣♦♦② ♦ t tr ♦tr ♥♦♥str♥ ♥r ② ② tr ♥②ss

♦rrs♣♦♥ t♦ t♦s s② ♣t ② st♦r ♥sts r ♦ t

s♠s t② ♥ s♦ ♦rrs♣♦♥ t♦ t s r② t♦ tr

s s s♠② r♦♣♥ r♠♥ ♦♠♥ ♥ t ♥s tr

♣rts ♦ t tr r ♥rs♦ s s t ♣♦st♦♥ ♦ ♥♥ ❲ tr

rsts ♦ ♥♦t s♦ ♥② ♥ r♦♣♥s t t tt t rsts ♦rrs♣♦♥ t♦

t s ♣t ② ♥sts ♦♣ tt ♣②♦♥ts ♦ sss②

s ♥ ♦tr ss st ♥ ♠s ♦r ♦♥tr♦rs② t②

tt♠♣t t♦ t t ♥tr♥ ♥♦s ♥ r♦♦t ♦ t tr ♥ st♠t t

♦ Pr♦t♦♥♦r♦♣♥ t♦ t♥ P ♥ P ♥ ♥ t

t ♥t♦♥ ②♣♦tss ♦r t ♥t sts ♠♦ t② s s ♥♦t

st t♦ ① t ♥ ♣rtr t ♦s ♦r ♦♠♦♣s② ♦r s♥

Page 15: Phylogenetic Models of Language Diversification...between Bengali, Persian, and 15 European languages, and noted that on the other hand, Chinese, Hebrew, Malay and urkishT have very

♦♥② ss t♦ ♦r♥ sr t♠s t r♥t ♣♦♥ts ♦ t tr

s ♥♦t ♣♣r♦♣rt s♠ ♠t♦s r ♣♣ t s♠r rsts t♦

♥♦tr t st ♦ ♥♦r♦♣♥ ♥s ② t♥s♦♥ t ❬❪ t

tr s tt ♥ tr♠s ♦ t♦♥ ♦ t ♥♥s

s ♥ ♦ rsr s s♣♥ ♦t ♦ ♥trst ♥♥ ♦ts ♦

s♥t rs ❬❲ ❪ ♥♠r ♦ ♦tr r♦♣s ♣♣ r♦s

♠t♦s r♦♠ ♦♦② t♦ ♥st tsts

①♦ t ❬❪ ♣r♦r♠ ♠①♠♠ ♣rs♠♦♥② ♥②ss ♦ t ②♥

t ❬❪ t ♦ ♥♦r♦♣♥ ① t♠s ② r♦♥strt t

♥♦♥ ♠♦r trs ♦ t ♥♦r♦♣♥ ♠② t tr s ♦t ♦

♥rt♥t② ♦t t t♦♣♦♦② ♦s t♦ t r♦♦t ② ♥♦t tt t s

♦r② ♦ ♥♦r♦♣♥ s str♥② tr r②♥t t ❬❪ ♦♠

t♦ t s♠ ♦♥s♦♥ ♥ tr ♥②ss ♦ t t r♦♠ ②♥ t ❬❪

s♥ ♦rt

♦♥ ♥ ♦♥ ❬❪ s♦ ♣♣② t ♦r♦♥♥ ♠t♦

t♦ ♥♦r♦♣♥ ♥s ♥ ① t♠s ♥r♦♦t tr t②

♦t♥ s♦s t t♥ ♥r ♥r② ♠tt ♦r ♥♦r♦♣♥ ♥s

t ♥♦ r rt♦♥s♣ ♣♣rs t♥ t ♥r

t♥ t ❬❪ s t s♦tr ❬r♠♠♦♥ ♥ ♠t

❪ t♦ st♠t t ♦ t ♠♦st r♥t ♦♠♠♦♥ ♥st♦r t♦ t ♠t

♥s t ♦ ♥♦t t ♥rt♥t② ♦ tr st♠ts

♥♥ t ❬❪ ♣♣② ♠①♠♠ ♣rs♠♦♥② ♥②ss t♦ t strtr

♠♦r♣♦s②♥tt ♥ ♣♦♥♦♦ trs ♦ st ♦ ♥ ♥s

r ♥♦♥ t♦ ♦s② rt t s♠ t♦rs tr ♠♦ ♦♥ t♦

②s♥ ♣②♦♥t ♥②ss s♥ r♦s ♠♦s r♦♠ ♦♦② ❬♥♥

Page 16: Phylogenetic Models of Language Diversification...between Bengali, Persian, and 15 European languages, and noted that on the other hand, Chinese, Hebrew, Malay and urkishT have very

t ❪ ♥ tr rsts r s♠r t♦ t♦s ♥sts ♦t♥ s♥

t ♦♠♣rt ♠t♦ ② r tt t tr ♠♦ s ttr st

t♦ strtr trs t♥ t♦ ① trts s ♦rr♦♥ ♦ strtr

♦♥② ♣♣♥ ① ♦rr♦♥ s♦ ♦rs rs t ♦♥rs s ♥♦t

tr ❬♦rs ❪ t♦ ♦s ❬❪ ts t ♦♣♣♦st tt

r♠♠t trs ♦ r♣② ♥ r ♠♦r st t♦ r♦♥ ♥♥s

t♥ ① t ♥ t r♦♥strt♦♥ ♦ t ♥ ♠② s ♦♦ t②

①tr♣♦t tr ♠t♦ t♦ ♥♠r ♦ P♣♥ ♥s ♦s st♦r② s

♥♦t ♥♦♥ ② ♦♥ tt t P♣♥ ♥s ♠st tr sr

♦♠♠♦♥ ♥st♦r ♦r tt tr ♠st ♥ ♦♥tt t♥ t P♣♥

♥s ♦r P

❱s r s t♦ tr ♠♦r♣♦s②♥tt ♦r ① t♠s rt♥

♠♦r s♥ r♦♠ ♥s ♥st♦r ♦r ①♠♣ ♦♠s♦♥ ❬❪ ♥♦ts

tt t ♥ ♦ ♥③♥ s ♣♣r♥t② ♦r♥② ♥ t st

♠② ♥ rt♥s ♠ st s ♦r② t tt ts s②♥t① s

♥ ♠♦ ②♦♥ r♦♥t♦♥ tr♦ ♦♥tt t ♥♦r♥ ♥t

♥s s♠ t♦r ♠s tt ts ♦rs ♥ stt♦♥s r

s♣rs ♦ t s♦r ♥ r♥ t r♥ ♥s ♠♣rt②

rs ♦rr♦♥ ♦ ① t ♥♦t ♠♦r♣♦s②♥tt t♠s ♦rs ♥

s♣rs ♦ t r♥ ♥ ♦♣t ♥ t♠s r♦♠ t s♦r ♥

❬♦♠s♦♥ ❪

♥s♥ t ❬❪ ♦♠♣r ① ♥ ♥t t r♦♠ t ♥♦♥s♥

s♥ ♦ ♠ ② ♠ t♦ s♦ tt t ♠♥s ♥s t②

s♠♣ ♦r♠ s ♦ t str♦♥s♥ ♠② t♦ tr r♠♥t s

♥♦t r ♦r ♥trst♥② t② ♥ ♣♦st ♦rrt♦♥ t♥ rt♥t♦♥

Page 17: Phylogenetic Models of Language Diversification...between Bengali, Persian, and 15 European languages, and noted that on the other hand, Chinese, Hebrew, Malay and urkishT have very

♦ Pr♦t♦str♦♥s♥ ♦♥ts ♥ str♦♥s♥ ❨ r♦♠♦s♦♠ ♥s s

s ♦rrt♦♥ t t st♥ t♦ t ♣ r t s t

♥st♦rs ♦ t ♠♦r♥ ♣♦♣t♦♥s rst r ♦♥ ♠

t♦ s♦♠ ♥rst♦♦ t r rr♦r rs rst♥ r♦♠

sttst ♥②ss ♦ ♦♠♣rt t t♦ s♥ ♦ ♥ss ♥ ts

♠t♦♦♦s t② r t② ♦♥ ♦ ts ♠♥ str♥ts t ♦♠♣rt

♠t♦ s ♣rs♥t② ♦r♠t ♦s ♥♦t st♠ts ♦ ♥rt♥t② ❬P

♥♦tr ♦♠♠♦♥ rts♠ s tt t tr ♠♦ s ♥♦t s st

t♦ ♥s s t s t♦ ♦♦ s♣s ♥ t♦ t ❬❪ ♦♥

②r③t♦♥ ♥ ♦ ♥♠ ♥ ♦ ♣♥t s♣s r ♥ rs♣♦♥s

t♦ ♦♠r ❬❪ ♦ stt tt t tr ♠♦ ♥ssr② ♥♦s

s♠♣t♦♥ ♦ t t st♦r ts ♠♣ ❬❪ ♦♥t♥s tt

st♦r ♥sts ♦ s② t s ♥♦t s♠♣t♦♥ rtr ❬ts ♠t♦s❪

rss rt② ♦♥② ♥rt ♠tr ♦tr ♠t♦s ♥ t♥qs

♣ t♦ ♦♠♣t t ♣tr s s ♥ ♦♣ ♦r tt t q♥ttt

♠t♦s sr t s♣t ♦ ♥ st♦r② t② tt♠♣t t♦

sr rtr t♥ t ♦♠♣t ♣tr ♥ ♥r t tr ♠♦ s

♦♦ t ♦r ♦r ♦r②

♦♠ ♥sts s ♦r ♠♦s ♠♦r s♣② t♦r t♦ ♥st

t ❬r♦t ❪ ♦t♥ t ♥ ♦r ♠♦s s♣ t♦ ♥st t rtr

t♥ ♦rr♦ r♦♠ ♦♦② ❲r♥♦ t ❬❪ ♦♣ ♠♦ ♦r ①

♣♦♥♦♦ ♥ strtr t ♥s s♦♠ ♦ t s♣ts ♦

♥ rst♦♥ ♦r ♣♦♥♦♦ ♥ strtr t ♠tt♦♥

t♦ s♣ t ♦♠♦♣st stt s ♦ ② ss♠ tt ♥

Page 18: Phylogenetic Models of Language Diversification...between Bengali, Persian, and 15 European languages, and noted that on the other hand, Chinese, Hebrew, Malay and urkishT have very

♦t♦♥ s ♠♥② tr t s♦♠ s t♥ s②♥r♦♥ ♥s

t♦ ♠♦ ♦rr♦♥ ② ss♠ ♦♠♣t rt tr♦♥t② t rts

r r♥t ♦♥ r♥t r♥s ♥ ♦r r♥t rtrs ② ♦

♥♦t t t ♠♦ t ♣r♦ tt t t♦♣♦♦② ♦ t tr s ♥t

♠♦♦ t ♣♠♥t ♦ t r♦♦t ♥ t rt ♣r♠trs s♠ r♦♣

♣r♦♣♦s t♦ ♦♥strt ♣rt ♣②♦♥t ♥t♦rs ❬ t ❪ ②

tr♥s♦r♠♥ ♠①♠♠ ♣rs♠♦♥② tr ♥t♦ ♥t♦r ♥ ♠ t

❬❪ ♥ ♦rôté t ❬❪ ♦♣ ♠♦s ♦r ♣♦♥♦♦ t

♥ s t♠ t♦ ♥t② ♥ ♠s

♦s ♥ r② ❬❪ t ♠♦ s♣② t♦r t♦ ♥st t

s st♦st ①t♥s♦♥ ♦ t ♠♦ sr ② ♦♦ ❬❪ ♥ s

♥ ♦♦ ♦♥t①t ② s♥ ❬❪ ♥ rrs ❬❪ r rsts

s♦ s♣♣♦rt t ♥t♦♥ ②♣♦tss ♥ t② st② ♥♠r ♦ ♠♦

♠ss♣t♦♥s ♦ ♥tr♦ s②st♠t s ♥ ♣rtr

t② ♥♦t tt rr t str♦♥ rt tr♦♥t② ♦ ♥♥

♦♥ t st♠ts s♥ t ♦ r t♦ tt ♥ t t s♠ t♠

r t r ♦♥ ♥②ss s♦ s♦ tt t ② ♠ss♥ t r

♥ ② ♦s ♥ r② ❬❪ s r ♥ t ♦rs t♠ t♦ sr

sr ♥s r♦♠ tr ♥②ss ♣tr ♦ ts tss ①♣♥s t

♠♦ t② ♣r♦♣♦s ❲ ♣♣② t t♦ sr ♥st t sts ♥ ♣tr

♥ trs ♦♥strt t ♣②♦♥t ♠t♦s ♥ s t♦

st② ♦tr s♣ts ♦ ♥ ♥ r♠♥ t ❬❪ st② str♦♥

rs ♥ ♥ ♦r♥ ♥s ♥ t t rt t str♦♥

rs r rr③ t② ♥ tt t rt ♦ rr③t♦♥ ♥s t t

sqr r♦♦t ♦ t s rq♥② r s s t♠s ♠♦r ♦t♥

Page 19: Phylogenetic Models of Language Diversification...between Bengali, Persian, and 15 European languages, and noted that on the other hand, Chinese, Hebrew, Malay and urkishT have very

t♥ ♥ ♦tr rr③ t t rt rsr ② r♠♥

t ❬❪ s ♠ sr ② t t tt t② ♥ t ♥str② ♦ t

tr ♥s t② r st②♥ P t ❬❪ s t♦ st♠t

rt♦♥ ♥ rts ♦r ♦r② ♥ ts rts r ♠ ♦r t♥ t

rts ♦ rr③t♦♥ ♦ str♦♥ rs t② ♥ t♦ st② ♦♥r t♠

♣r♦ ♥ t② tr♦r ♦s t♦ ♥r rts ♦♥ t ♥tr tr ♦ t ♥♦

r♦♣♥ ♠② ② s ♣♦str♦r s♠♣s s♥ t s♠ ♥t sts ♠♦

s r② ♥ t♥s♦♥ ❬❪ ♥ ♦♠♣r t rts ♦r ♠♥♥ t♦r②

t♦ t rq♥② ♦ s ♥ ♦r ♠♦r♥ ♥♦r♦♣♥ ♥s ♥s

♣♥s ss♥ ♥ r t② ♥ s♥♥t ♥t ♦rrt♦♥

t♥ rq♥② ♦ s ♥ rst♦♥ rt ② r t♦ ①♣♥

♦ t rt♦♥ ♥ t rts ♦ ♦t♦♥ t t♦ ♣s ♦ ♥♦r♠t♦♥

rq♥② ♦ ♦r s ♥ ♣rt ♦ s♣ r ♥♦♥ ♥♠r P ♥

❬❪ ♣♣② s♠r ♠t♦s t♦ t ♥t ♠②

♠r② t♥s♦♥ t ❬❪ s P t ❬❪s s♦tr

②sP②♦♥s t♦ trs ♦r t ♥♦r♦♣♥ ♥t ♥ str♦♥s♥

♥s ② ♦♥ tt ♠♦r ♥s ♦r ♦♥ ♣ts t ♠♦r

r♥♥ ♥ ♦♥ tt t♥ ♥ ♦ ♥ ♥

♣♣♥s ♥ ♣♥tt♦♥ rsts ♥ t♦ ♥s r t t

r♠♥r ♦ ♥ ♥ ♣♣♥♥ ♦♥t♥② tr♦ t♠ ❲ rst

ts ss ♥ ♣tr

r s♦ ♥ s♦♠ ♦rts t♦ tt ♦♥ts t♦♠t② rtr

t♥ ② s♥ t ♠♥ts ♦ ①♣rt ♥sts ❬② ♥ ♦♥r ❪

t ts r s st r② ♠ ♥r♦♣

s ♦♣♣♦s t♦ t s♦♥ s♥ ♥ ♠♥② ♦ t rts t ♦ tr

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s♦ s♠s t♦ t♥♥② ♠♦♥st s♦♠ ♥♦♥s♣st s♥tsts t♦ ♦♥sr

♣②♦♥t ♥②ss ♦ ♥st t s ♥ s② ♥ ♥ ♣r♦♠ ♥ t♦

♥♠r ♦ ♣t♦♥s t tt ♦r ♥♦ ♥st ♦r sttst r♦♥♥

r ♥ Ptr♦♥ ❬❪ ♥♦t tt t ♦♠♣rt ♠t♦ ♥ ♦♥②

♣♣ t♦ ♥s ♥ ①t♥s② st ② ♥sts ♥ t②

♠ tt t sst♦♥ ♥t♦ ♦♥t sss s t♦ stt②

s♦ ♦ tr t♥ r②♥ ♦♥ t ♠♥ts ♦ ♥sts t②

s t s♣♥s ♦ ♦rs ♦♥ t s st ♦r ♥♦r♦♣♥ ♥s

♦♠♣t t ♥st♥ st♥ t♥ ♣r ♦ ♦rs ♥ ♣♣② t

❯P♠t♦ t♦ t t t② ♦t t② ♦♣ t♦ ♣♣② t s♠ ♠t♦s

t♦ ss st ♥ ♠s ♥t♥t♦♥ s ♦♦ t tr ♠t♦♦♦②

s ♥♦rt♥t② ♥ t② r ♥ t ♥s s t

st r♥t ♣ts t② tr♥sr ts ♥s ♥t♦ t t♥

♣t r r ♠♥② ②s ♦ ♦♥ ts s♦ t ♦tt② t② r ♦♥

♦r s ♥r qst♦♥ ❯♥sr♣rs♥② t ♥s ♥ tr r♦♥strt

tr r r♦♣ ② ♣t ♥♥ s r♦♣ t t ♦tr ♥s

s♥ t t♥ ♣t ♣♦st♦♥ ♥♦ ♥st ♦ t♦

♦rrt rs r ♥ r♠♥♥ s ♣ts ♦ tr ♦♥ r

t ♦tr♦♣s r♠♥ t t ♥ ♥♦r♥♥ sr♦♣s r

♦rrt② r♦♥strt t t ts ♦ ts r♦♣s s r② r r♦♠ t

♥♦♥ ♥st trt t ♣♦st♦♥ ♦ ♥s ♥ P♦s ♥② tr

♦r♠ ♦r t♥ s s♠♣st rs ♦♥ ♦♥② t♦ ♥♦♥ ts t♦ ♠♥②

♦trs r ♥ t② ♦ ♥♦t ♥ tt♠♣t t♦ ♠sr t ♥rt♥t②

♦ tr rsts ♠t♦ ♦ ♣r♦② st② ♠♣r♦ ② r②♥ ♦♥

♣♦♥t tr♥sr♣t♦♥ rtr t♥ t s♣♥ ♦ t ♦rs ♥ tr t ♥

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② ♥♥ ♥♦♥♥r② st♥ s♦ tt s♠r ♣♦♥♠s r ♠ ♦sr

t♥ r② st♥t ♣♦♥♠s ♥ ♠ t ❬❪

♦rstr ♥ ♦t ❬❪ st② t ♥ ♦♠♥ ♥s t t②

r s t tr t ♦t♦♥ ♥ ♥ ♣rtr t t ♦♥②

♠♥ts tr t♥ s ♦♥② ♠♥ts ♠ ② ①♣rt ♥sts

t② r♦♣ t♦tr ♦rs ♦♦ s♦♠t s♠r ♥ t② r ♥♦♥

② ♥sts t♦ ♦♠ r♦♠ r♥t ♦r♥s ♥ s♣rt ♦tr ♦rs r

♥♦♥ t♦ ♦♥ts s ♥s t ❬❪ ♦r ♥ ①t♥s rts♠ ♦rstr

♥ ♦t ❬❪ t t ①♣♥s♦♥ ♦ t t♦ ± P ② ♥

s♥ ♥ r t♦ tr st ♦ t ♥ ♦♠♥ ♥s t②

st♠t t ♦ Pr♦t♦♥♦r♦♣♥ t ± P ♥ ♥r②♥

ss♠♣t♦♥ ♦ tr st♠t s tt r s ♥ ♦tr♦♣ ♦ t ♥♦r♦♣♥

♠② s r r♦♠ rt♥

t s ♦rt ♥♦t♥ tt ♥♦♥ ♦ ts ♦rs ♥♦r ♦rs tt♠♣ts t♦ s♦r

♥ ♥ ♠s tr ♥ st ♦ ♥s r② ♥♦♥ t♦

rt st♠t ts ♥tr♥ strtr ♥ ts

P②♦♥ts ♦r tr st♦r② ♥ ♥tr♦♣♦♦②

♥♠r ♦ tr s♣ts rs② ♥ ② s♠r t♦ ♥s ❬ ♥

♦♥ r♥ ♥ ②♠♥ s♦ t ❪ s s tr

♥ ♠♥② r♥t tt♠♣ts t♦ ♣♣② ♣②♦♥t ♠t♦s t♦ tr

t sts s sst ② P ❬❪ ♥ ♥r s♦tr ♦♣ ♦r

♦♦ t s ♥ s t♦t qst♦♥♥ t ss♠♣t♦♥s ♠ ②

t ♠♦s t s ♦t♥ r t♦ s② tt tr trts r ♦sr t♦ ♥st t♥

Page 22: Phylogenetic Models of Language Diversification...between Bengali, Persian, and 15 European languages, and noted that on the other hand, Chinese, Hebrew, Malay and urkishT have very

♦♦ trts s♦ s rsr ♦ rt② ♥t r♦♠ ♠♦r ♦♣

♥ ttr ♣③ s♦tr ♦r ♥st rst♦♥ ①♠♣s ♥

t sts ♦♥ P♦♥♥ ♣♦♥ts ❬r♥ t ❪ r♦♣♥ ♥♦t

♣♦ttr② ❬♦r ♥ ♥♥♥ ❪ t ♠r♥ sts ❬♦r♥ ♥

♥♥♥ ❪ ♥ st r♥ ♥s♣ ♥ ♠rr trt♦♥s ❬r

t ❪ t♦♥ ❬❪ ①♠♥s r♥s ♥ ②s ♦ rt♥ ♥r

♦♥ ♣♦ttr② t♦ r♦♥strt t st♦r② ♦ t ♥

tr ♦t♦♥ ♥ rr t♦ ♥②s t s r ♦ t♦ s♣t

♥st t ♥t♦ st ♦ trts ♥♥ s st ♦ trts ♥ s②st♠t

♥ ♥s ② ♦r tr t s ♥♦t s s② ♥♦tr ss s tt ♦

t①♦♥ ♦♥strt♦♥ s t sr t♦ tr t♦ ♥♠s r ♠♠rs ♦

t s♠ s♣s t♥ t♦ tr t♦ ♣♦♣ s♣ t♦ r♥ts ♦ t

s♠ ♥ ♦r t♦ st♥t t ♦s② rt ♥s t s ♥ rr

t♦ ♥ t ♦♥sttts s♥ ♥ tr ♦ tr ♦t♦♥ ❬r♥

t ❪

r② t ❬❪ sst tr♠♥s♦♥ s♣ t♦ ♣ ♦♦s tr

tsts tr ♠♦ ♦ st st ② ♣r♦♣♦s t♦ ♦♦ ♦r tr

trts ♠♥♠③ t rt ♦ ♥ ♥ rt tr♥s♠ss♦♥ ♥ t rt

♦ ♦r③♦♥t tr♥s♠ss♦♥ ♥ ♠①♠③ t ①t♥t t♦ r♥t

s♣ts ♦ tr r ♦♣ t♦tr t t ♠t♦s t♦ ♠sr ts

rtrsts r s♦♠t ♥r

r s s♦ ♥ ♥trst ♥ ♦♠♣r♥ ♦t♦♥r② trs ♦t♥ r♦♠

♥t t t t♦s tt ♦♠ ♦t ♦ ♥st ♦r tr t sts ❬♦♥s

❪ s ♥ ♦ rsr s ♥tt ② ♦r③ t ❬❪ ♦

♥♦r♣♦rt ♥t t r♦♠ ♣♦♣t♦♥s ♥ t ♦r ♥ ♥st

Page 23: Phylogenetic Models of Language Diversification...between Bengali, Persian, and 15 European languages, and noted that on the other hand, Chinese, Hebrew, Malay and urkishT have very

t r♦♠ ♥ ♠s ♥ ♠ t♦ ♥ ♦♥sr ♣rs♠

t♥ ♥t ♥ ♥st ♦t♦♥ ♦r t ♥st r♦♣♥s

t② s ♥ t s♣r♠s ♦ r♥r ❬❪ r ②

♦♥tr♦rs

♦♥ ♥ ❬❪ ss♠ tt ♥ trs r ♦♦ ♠♦ ♦

tr ♦t♦♥ s ♥ ♦rr t♦ tst tr s♣r ♦ tt s ♦rrt

t ♠tr♥② ♥ ♥t ♣♦♣t♦♥s t② ♣♦t trts ♦♥ ♦r ♠tr♥②

♦r ♣tr♥② ♥ ♦r ♣♦ssss♦♥ ♦ tt ♦♥ ♣②♦♥t tr ♦ ♥

rst♦♥ ss♠♥ tt t tr trts ♦ ♦♥ t s♠

tr t② s♦ tt ♠tr♥ s♦ts ♠ ♣tr♥ tr t② qr

♦♠st tt ♠r② ♦rt♥t♦ t ❬❪ s ♣②♦♥t tr ♦

♥♦r♦♣♥ ♥s sst ♦ t ②♥ t ❬❪ t st

♥②s ♥ tr ♣trs t♦ st♠t tt ♦r② s ② t♦ r② ①st ♥

t Pr♦t♦♥♦r♦♣♥ s♦t②

♣♥r t ❬❪ ♣r♦r♠ s♠t♦♥ st② r t tr tr s

♥♦♥ t② s♠t ♦♣②♥ ♦ ♠♥sr♣ts ② s♥ ♠♦r♥ srs

t♦ ♦♣② ♣♦♠ r♦♠ ♣r♦s ♦♣② ② s ♦r ♦♥♥

♥ ♠①♠♠ ♣rs♠♦♥② t♦ r♦♥strt t ♦t♦♥r② tr ♦t ♠t♦s

② rsts r ♦s t♦ t tr tr s ♣♦st rsts r

s♥ s t♦♥ ♦ t ♦r ② rr♦♦ t ❬❪ ♦ ♣♣② ♥

♥s♦s ♣②♦♥t ♠t♦ ♣rs♠② ♠①♠♠ ♣rs♠♦♥② t♦ r♦s

♠♥sr♣ts ♦ ❲ ♦ ts Pr♦♦ r♦♠ ♥trr② s ♥

s♦ tt s♦♠ ♠♥sr♣ts ♥ ♥♦r ② s♦rs r t②

♥ ♠tr♥ s♦t② r♦♣ ♠♠rs♣ s ♥rt r♦♠ ♥ ♥s ♠♦trrtr t♥ r♦♠ tr tr

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t ♦sst t♦ rs ♦r♥ ♣♥r t ❬❪ s♦ ♠①♠♠

♣rs♠♦♥② tr s♥ t ♦rr ♥ t ♥trr② s r rtt♥ ♥

sst ♦ t ♠♥sr♣ts

❲ tr s ♦t ♦ ♥trst ♦r ♣♣②♥ ♣②♦♥t ♠t♦s t♦

♥st ♥ tr t tr r sr♣rs♥② ♠♦s s♣②

t♦r t♦ ts ♠♥♥ tt ♠♦st ♦ t rsr s ♦♥t s♥ ♠♦s

♦rr♦ r♦♠ ♦♦② s rt♥② r♦ t st♠ts s♥

♠♦s ♥ s♣ts ♦ ♥ ♥ ♦ ♠♦r r

♥ ss ♣r♦♥ t♦ rsst♥ ② ♥sts

♥ ts tss ♦s ♦♥ tr ♠♦ ♦r ① t

st♦st ♦♦ ♠♦ tr ♦♦ ❬❪ ♦ rst ♣r♦♣♦s ♠♦ r

t ♦ss ♦ trt s rrrs ♦♥ s♣s s ♦st trt t ♥♥♦t

r♦ tt s♠ trt s ♣r♥♣ tr ♦♦s s t♦t

t♦ ♠♦st ♥rs ♦r ♦♠♣① ♠♦r♣♦♦ trts ♥ ♦♦② t♦

①♣t♦♥s ♥ ♦♥ ❬P ❪ ♥ t ♠♦ sr ♥ ♣tr

trt ♥ ♦♥② ♦r♥ ♦♥ ♦♥ tr ♥ ♦tr ♦rs trt s s♣②

t t♦ s ♦ t tr ts t♦ ♥st♥s ♦ t trt ♠st ♦♠♦♦♦s

ts ♦rrs♣♦♥s t♦ ♦ ①♣t ① ♥ t♦ ♦r s ♠♦ s

s♠r t♦ ♠♦s ♦♣ ♦r ♦♦ trt t ② s♦♥ ♥ t ❬❪

♥ s②♥♦ t ❬❪ ♥ t ♠♥♦r st♠♥ts ♦r ♠♦ ♦

♣r♦② ♣♣ t♦ rt♥ ♦♦ t sts

♥t ♠♣r♦♠♥ts ♥ ♦♠♣tt♦♥ ♣♦r ♦ ②s♥

♥r♥ t♦ ♦♠ ♣r♠♥♥t ♥ ♣②♦♥ts ♦♦♥ ❨♥ ♥ ♥♥

❬❪ ♥ ♣rtr ♠♥② t♥qs ♦r st♠t♦♥ r♦ ♥

♦♥t r♦ ♥ ♦♣ ❬rt ♥ ♠♦♥ ❪ ♥ ♦r ♦♥t①t

Page 25: Phylogenetic Models of Language Diversification...between Bengali, Persian, and 15 European languages, and noted that on the other hand, Chinese, Hebrew, Malay and urkishT have very

②s♥ ♥r♥ ♣rs♥ts t♦ ♠♥ ♥ts rst t ♦s s t♦ st♠t

♥rt♥ts ♥ ♥tr ② ♦♥ t ♦s s t♦ ①♣t ♦r ♣r♦r s

♦♥ ② ♣r♠trs ♥ r ♠♦st② ♥trst ♥ t♥ t r♦♦t ♦ t

♥♦r♦♣♥ ♠② sr ♥ ♣tr ♦ t♦ ♠♣♦s ♥♦r♠ ♣r♦r

♦♥ ts sttst

sss ♦ t♥ ♦♥ ♣②♦♥t trs ♥ rsr ①t♥s② ♦r

♠♦r ♣②♦♥ts ♦r♥ t ❬❪ st② ♠♦ ♦ ♦t♦♥ ♦

t rt ♦ ♠♦r ♦t♦♥ ♥ ♣r♦♣♦s ♠t♦s t♦ st♠t ts ♦♥

♣②♦♥t tr ♥ t ②♣♦tss ♦ ♦♥st♥t ♠♦r ♦ ♦s ♥♦t

♦ ♦r♥ ♥ s♥♦ ❬❪ st② t tt♦♥ ♦ ♦rrt♦♥s ♥ t

♦t♦♥ ♦ rts ❨♥ ♥ ♥♥ ❬❪ ①♠♥ sss t rt♦♥

t s♣② t ♥♥ ♦ s♦t ♦♥s ♦ t s♦r

♥♦♥ ♥str ♥♦s t♦ ♦ts ♦ ♦♥str♥t ♥♥ ♥ ❨♥ ❬❪

♥ ♥♦ t ❬❪ sss t ♠♣t ♦ t ♣r♦r ♥ ♦ t s③ ♦ t t

♦♥ t ♥rt♥t② ♥ ♣♦str♦r st♠ts ♦ ts rsr s r♥t t♦

♣②♦♥t t♥ qst♦♥s ♥ ♥sts

♦♠ ♥sts r② ♠r t ♦ ♣♣②♥ ♣②♦♥t

♠t♦s t♦ ♥st t ❬t ❪ t ♦trs r r② ♦♣♣♦s t♦

t ♦♥♣t ❬♦♠ rrs ❪ ♦ts tt ♥ ①♣rss

♥♦t ♥ t ② rts ♥♦r ♥st t ♦r ①♠♣

❬♥s t ❪ rt③ ♦rstr ♥ ♦t ❬❪ qt str♥② t s♦

♥t tt ts ♠t♦♦♦② s t♠ t♦ r② ♦ ♠♥② ♦tr

♣②♦♥t ♥②ss ♦ ♥st t ♥♥ ♥②ss ♦ ♥♦t

s ♦♦s s s ♦ t ♦tt♦r♦♥♦♦② s♦ t♥ ♠t♦s

r ♠t t ♥ ♠♦r s♣ts♠ ❬♦♥ ♥ ♦♥ ❪ s s

Page 26: Phylogenetic Models of Language Diversification...between Bengali, Persian, and 15 European languages, and noted that on the other hand, Chinese, Hebrew, Malay and urkishT have very

♣rtr tt♥t♦♥ ♠st ♥ t♦ t t♦♥ ♦ t ♠t♦s t

♠♥ ♥ ❬❪ ♦♥♥♥ r ♣rts ♦ ts tss

♦s ♦♥ s ♦♥♥♥

♥ ♣tr ♣rs♥t ♠♦ t♦r t♦ ① ♥ ❲ ts

♦♥ ♦ ♠♣♠♥t t t ♦ t ♠♦ ♥ ♣tr ❲ ♣r♦ ♥♠r

♦ t♦♥ s ♥ ♣tr ♥ ♥②s t♦ t sts ♦ ♥♦r♦♣♥

♥s ♥ ♣tr ♥ ♣tr sss ♦tr ♣♦ss ♣♣t♦♥s

♦ ♦r ♠t♦s

Page 27: Phylogenetic Models of Language Diversification...between Bengali, Persian, and 15 European languages, and noted that on the other hand, Chinese, Hebrew, Malay and urkishT have very

♣tr

sr♣t♦♥ ♦ t t ♥ ♦ t

♠♦

sr♣t♦♥ ♦ t t

r ♥t ♦s s ♦♥ t♦ t sts ♦ ♦r② ♦r ♥♦r♦♣♥ ♥s

♦♥ ♦t ② ♥ t ❬❪ ♥ t ♦tr ② ②♥ t ❬❪ ♥

t ❬❪ ♦t t r♦♠ ♠♥♥ t♦rs ♦r ♠♦st② ♥♥t

♥s ♥ ♦ t t ♥ ♦♠♦♦② sss ②♥ t ❬❪

♦t t ♦r ♠♦r♥ ♥s ♥ ♠♥♥ t♦rs r② ♥

t♥s♦♥ ❬❪ ♥♥t ♥s ttt ♦r♥ ♥ ♦r♥

t♦ t st r♥♥ t ♣ t♦ ♥s ♥ ♦♠♦♦② sss r

s tt ♦r♣ t♥ t sts ♦ ♥s ♥ t t♦ t sts

♦t tsts ♦r t ♦r ♦r② ♠♥♥s s s ♥♠

ss ♦♠♣t st s ♥ ♥ ♣♣♥① s ♠♥♥ t♦rs

r ♥ ♥ ♥ ♥ r ①♣t t♦ ①st ♥ ♥s ①♣rt

Page 28: Phylogenetic Models of Language Diversification...between Bengali, Persian, and 15 European languages, and noted that on the other hand, Chinese, Hebrew, Malay and urkishT have very

♥sts sts ♦rs sr ♦♠♠♦♥ ♥st♦r ♦ ♦rs ♥ t

s♠ ♠♥♥ t♦r② ♥ s♦♥ t♦ s♥ r♦♠ ♦♠♠♦♥

♥st♦r tr♦ s②st♠t ♣♦♥♦♦ ♥s r ♦♥ts s

q♥ rt♦♥s♣ sss ♦rs ♥t♦ ♦♥② sss ♦r ①♠♣

♦r t ♠♥♥ t t♥ tst ♥ t r♥ têt ♦♥ t♦ t

s♠ ♦♥② ss t ♥s ♥ t s ♦♥

t♦ ♥♦tr ♦♥② ss ♥ ♠♥t ♦ ♦♥② ss s ts ♦r ♥

♣rtr ♥ ♦r② ♦ s♥ ♥ s r♣rs♥t s

st ♦ st♥t ♦♥ts ♥ s♦♠ ss ♦♥② sss ♥ r② r t♦

tt t♦ t ♠♦♥t ♦ ♣♦♥t ♥s

tr r N st♥t ♦♥② sss ♥ t ♦r L ♥s t♥ t

at ss Ma ⊆ 1, 2, ..., L s st ♦ t ♥s ♦ ♥s ♣♦ssss

♦♥t ♥ tt ss t r ♦t♥ ♦ s ♥r② ♠tr① D r♦

♦rrs♣♦♥s t♦ ♥ ♥ ♦♠♥ t♦ ♦♥② ss s♦ tt Di,a = 1

t at ♦♥② ss s ♥ ♥st♥ ♥ t it ♥ ♥ Di,a = 0

♦trs ♦r ♥ ①♠♣ s ♦♥ ♦s ♥ t♦

sr ♦rs ♦r ♦♥ ♠♥♥ s s r♠♥ strt ♥

t♦t ♦r s ♥ ♥st♥ ♦ ♣♦②♠♦r♣s♠ ♦r ♥♦ ♦r t s

t♦♥ ♦r sss♦♥ ♦ sss ts rss ss♥ ♠tr① ♠♥ts

♠♦st② rs s t r♦♥strt ♦rs ♦ s♦♠ ♥♥t ♥s

r ♥♦♠♣t ♦r s♦♠ ♠♦r♥ ♥s s♠ ♠♦♥ts ♦ t r s♦

♠ss♥ ts ♠② s t ♥sts r ♥sr s t♦ tr ♦r

♦♥s t♦ ♦♥t ss r ♥ t♦ ♥sr t qst♦♥ ♦s

♦r ♥st♥ t ♥s ♥ t r κυκλoς ♥ ② r ♦♥t ♦t♦♠ r♦♠ t Pr♦t♦♥♦r♦♣♥ ♦r r♦♥strt s ♦s t ts s rt♥②♥♦t ♦♦s t♦ t ♥tr♥ ♦srr

Page 29: Phylogenetic Models of Language Diversification...between Bengali, Persian, and 15 European languages, and noted that on the other hand, Chinese, Hebrew, Malay and urkishT have very

♥s strþ r♠♥ strt t♦t

st♥ ♠rt r ♦♥ ♠rt

t♥ ♠♦rtrs♥

♥s r♠♥

st♥ r ♦♥

t♥ s♥

(a) (b)

♥ ①♠♣ ♦ t ♦♥ t ♦r s ♥ s①♥♥t ♥♦r♦♣♥ ♥s t ♦♥ ♦ ts t s ♥r②♠tr① t s ♦r ♠ss♥ t rst ♦♥② ss s M ∈ Ω t Ω = ♥s r♠♥, ♥s r♠♥ s♥

♥ i ♣♦ssss ♦♥t ♥ ♦♥② ss a t♥ st Di,a =?

❲ ♥ ♥♦tt♦♥ ♦r ♦t ♠tr① ♥ st r♣rs♥tt♦♥s t ♠ss♥

t ♥♦t ② Ba ♦♠♥ a ♦ L × N ♠tr① B ♦r a = 1, 2, ..., N t Da

t st ♦ ♦♠♥ t♦rs d∗ ♦ ② t t Da ♥ ♦♠♥ a ♦ D

Da =

d∗ ∈ 0, 1L : Di,a ∈ 0, 1 ⇒ d∗a = Di,a, i = 1, 2, ..., L

.

♦r d∗ ∈ Da t m(d∗) = i : d∗i = 1 ♥♦t ② Ωa t st ♦ ♦♥② sss

♦♥sst♥t t t t Da s♦ tt

Ωa = ω ⊆ 1, 2, . . . , N : ω = m(d∗), d∗ ∈ Da.

t D r t♥ q♥t② Ω = (Ω1, Ω2, ..., ΩN) Ωa♥♦tt♦♥

♥r③s t Ma♥♦tt♦♥ t♦ ♥ ♠ss♥ t

♥ t ❬❪ st ♠♦st② ♥♥t ♥s ♦r ♦ ts

♥s t♥ ♦r♥ t♥ ♦rs t t r ♥♦♥ ♦r

Page 30: Phylogenetic Models of Language Diversification...between Bengali, Persian, and 15 European languages, and noted that on the other hand, Chinese, Hebrew, Malay and urkishT have very

t ♦trs t ♣r♦♣♦rt♦♥ ♦ ♠ss♥ ♥trs rs t♥ ♦r rs

♥ ♦r ②♥ ♥ ♥♥t ♥ ♦ ♥t♦ t ♥s

st ② ②♥ t ❬❪ ♥♦ ♠ss♥ t ♦st ♦tr ♥s

r② ♠ss♥ t ♣♦♥ts t ♣r♦♣♦rt♦♥ ♦ ♠ss♥ ♥trs rs

t♥ ♦r ♦♥♥ ♥ ♦r ♦r♥

♦t tt t r s② ♠ss♥ ♥ s♠ ♦s ♦rrs♣♦♥♥ t♦ t

♦♥② sss ♦r ♥ ♠♥♥ t♦r② s ♥ ❲ ♦ ♥♦t ♠♦

ts s♣t ♦ t ♠ss♥ t s s rt t♦ t ♠♦rr♦r ♦s ♥

r② ❬❪ ❵t ♠♣t② ♣♣r♦①♠t♦♥ ♥r ♦♥② sss

♥ t s♠ ♠♥♥ t♦r② r ss♠ t♦ ♦ ♥♣♥♥t② t♦♥

♦r ♥ ♥②ss ♦ ♣♦ss s②st♠t s ts ♦ ♥t

r s sst♦♥ ♦ t t ② ♥ t ❬❪ rstrt

t♦ ♠♥♥ t♦rs sts t ♦r ♥s r♦ss ♦♥②

sss r r ♦s r r♦s ♥ r ♦rrs♣♦♥♥ t♦

♦♥② sss ♥ ♦ r♦ ♦rrs♣♦♥s t♦ ♥ ♥ ♦♠♥ t♦

♦♥② ss s♠ sqr ♦rrs♣♦♥s t♦ ♥ t t t

sqr ♦rrs♣♦♥s t♦ ♥ t t ♥ r② sqr ♦rrs♣♦♥s t♦

s r s♦s ♦ t trs ♦ t t ♠♦st ♦ t t r s

♠♦st ♦♥② sss r ♦♥② s♣② t r② s♠ ♥♠r ♦ ♥s

♦r t ♣♣r t ♠♦st ♥s ♥ t r ♠ss♥ ♥

♦s

t s s♦ ♦rt ♥♦t♥ tt r t rst t♦ ♣r♦♣♦s ♠♦ t♦r

t♦ ♥ rst♦♥ ♦rrt② ♥s ♠ss♥ t ♥ ♣r♦s

rsr ♠ss♥ t r ♥r② ss♠ t♦ s♥t s r r♣

t s ♦s ♥ r② ❬❪ s♦ t♦ sr ♥s r♦♠ tr

Page 31: Phylogenetic Models of Language Diversification...between Bengali, Persian, and 15 European languages, and noted that on the other hand, Chinese, Hebrew, Malay and urkishT have very

r ❱s③t♦♥ ♦ t ♥ t ❬❪ t ♦r ♥ ♥r♦ ♦♥② ss ♦♠♥ ♥ ♣rs♥t s♥t t ♦r tt ♣♦♥t ♥ ♠ss♥ r②

Page 32: Phylogenetic Models of Language Diversification...between Bengali, Persian, and 15 European languages, and noted that on the other hand, Chinese, Hebrew, Malay and urkishT have very

st② s t② ♦♥t♥ t♦♦ ♠♥② ♠ss♥ t rs r t♦

♥ ♥s ♥ ♦r ♥②ss r ♥sts ①♣rss rrt

t t ♦ ♦rrt ♥♥ ♦ ♠ss♥ t ♥♥ t♦♥ ❬❪ ♥

♥♥ ♣rs ♦♠♠

♦r ts ♥♦r♦♣♥ ♣②♦♥s s♦♠ strs r ♥♦♥ ♦r

①♠♣ t t ♥s r ♥♦♥ t♦ ♦r♠ str ♥ t② r ♥♦♥

t♦ r tr t ♦ ♥ ❬r② t ❪ ♠r②

s♦♠ ♥♦ ♦ t ts t ♥str ♥s r s♣♦♥

ts t t ♦r♠ ♦ ♦r ♥ ♥ ♣♣r ♦♥ ♦♥ t str r♦♦t ❲

s♦ ♦♥str♥ts ♦♥ t ♦ ♥♦♥♦♥t♠♣♦rr② s s♥ ♥♦

♥ ts ①t♥t ♥s r ♥ s ♦♥s r s t♦ rt

♠♦ ♣r♠trs ♥ t♦ ♥r ts ♦r ♦tr ♥♦s sts t

♦♥str♥ts s ♥ ♦r ♥②ss ♦ t ②♥ t ❬❪ t ♠♣♥

t♦ ♦r rsts r s s♠♣ r♦♠ t ♣♦str♦r strt♦♥

♥ ♦r ♣②♦♥s ♥ ♦r ♥②ss ♦ t ♥ t ❬❪ t rt♦♥

♦♥str♥ts r r♣rs♥t ② t rs r♦ss ♥♦s ♥ ts tr

♦ sr♣t♦♥

❲ s♣② st ♣r♦r ♦r ♣②♦♥s r♣rs♥t♥ stt ♦ ♥♦

♦ ♥trst t♦ s ❲ ♠♦ ♦r② rst♦♥ ♦♥ ♥ ♦t♦♥r②

tr r r♣rs♥ts ♥ ♥ ♦r t

♠tr ♥ ts sst♦♥ ♦♦s ♦s ♥ r② ❬❪ t

sr ①t♥s♦♥s tstr♦♣ rt tr♦♥t② ♦rrt ♥♥

♦ ♠ss♥ t ♥ ♠♦r rstrt♦♥ ♣r♦sss

Page 33: Phylogenetic Models of Language Diversification...between Bengali, Persian, and 15 European languages, and noted that on the other hand, Chinese, Hebrew, Malay and urkishT have very

♥ ① t ∞

r②t♦♥ t

r♥r♥ r♠♥ t♦

∞♥ ∞

♥♦r♥♥ ∞r♥♥ ∞r ∞

♦r ttt

♦r♥ ♦r♥

♦♥str♥ts ♦r t ②♥ t ❬❪ t st rst s ②r② ♥ t♥s♦♥ ❬❪ rst t r♦s r s ♦r ♥♦ ♦t t ♦ t r♦♦t t st tr r ♥♥t ♥s ♦r ♥♦ ♥ t② ①st

Page 34: Phylogenetic Models of Language Diversification...between Bengali, Persian, and 15 European languages, and noted that on the other hand, Chinese, Hebrew, Malay and urkishT have very

r s♠♣ ♦s t♦ t ♠①♠♠ ♦ t ♣♦str♦r ♦r t ♥②ss ♦t ♥ t ❬❪ t t ♦♥str♥ts ♦♥ t ♥♦ s r s♦♥ ♦♥str♥ts ♦r t t ♥♦r♥♥ ♥ r♥♥ r♦♣s ♦ ♥♦t ♥ ♣♣r ♦♥ ts s ♥♦t ② t s♥ ♦ t ♦♥ t s ♦ t♦♥

Page 35: Phylogenetic Models of Language Diversification...between Bengali, Persian, and 15 European languages, and noted that on the other hand, Chinese, Hebrew, Malay and urkishT have very

Pr♦r strt♦♥ ♦♥ trs

t g r♦♦t tr t 2L ♥♦s L s L−2 ♥tr♥ ♥♦s r♦♦t ♥♦

r = 2L−1 ♥ ♥ ♠ ♥♦ A = 2L s ♥ t♦ r ② ♦ ♥♥t

♥t ♥♦ i = 1, 2, . . . , 2L s ss♥ ♥ ti ♥ t = (t1, t2, ..., tA)

t ♥ts ♦ r ②rs ♦r t ♣rs♥t ♦r t ♠ ♥♦ tA = +∞

t♥ ♣r♥t ♥♦ j ♥ ♥♦ i s rt r♥ 〈i, j〉

♦ t ♣②♦♥② t t ♦rr♥ ti < tj t E t st ♦ s

♥♥ t 〈r, A〉 t V t st ♦ ♥♦s ♥ t VL = 1, 2, ..., L

t st ♦ ♥♦s

❲ r ♥t② ♥trst ♥ t st Γ ♦ r♦♦t rt ♥r② trs

g = (E, V, t) t st♥s s i = 1, 2, . . . , L ❲t ts ♥♦tt♦♥

(E, V ) s t t♦♣♦♦② ♦ r♦♦t rt ♥r② tr t σ(t) t ♦rr

♦ t ♥tr♥ s ti ♦r i = L+1, . . . , 2L− 2 ♥ t tr♣t (E, V, σ(t)) s

t st♦r② ♦ t tr ♥ ♥r sr st♦rs ♦rrs♣♦♥

t♦ ♦♥ t♦♣♦♦②

❲ rstrt t st ♦ ♦ trs Γ ② ♠♣♦s♥ C rt♦♥

♦♥str♥ts ♦♥ t t♦♣♦♦② ♥ ♦♥ rt♥ ♥♦ s s r sr

t t ♥ ♦ t♦♥ ♦♥str♥t c rstrts Γ t♦ t st ♦ trs Γ(c)

♥ rt♥ st ♦ s ♦r♠ str ♦r ♦♠ ♦♥str♥ts

s♦ ♠♣♦s ♦r ♥♦r ♣♣r ♦♥ ♦ t r♦♦t ♦ t ♥ s♦♠

ss t ♠♣♦s ♦♥t♥s ♦♥② ♦♥ s♦ tt t ♦♥str♥t s ♦♥②

♠♣♦s♥ r♥ ♦♥ t ♦ t ts s s ♦r ♥♥t ♥s ❲

t♦ ts ♦♥str♥ts ♥ ♣♣r ♦♥ ♦♥ t r♦♦t t♠ t s♦♠ T > 0

♥ ♠♦st ♦ ♦r ♥②ss ♦ ♥♦r♦♣♥ t s T = 16, 000 s

Page 36: Phylogenetic Models of Language Diversification...between Bengali, Persian, and 15 European languages, and noted that on the other hand, Chinese, Hebrew, Malay and urkishT have very

♠ rtr t♥ ♥② ♣♦ss r♦♦t ♦♥sr ♣s ② ♥sts t

Γ(0) = (E, V, t) ∈ Γ : tr ≤ T s♣ ♦ rt ♣②♦♥s s t♥

ΓC =C⋂

c=0

Γ(c).

♥ r ♥trst ♥ t r♦♦t ♦♦s ♣r♦r ♦♥ trs ♦r

t ♠r♥ ♣r♦r ♦♥ t r♦♦t tr s ♥♦r♠ ♦r ♥ ♥tr tL ≤ tr ≤ T

♥♦r♠ ♣r♦r ♦♥ Γ ♣ts ♠♦r t ♦♥ rtr s ♦ tr s

i r s♦r♦♥♦s t ti = 0 ♥ tr r ♥♦ rt♦♥ ♦♥str♥ts t♥

♦s ♥ r② ❬❪ s♦ tt t ♣r♦r f(g|T ) ∝ t2−Lr Itr≤T s t sr

♥♦r♠ ♠r♥ ♣r♦r ♦♥ tr ♦r t ♥s♦♥ ♦ rt♦♥ ♦♥str♥ts

♦♠♣ts ♠ttrs

♦r ♥♦ i ∈ V t t+i = supg∈ΓC ti ♥ t−i = infg∈ΓC ti t rtst ♥

st ♠ss s ♦r ♥♦ i ♥ t S = i ∈ V : t+i = T s♦ tt S s

t st ♦ ♥♦s ♥ s ♥♦t ♦♥ ♦ ② rt♦♥ tr r

s ♥♦s ♥ r ♦r ①♠♣ t ♠♦st r♥t ♦♠♠♦♥ ♥st♦r t♦

t♥ ❯♠r♥ ♥ s♥ ♦s ♥ r② ❬❪ s♦ t s♠t♦♥

sts tt t ♣r♦r ♣r♦t② strt♦♥ t ♥st②

fG(g|T ) ∝∏

i∈S

(tr − t−i )−1

s ♠r♥ ♥st② ♦r tr s ♣♣r♦①♠t② ♥♦r♠ ♥ tL < tr <

T ♥ t♦♥ T ≫ maxi∈V \S t+i s s t ♣r♦r s ♦s ♥

r② ❬❪ ♦ ♥♦t ♦♠♠♥t ♦♥ t strt♦♥ tr♠♥ ② fG ♦r tr

Page 37: Phylogenetic Models of Language Diversification...between Bengali, Persian, and 15 European languages, and noted that on the other hand, Chinese, Hebrew, Malay and urkishT have very

t♦♣♦♦s ❲ ♦♥sr t♦ ♣r♦rs ♦♥ t♦♣♦♦s ♥♦r♠ strt♦♥ ♦♥

st♦rs ♦rrs♣♦♥♥ t♦ t strt♦♥ ♦r t ❨ ❬❪ ♠♦

♦rs ♥ t♦♣♦♦s ❬❱s♦ ❪ ♥ ♥♦r♠ strt♦♥ ♦♥

t♦♣♦♦s ♦rs s♠ ♥ r s ♥st ♠♠s③ s

❬♦♦♦ ♥ P♦ ❪ ♥ ♦t ss t ♠r♥ ♣r♦r s ♥ ♦r Γ

rtr t♥ ΓC t♦♥ ♦ ♦♥str♥ts ♠♦s ts ♣r♦r ♥ t♦ ②s

t♦♣♦♦ ♦♥str♥ts r ♦t rt♥ t♦♣♦♦s stt♥ t ♣r♦r ♣r♦t②

t♦ ♦♥str♥ts ♠♦② t ♦♠ t♦ t♦♣♦♦② s♦ tt

♦r ♣r♦rs r ♥ t ♥♦t ①t② ♥♦r♠ ♦r st♦rs ♦r t♦♣♦♦s

♦r ΓC ♦r t t♦♥ ♥②ss ♣rs♥t ♥ ♣tr s ♦♥② t

♥♦r♠ ♣r♦r ♦♥ st♦rs s ♦t ♣r♦rs ♦r ♦r ♥②ss ♦ r

t ♣rs♥t ♥ ♣tr

t♦♥ ♦ tstr♦♣s sr ♥ t♦♥ s ♥♦ ♠♣t ♦♥

t ♠r♥ ♣r♦r ♥st② ♦r tr ♥♦r ♦♥ t ♠r♥ ♣r♦r strt♦♥ ♦♥

t♦♣♦♦s r s♦s s♠♣ r♦♠ t ♣r♦r ♦ t r♦♦t t t

♦♥str♥ts r♦♠ t ♥ t ❬❪ t ♣r♦r s r♦② ♥♦r♠

t♥ ♥ P ♦rs ♦r r♦♥ ♦ ♥trst t ♣r♦r ♦s

♥♦t ♦rrs♣♦♥ t♦ ♥② rs♦♥ ♣r♦r ♦r P t ts ♦s

♥♦t ♠ttr s♥ ts r♦♥ s r ♦t ② t ♦♦

♣r♦r ♦♥ t s ♦ ♥tr♥ ♥♦s ♥ s ♣♥s ♦♥ t

♦♥str♥ts ♦r ①♠♣ t ♦r♥ t s ♦♥str♥ t♦

t♥ ♥ P ♥ ts ♣r♥t t ♦♠♠♦♥ ♥st♦r t

♦r♥ s ♦♥str♥ t♦ t♥ ♥ P rst ♦

t tr ①rts tt ♥♥ ♦♥ t ♣r♦r ♦♥ t ♦ ♦r♥ ♥ s♦

tt ♣r♦r s ♣♣r♦①♠t② ♥♦r♠ ♦r t ♦ r♥ s s♦♥ ② t

Page 38: Phylogenetic Models of Language Diversification...between Bengali, Persian, and 15 European languages, and noted that on the other hand, Chinese, Hebrew, Malay and urkishT have very

r ♠♣ r♦♠ t ♣r♦r strt♦♥ ♦♥ t r♦♦t ♣r♦r s♣♣r♦①♠t② t ♦r t r♦♥ ♦ ♥trst t♥ ♥ P

s♠♣ r♦♠ t ♣r♦r ♥ r ♦r ♦tr ♥♦s r ♦♥str♥

t♦ t♥ ♥ ♣♣r ♥ ♦r ♦♥ t ♣r♦r s ♥♦t ♥ssr② ①t②

♥♦r♠ t s♠t♦♥s r♦♠ t ♣r♦r s♦ tt t s ②s r② ♦s t♦

♥♦r♠ ♣rs♠② s t t♦r③ r♥ s ②s qt s♠ s

s ♥♦t tr ♦r ♦ ♥♦s ♥♦ ♣♣r ♦♥ ♦♥ t r

s♦s s♠♣ r♦♠ t ♣r♦r ♦r t ♠♦st r♥t ♦♠♠♦♥ ♥st♦r t♦ t

t ♥s s ♦♥② ♦♥str♥ t♦ ♦r t♥ P ♣r♦r

s str♦♥② s t♦rs ②♦♥r s s ♥sr♣rs♥ s♥ ②♦♥r

s ♠♦r ♦♠ ♦r t ♥♦s ♦ t t ♥

♥r r ♥♦t ♥trst ♥ t♥ ♥tr♥ ♥♦s s♦ ts s ♥♦t ♥ ss

♠r♥ ♣r♦r ♦♥ t ♦ ts ♥♦ s ♥ t ♦♠♣r t♦ ♣r♦rs

♦t♥ s♥ s♦t ♦♥s ♥ ♠♦r ♣②♦♥ts ❨♥ ♥ ♥♥

❬❪ ❲ ♥♦ rtr ♥♦r♠t♦♥ ♦♥ t ♣r♦r ♥sts ♦♥

t strt♦♥ ♦ ♣s s ♦r ♥♥t ♥♦s r t ♦ ♥trst♥

Page 39: Phylogenetic Models of Language Diversification...between Bengali, Persian, and 15 European languages, and noted that on the other hand, Chinese, Hebrew, Malay and urkishT have very

1250 1300 1350 1400 1450 15000

10

20

30

40

50

60

70

80

90

r ♠♣ r♦♠ t ♣r♦r strt♦♥ ♦♥ ♦r♥

t♦ ♥ t s ♥♦r♠t♦♥ ♠

rst♦♥ ♦ ♦♥② sss

♥ ts sst♦♥ ①t♥ t st♦st ♦♦ ♠♦ ♦ ♦s ♥ r②

❬❪ t♦ ♥♦r♣♦rt rt tr♦♥t② ♥ t♠ ♥ s♣ tstr♦♣

♣r♦ss

t♦ ts ♠♦ s ♦♣ t ♥s ♥ ♠♥ t ♥ s♦

♣♣ t♦ ♦tr ♥s ♦ trt t s s s♦♠ ♦ t t sts ♠♥t♦♥ ♥

t♦♥ ♦r t ♠♦r♣♦♦ t sts ♦ ♥♥r t ❬❪ s②♥♦

t ❬❪ ①t♥ ♦tr s♣ts ♦ t ♠♦ t♦ ♣♣t♦♥s ♥ ♥ts

♦♥② sss r ♦r♥ ♥ ♦♥ t tr s s♦♥ ♥ r

♦♥② ss s ♦r♥ ♥ ♥ ♦r ♣♣rs ♥ ♥ s ♦♥t

t ♥♦ ♦tr ♦r ♥ t ♣r♦ss rt ♥t ♦rs ♥ ♦♠♣t②

♥ ♦r ♣♣rs t s♦ ♥ ♦r s ♦rr♦ r♦♠ ♥ ♦ts

t st② ♦r ♥ ♥ ①st♥ ♦r ♥s ♠♥♥ ♦♥t s ♥

Page 40: Phylogenetic Models of Language Diversification...between Bengali, Persian, and 15 European languages, and noted that on the other hand, Chinese, Hebrew, Malay and urkishT have very

r ♠♣ r♦♠ t ♣r♦r strt♦♥ ♦♥ t ♦ t ♠♦st r♥t♦♠♠♦♥ ♥st♦r t♦ t t ♥s

♥ ♥ ♥ t s ♥♦ ♦♥r s ♦r t ♠♥♥ t s ss♥ t♦

t ♠② ♦♠♣t② s t♦ s ♦r t ♠② ♥ ♠♥♥

♦♥ts ♦♥ ♥ s♥ ♥ i.e. ♦♥ s♥ r♥ ♦

♥ ♣②♦♥② r ♦r♥ ♥♣♥♥t② t rt λ ♥♣♥♥t②

t ♣r ♣t rt µ ♥ r st t♦ ♣♦♥t tstr♦♣s t②

♥♦♥tr t rt ρ ♦♥ r♥ t tstr♦♣ ♦♥t s

♥♣♥♥t② t ♣r♦t② κ ♥ P♦ss♦♥ ♥♠r ♦ ♦♥ts t

♠♥ ν r ♦r♥ tstr♦♣ ♦rrs♣♦♥s t♦ rt ♥t ♠t

♦r ①♠♣ ♠rt♦♥ ♥ ♣♠ ♦r r rt♦♥ ♥ ♣♦♣t♦♥ s

t♦s sr ② ♥♥♥ ♥ ♥♦r♦ ❬❪ ♥ r♥② ♥ r♦♥

❬❪ t r♥♥ ♥t ♦ t ♣②♦♥② t st ♦ ♦♥ts r♣rs♥t♥

t r♥♥ ♦r② s ♦♣ ♥t♦ ♦ t tr ♥s

r

♣r♦ss sr s ♥♦t rrs ♥ ts rt② ♦♠♣ts

t ♥②ss ❲ s♦ ♥ t♦♥ tt ♥ssr② ♥ s♥t ♦♥t♦♥

Page 41: Phylogenetic Models of Language Diversification...between Bengali, Persian, and 15 European languages, and noted that on the other hand, Chinese, Hebrew, Malay and urkishT have very

1,2

−2

+12,13

−1

+9,10−8,9

+11

+14

−2

+6 −12

−12

+5−1

+3

−3

+8

+7

1

1,3,14

10,11

5

5

1,6,7,13

1,6,13

1,13

r sr♣t♦♥ ♦ t ♠♦ rts ♥ ts ♦ ♦♥② sss r♠r ♦ts ♦rrs♣♦♥ t♦ tstr♦♣s t ♠t♣ rts ♥ts ♠② ♦r s♠t♥♦s② ♦♥t sts ts ♥rts t s rs♦♥ ♦♥ t rt ♥r t♠ ♦s r♦♠ t t♦ rt ♥ t rsti ♥ t t①t ♥rs r♦♠ rt t♦ t r♦♦t s r♣rs♥t ② t sqr♦♥ t t

♦r t ♣r♦ss t♦ t♠rrs s ν = κλ/µ s s rs♦♥

♠♦♥ ss♠♣t♦♥ t ♥♥ ♣r♦ss t♦t tstr♦♣s s t♦

♥♠r ♦ ♦♥② sss t ♥② ♥ ♣♦♥t s P♦ss♦♥strt

t ♠♥ λ/µ t ν = κλ/µ t♥ t qr♠ t strt♦♥

♦ t ♥♠r ♦ ♦♥② sss s ♥♥ ② ♥ t tstr♦♣

♣r♦ss ❯♥r ts ♦♥t♦♥ ♥ tstr♦♣ t♦ ♥ s q♥t

qr♠ s ♥ r s♥ ♥ ♥♥t ♠♦♥t ♦ t♠ ♣ss ♦♥ t ♠r♦♦t

Page 42: Phylogenetic Models of Language Diversification...between Bengali, Persian, and 15 European languages, and noted that on the other hand, Chinese, Hebrew, Malay and urkishT have very

t♦ ♥t♥♥ tt ② TC(κ, µ) = − log(1 − κ)/µ ②rs s ♦♦s

s t ♥♠r ♦ ♦♥ts ♥rt ② t ♥♥ ♣rt ♦ t ♣r♦ss

♥ ♥ ♥tr ♦ ♥t TC s P♦ss♦♥ strt t ♠♥ λµ(1−e−µTC ) q

t♦ κλ/µ ♥ t ♣r♦t② tt ♦♥t ♥tr♥ ♥ ♥tr ♦ ♥t TC

s r♥ tt ♥tr s 1 − e−µTC qs κ

s tstr♦♣ s♠♣② ①t♥s ts ② ♦ ♦ rt t♠

t ♦♦ ♣♥s ♦♥② ♦♥ t ♥♠r ♦ tstr♦♣s ♦♥ ♥ ♥ ♥♦t

tr ♦t♦♥ ♥ t♠ t ki t ♥♠r ♦ tstr♦♣s ♦♥ 〈i, j〉 ♥

k = (k1, . . . , k2L−2) t tstr♦♣ stt t♦r ❲ r♦r ♥♦ tstr♦♣s

♦♥ t 〈r, A〉 ts ♥t s r② ♥♥t tr g = (V, E, t, k) s

s♣ ② ts t♦♣♦♦② ♥♦ s ♥ tstr♦♣ stt rt tr

s♣ ①t♥ ♦r tstr♦♣s s

ΓCK = (V, E, t, k) : (V, E, t) ∈ ΓC , k ∈ N

2L−20 .

❲ r♦♣ t tstr♦♣ ♣r♦ss r♦♠ t t♦♥ ♥ t♦♥ t s

strt♦rr t♦ rst♦r t ♥ ♦ ts ♥ t ①♣rss♦♥ ♦r t ♣♦str♦r

strt♦♥ ♥ t♦♥

rstrt♦♥ ♣r♦ss

❲♥ ♥sts ♦t ① t s♦♠ t r ♠ss♥ ♦r r ♦trs

sr tr♦ t rstrt♦♥ ♣r♦ss sr ♥ ts st♦♥

t i t ♣♦♥t s ♠ss♥ t ♣r♦t② ξi ss♠ ts

♣r♦t② ♣♥s ♦♥② ♦♥ t ♥ i ♥ ♥♦t ♦♥ t ♦♥② ss t

r s② ♠ss♥ ♥ ♥♥t ♥s r ♦♥② ♣rt② r♦♥strt

Page 43: Phylogenetic Models of Language Diversification...between Bengali, Persian, and 15 European languages, and noted that on the other hand, Chinese, Hebrew, Malay and urkishT have very

❬ ❪ ❬ ❪ ❬ ⑦ ❪ ❬ ❪ ❬ ❪

r strt♦♥ ♦ t ♦r② r③ ♥ r s♣♣♦s♥ ♠s♥ ♠tr① I∗ s ♦ D∗ s t ♥♦sr t t ♦♠♥ ♦r ♦♥② ss ♥ r♦ ♦r ♥ ♦ r ts ♦♥t s♣rs♥t ♥ r♦s ♥ ③r♦s ♥ t ♠s♥ ♠tr① I∗ ♥t ♠ss♥♠tr① ♠♥ts ♦♠ ♦♥② sss r t♥ t♥♥ ♥ ts ①♠♣ trstrt♦♥ r ♣s ♦♥② sss t ♥st♥s s♣② ♥ ♦♥ ♦r ♠♦r♥ t♦ t rstr t D

t s♦ ♦sr s♠ ♠♦♥ts ♦ ♠ss♥ t ♥ s♦♠ ♠♦r♥ ♥s

t D∗ ♥♦t ♥♦t♦♥ r♥♦♠ ♥r② t ♠tr① r♣rs♥t♥ t

♦t♦♠ ♦ t rst♦♥ ♣r♦ss ♦ t♦♥ ♥♠r ♦ ♦♠♥s

♥ D∗ s r♥♦♠ ♥ q t♦ N∗ ♦r t r③t♦♥ ♣t ♥ r

D∗ = D∗ t D∗ s♣② ♥ r

♦♠♥ ♦ D∗ ♦rrs♣♦♥s t♦ ♦♥② ss s tr ♣rs♥t

t t r♦♦t ♦r s ♦r♥ ♦ t ♥♥ s♦♠ ♦♥② sss

♦t ♦♠♣t② ♥♠r ♦ ♦♠♥s N∗ ♦♦s Poisson(|g| + kT · TC)

strt♦♥ r |g| s t t♦t ♥t ♦ t tr kT s t t♦t ♥♠r

♦ tstr♦♣s ♦♥ t tr ♥ TC s t ♠♦♥t ♦ t♠ q♥t t♦ ♦♥

tstr♦♣

♦sr t D r tr♥r② ♠tr① ♦ s s ♥ s t N

♦♠♥s N ≤ N∗ ❲ t ♠♣♣♥ ♦ t ♥♥♦♥ ♦♠♣t t D∗

Page 44: Phylogenetic Models of Language Diversification...between Bengali, Persian, and 15 European languages, and noted that on the other hand, Chinese, Hebrew, Malay and urkishT have very

t♦ t ♦sr t D t rstrt♦♥ ♣r♦ss s ♣r♦ss ♦rs ♥ t♦

st♣s rst s♦♠ t ♦ ♠ss♥ s♦♥ s♦♠ ♦♥② sss r r♠♦

r♦♠ t t

t I∗ r♥♦♠ L × N∗ ♥t♦r ♠tr① ♦ ♥♣♥♥t r♥♦

r♥♦♠ rs ♦r ♦sr ♠♥ts s tt ♦r i = 1 . . . , L ♥ a =

1, . . . , N∗ P [I∗i,a = 1] = ξi s♦ tt ξi s t ♣r♦t② tt ♥ ♥sr

t qst♦♥ ♦s ♥ i s♣② ♥ ♥st♥ ♦ ♦♥② ss a

t ♥ ♥sr t s ss♠ ♦rrt ♥ I∗i,a = 1 ♦ ♥♦t t ♥ ♥sr

t♥ I∗i,a = 0 t ③r♦s ♦ I

∗ ♥t t ♣♦♥ts r ♠ss♥ t

ξ = (ξ1, . . . , ξL) ♥ ♥♦t ② I∗ r③t♦♥ ♦ I∗

♦ t D = D(D∗, I∗) t ♠s rs♦♥ ♦ t r♥♦♠ t

♠tr① I∗i,a = 1 t♥ Di,a = D∗

i,a ♥ I∗i,a = 0 t♥ Di,a =? ♠♣♣♥

♦ D∗ t♦ D ♦rrs♣♦♥s t♦ t rst st♣ ♦ t rstrt♦♥ ♣r♦ss

♥ t s♦♥ st♣ s♦♠ ♦♠♥s r r♠♦ r♦♠ D ♦r ①♠♣ t

s♦♥ ♥ tr ♦♠♥s ♦ D ♦♥sst ♥tr② ♦ s ♥ s t ♦rrs♣♦♥♥

♦♥② sss r ♥r ♦sr t ♥② ♦♥② sss r

♥♦t ♥ ♥ t rstr t tr t②♣s ♦ ♦♠♥s ♠② s♦

r♠♦ r♦♠ t t s t② r ♠ ♥r ♥♦t ② R t

rstrt♦♥ r D = R(D) ♠♣♣♥ t t t♦ rstr t t Y

♥ Q ♥t♦♥s ♦ t ♦♠♥s ♦ D∗ ♥ I∗ ♦♥t♥ t s s ♥

s rs♣t②

Y (D∗a, I

∗a) =

L∑

i=1

I∗i,aD

∗i,a,

Q(I∗a) =L

i=1

(1 − I∗i,a).

Page 45: Phylogenetic Models of Language Diversification...between Bengali, Persian, and 15 European languages, and noted that on the other hand, Chinese, Hebrew, Malay and urkishT have very

♥ a = 1, 2, ..., N∗ t Ya = Y (D∗a, I

∗a) ♥ Qa = Q(I∗a)

❲ ♥ ♥t ♦rt♠ ♦r ♦♠♣t♥ t ♦♦ ♦r rs ♦r♠

② ♦♠♣♦♥♥ t ♦♦♥ ♠♥tr② t♥♥♥ ♦♣rt♦♥s

R1(D) = (Da : Ya > 0) sr sss t ♥♦ ♥st♥s t t s

R2(D) = (Da : Ya > 1) sr sss s♥t♦♥s ♦sr t s♥

R3(D) = (Da : Ya < L) sr sss r ♦sr t s

R4(D) = (Da : Ya < L − 1) sr sss r ♦sr t

s ♦r t s t ♦♥

R5(D) = (Da : Ya + Qa < L) sr sss r ♣♦t♥t②

♣rs♥t t s

R6(D) = (Da : Ya + Qa < L − 1) sr sss r ♣♦t♥t②

♣rs♥t t s ♦r t s t ♦♥

❲ ss♠ t ♦s♥ r ♥s ♦♥t♦♥ r D = R(D) t

R(D) = R6R2(D) ♦ts ♣rs♠♦♥② ♥♦r♠t ♦♥② sss ♦♥qst

t ❬❪ t ♦♦ ♦r t ♥tsts trt ♦t♦♥ ♠♦ ♦ s

❬❪ ♦r rstrt♦♥ rs st♦♥ ♦ ♦♠♥s s s♦♠t♥

♥ ♥r ♥♦ ♦♥tr♦ ♦r t ♦♠♥ st♦♥ r s♠♣② srs

t ♣♣♥ t rstrt♦♥ s ♥ ♥ ♥ ② t ♥st ♦t♥

t t ♥ t ①♠♣ ♥ r ♥ ♥ ♦r ♥②ss ♦ t ♥ t

❬❪ t t t rstr t R(D) = R1(D) ♥ s♦ s r

Page 46: Phylogenetic Models of Language Diversification...between Bengali, Persian, and 15 European languages, and noted that on the other hand, Chinese, Hebrew, Malay and urkishT have very

R2 t♦ t ♦r rsts ②♥ t ❬❪ t s rstrt♦♥ r

R(D) = R2(D)

♥② ♦tr rstrt♦♥ rs ♦ t♦t ♦ ♥ t ♦♦

t♦♥s ♦ r ♦rrt ♦r rt② ♦ rs ♦r ♦♥② rqr♠♥t

s tt t ♥t tt ss s rstr s ♥♣♥♥t ♦ ♥ts ♥

♦tr ♦♥② sss ❲ rrs♦♥s ♦r rs s♥ ts r ②

t♦ t ♠♦st rq♥t② s

t♥♥♥ D = R(D) ♦rrs♣♦♥s t♦ t s♦♥ st♣ ♦ t rstrt♦♥

♣r♦ss ♥ s rs t♦ t ♦sr t t I L×N ♠tr① ♦♥t♥♥

t♦s ♦♠♥s ♦ I∗ sr t t♥♥♥ ❲ ♦sr t r③t♦♥ I

♦ I

♦♠♥ ♥s a = 1, 2, ..., N∗ r ①♥ t s ♦♥♥♥t t♦

r♥♠r t ♦♠♥s ♦ D∗ I∗ ♥ D tr rstrt♦♥ s♦ tt Da = Da

♥ I∗a = Ia ♦r a = 1, 2, ..., N ♥♦r♠t♦♥ ♥ t♦ t Ya

♥ Qa s ♥ t ♦♠♥ Da ♥ st Ωa r♣rs♥tt♦♥s ❲ rt

Y (Da) = Y (Ωa) = Ya ♥ Q(Da) = Q(Ωa) = Qa

P♦♥t ♣r♦ss ♦ rts ♦r rstr ♦♥② sss

① tstr♦♣r ♣②♦♥② g ∈ ΓCK t k = (0, 0, ..., 0) ♥ t ♥

〈i, j〉 ♥ t♠ τ ∈ [ti, tj) ♥ ♥♦t ② [g] t st ♦ ♣♦♥ts (τ, i)

♦♥ t ♣②♦♥② ♥♥ ♣♦♥ts (τ, r) t τ ≥ tr ♥ t 〈r, A〉

♦t♦♥s zD = z1, z2, ..., zN ♦ t rt ♥ts ♦ t N rstr ♦♥②

sss r r③t♦♥ ♦ ♥ ♥♦♠♦♥♦s P♦ss♦♥ ♣♦♥t ♣r♦ss ZD ♦♥ [g]

t Z ∈ [g] t rt ♦t♦♥ ♦ ♥r ♦♥② ss M ⊆ 1, 2, ..., L

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♦rrs♣♦♥♥ t♦ ♦♠♥ ♦ D t Y ♦sr 1s ♥ Q ?s ♥ t EZ

t ♥t tt ts ss ♥rts ♦♠♥ ♦ t rstr t

♣♦♥t ♣r♦ss ZD ♦ rt ♦t♦♥s ♦ rstr ♦♥② sss s

♥t♥st②

λ(z) = λ Pr(EZ |g, µ, λ, ξ, Z = z)

t z ∈ [g] ♥ ♣r♦t② ♥st②

fZD(zD) =

1

N !e−Λ([g])

N∏

a=1

λ(za)

t rs♣t t♦ t ♠♥t ♦ ♦♠ dzD = dz1dz2...dzN ♥ [g]N r

Λ([g]) =

[g]

λ(z)dz

=∑

〈i,j〉∈E

∫ tj

ti

λ((τ, i))dτ.

♥♠r N ♦ rstr ♦♥② sss s N ∼ P♦ss♦♥(Λ([g]))

♦♦ t♦♥s

❲ t ♦♦ ♦r g µ λ κ ρ ♥ ξ ♥ t t ♦♥ t ♥

♥t ♦rt♠ t♦ ♦♠♣t t s♠ ♦r ♠ss♥ t

❲ ♥ t♦ ♦♠♣t P [D|g, µ, λ, ξ, R(D)] t ♦♦ ♦ t ♦sr

t ♥ t tr g t rt ♥ t rts ♥ λ ♥ µ t ♦srt♦♥

♠♦ ♣r♠trs ξ ♥ t ♥t tt t trts ♦♥sr ♥

rstr ❲ rst♦r t rt ♦t♦♥s ♥ s♦ ♦♠t λ r♦♠ t ♦♥t♦♥♥

Page 48: Phylogenetic Models of Language Diversification...between Bengali, Persian, and 15 European languages, and noted that on the other hand, Chinese, Hebrew, Malay and urkishT have very

♥ t♦r③ s♥ t ♦♥t ♥♣♥♥ ♦ Da, a = 1, 2, ..., N ♥r t

♥ ♦♥t♦♥s

P [D=D|g, µ, λ, ξ,D=R(D)]

=

fZD(zD)P [D=D|g, µ, ξ, ZD =zD,D=R(D)] dzD

=e−Λ([g])

N !

N∏

a=1

[g]

λ(za)P [Da =Da|g, µ, ξ, Za =za, EZa] dza

=e−Λ([g])

N !

N∏

a=1

[g]

λP [EZa|g, µ, ξ, Za =za]P [Da =Da|g, µ, ξ, Za =za, EZa

] dza

=e−Λ([g])

N !

N∏

a=1

λ

[g]

P [Da =Da, EZa|g, µ, ξ, Za =za] dza.

=e−Λ([g])

N !

N∏

a=1

λ

[g]

P [Da =Da|g, µ, ξ, Za =za] dza.

st ♥ ♦♦s s trts ♥ t t ♥ rstr ♥

t ♥t Da =Da s sst ♦ t ♥t EZa ♦♦ ♣♥s ♦♥

t r ♦♥t♦♥ D = R(D) ♦♥② tr♦ t ♠♥ ♥♠r λ([g]) ♦

rstr ♦♥② sss t♦♥ s s♦ r ①t♥ ♦s ♥

r② ❬❪ t♦ t ♦♦ ♦r rtr rt② ♦ ♦♠♥ t♥♥♥ rs

❲ ♥♦ t ♠ss♥ ♠♥t ♦♠♣♦♥♥t ♦ t rstrt♦♥ ♣r♦ss

❲ s♠ ♦r ♣♦ss s ♦ t ♠ss♥ ♠tr① ♠♥ts ♥ t rstr

t ♦tr ♠♥ts ♥ D t st ♦ ♣♦ss s ♦r D ♥ D

♥ P [Da = Da|g, µ, λ, ξ, Za = za] s ♥♦t ♦♥t♦♥ ♦♥ t rqr♠♥t tt

t ♦♠♥ Da ts rstr t ♥trs ♦ t ♦rrs♣♦♥♥ ♦♠♥ Ia r

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tr♠♥ ② t ♥♦♥t♦♥ r♥♦ ♣r♦ss ♥

P [Da = Da|g, µ, ξ, Za = za] =∑

d∗∈Da

P [I∗a,D∗a = d∗|g, µ, ξ, Za = za]

=L

i=1

ξIa,i

i (1 − ξi)1−Ia,i

d∗∈Da

P [D∗a = d∗|g, µ, ξ, Za = za].

♦♦ s

P [D = D|g, µ, λ, ξ,D = R(D)] =

e−Λ([g])

N !

N∏

a=1

(L

i=1

ξIa,i

i (1 − ξi)1−Ia,i)λ

[g]

ω∈Ωa

P [M = ω|g, µ, ξ, Z = za]dza,

r st r♦♠ s♠♠♥ d∗ ∈ Da t♦ t q♥t st

r♣rs♥tt♦♥ ω ∈ Ωa

♦r t t♦ ♥trt q♥tts ♥ qt♦♥ trt

rrs ♦r♠ ❲ r s♥ ♣r♥♥ ♣r♦r ♥ t♦ s♥st♥

❬❪ ❲ ♥ t Λ([g])

❲ ♠ t rs♦♥ ss♠♣t♦♥ tt t rstrt♦♥ r ♥s t

st ♦♥t♦♥ R1 r♦♠ t♦♥ t ♦♦s tt ♦♥② ss ♦r♥ t

Z = (τ, i) ♥ [g] ♠st sr ♦♥ t♦ t ♥♦ ♦ t Z = (ti, i) ♥ ♦rr

t♦ rstr ♥ s♦

P [EZ |Z = (τ, i), g, µ, ξ] = P [EZ |Z = (ti, i), g, µ, ξ]e−µ(τ−ti).

Page 50: Phylogenetic Models of Language Diversification...between Bengali, Persian, and 15 European languages, and noted that on the other hand, Chinese, Hebrew, Malay and urkishT have very

❲ ♥ ssttt ts ♥t♦ t ①♣rss♦♥ ♦r Λ([g]) ♥ ♥trt t♦ t

Λ([g]) =λ

µ

〈i,j〉∈E

P [EZ |Z = (ti, i), g, µ, ξ](

1 − e−µ(tj−ti))

.

♥ ♥♦ i t V(i)L t st ♦ ♥♦s s♥ r♦♠ i ♥♥

i ts i s t si = r(V(i)L ) ♥♦t ② u

(n)i = P [Y = n|Z =

(ti, i), g, µ, ξ] ♥ v(n)i = P [Y + Q = n|Z = (ti, i), g, µ, ξ] ❲ ♥ ♦♠♣t

Λ([g]) ♦r rs ♠ ♣ ♦ ♦♠♥t♦♥s ♦ ♦♥t♦♥ R1 t ♥② ♦♠♥t♦♥

♦ ♦♥t♦♥s R2R6 r♦♠ u(0)i u

(1)i u

(si−1)i u

(si)i v

(si−1)i ♥ v

(si)i ♦r

①♠♣

P [EZ |Z = (ti, i), g, µ, ξ] =

1 − u(0)i R = R1,

1 − u(0)i − u

(1)i R = R2,

1 − u(0)i − u

(1)i − u

(L−1)i − u

(L)i R = R4 R2.

♦t tt u(n)i = 0 ♥ss si ≥ n s♦ ♦r ①♠♣ u

(L)i s ♥♦♥③r♦ t i = r t

r♦♦t ♥♦ ♦♥②

♦r ♥♦s i ♥ j t δi,j = e−µ(tj−ti) t ♣r♦t② ♦r ♦♥t ss

♣rs♥t t (tj, j) t♦ sr ♦♥ t♦ (ti, i) ♦♥sr ♣r ♦ s 〈c1, i〉

Page 51: Phylogenetic Models of Language Diversification...between Bengali, Persian, and 15 European languages, and noted that on the other hand, Chinese, Hebrew, Malay and urkishT have very

〈c2, i〉 ♥ E ♥

u(0)i =

(

(1 − δi,c1) + δi,c1u(0)c1

) (

(1 − δi,c2) + δi,c2u(0)c2

)

u(1)i = δi,c1(1 − δi,c2)u

(1)c1

+ δi,c2(1 − δi,c1)u(1)c2

+ δi,c1δi,c2(u(1)c1

u(0)c2

+ u(0)c1

u(1)c2

)

u(si)i = δi,c1u

(sc1 )c1 δi,c2u

(sc2 )c2

u(si−1)i =

(

δi,c1u(sc1−1)c1 + Isc1=1(1 − δi,c1)

)

δi,c2u(sc2 )c2

+δi,c1u(sc1 )c1

(

δi,c2usc2−1c2 + Isc2=1(1 − δi,c2)

)

v(0)i =

δi,c1v(0)c1

+ (1 − δi,c1)∏

j∈Vc1L

ξj

δi,c2v(0)c2

+ (1 − δi,c2)∏

j∈Vc2L

ξj

v(si)i =

δi,c1v(sc1 )c1 + (1 − δi,c1)

j∈Vc1L

(1 − ξj)

δi,c2v(sc2 )c2 + (1 − δi,c2)

j∈Vc2L

(1 − ξj)

v(si−1)i =

δi,c1v(sc1−1)c1 + (1 − δi,c1)

j∈Vc1L

ξj

k 6=j

(1 − ξk)

δi,c2v(sc2 )c2 + (1 − δi,c2)

j∈Vc2L

(1 − ξj)

+

δi,c1v(sc1 )c1 + (1 − δi,c1)

j∈Vc1L

(1 − ξj)

δi,c2v(sc2−1)c2 + (1 − δi,c2)

j∈Vc2L

ξj

k 6=j

(1 − ξk)

rrs♦♥ s t r♦♠ t s i ∈ VL t

u(0)i = u

(si−1)i = 1 − ξi

u(1)i = u

(si)i = ξi

v(0)i = v

(si−1)i = 0

v(si)i = 1

❲ ♥♦ t q♥t rrs♦♥s ♦r λ∫

[g]

ω∈ΩaP [M = ωa|Z =

za, g, µ] dza ♦♥sr t st ma =⋂

ω∈Ωaω ♦ s ♥♦♥ t♦ ♦♥t

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♥ t at rstr ♦♥② ss ma s t st ♦ s i s tt Di,a = 1

t Ea t st ♦ r♥s ♦♥ t ♣t r♦♠ t ♠♦st r♥t ♦♠♠♦♥

♥st♦r ♦ t s ♥ ma ♣ t♦ t ♠♥♦ A ♦ t r♦♦t ♦♥②

ss a ♠st ♥ ♦r♥ ♦♥ ♥ ♥ Ea ♦r a = 1, 2, ..., N ss Ma

s ♥♦♥♠♣t② s♦ a ♠st sr r♦♠ ts rt ♣♦♥t ♦♥ t♦ t ♥♦

♦ ❲ ♥ st t rt ♦t♦♥ t♦ t ♥♦ ♦ ♥ ♦♥rt t

♥tr t♦ s♠

λ

[g]

ω∈Ωa

P [M = ω|Z = za, g, µ] dza =λ

µ

〈i,j〉∈Ea

ω∈Ωa

P [M = ω|Z = (ti, i), g, µ](1−δi,j).

♦r a = 1, 2, ..., N ♥ ω ∈ Ωa t ω(i) = ω ∩ V(i)L ♥

Ω(i)a = ω(i) : ω(i) = ω ∩ V

(i)L , ω ∈ Ωa

♥♦t t st ♦ ssts ω(i) ♦ t s V(i)L r ♦♥② sss

♦♥sst♥t t t t ♦r t♦s s ♦♥sr t♦ r♥s

〈c1, i〉 ♥ 〈c2, i〉 t ♥♦ i ♥ Ωa = Ω(c1)a ×Ω

(c2)a ♥ ss♠ tt

♥ts r ♥♣♥♥t ♦♥ t t♦ r♥s

ω∈Ωa

P [M = ω|Z = (ti, i), g, µ, ξ] =∑

ω(c1)∈Ω(c1)a

P [M = ω(c1)|Z = (ti, c1), g, µ]

×∑

ω(c2)∈Ω(c2)a

P [M = ω(c2)|Z = (ti, c2), g, µ].

♥ ♠♦ t rt ♥t t (ti, i) t♦ (ti, c1) ♥ (ti, c2) ♦ t ♥♦ ♥

♦♥t♦ ts s ♥♦ ♠♦ t rt ♥t t (ti, c) t♦ (tc, c) ♦r c = c1, c2

Page 53: Phylogenetic Models of Language Diversification...between Bengali, Persian, and 15 European languages, and noted that on the other hand, Chinese, Hebrew, Malay and urkishT have very

♦♥ ♥ s ♦♦s

ω∈Ω(c)a

P [M = ω|Z = (ti, c), g, µ] =

δi,c ×∑

ω∈Ω(c)a

P [M = ω|Z = (tc, c), g, µ] Y (Ω(c)a ) ≥ 1

(1 − δi,c) + δi,c ×∑

ω∈Ω(c)a

P [M = ω|Z = (tc, c), g, µ] Y (Ω(c)a ) = 0 ♥ Q(Ω

(c)a ) ≥ 1

(1 − δi,c) + δi,cv(0)c Y (Ω

(c)a ) + Q(Ω

(c)a ) = 0

Ω(c)a = ∅

rrs♦♥ s t r♦♠ t s c s t♥

ω∈Ω(c)a

P [M = ω|Z = (tc, c), g, µ] =

1 Ω(c)a = c, ∅ ♦r c Dc,a ∈ ?, 1

0 Ω(c)a = ∅ Dc,a = 0.

♥ ♦rr t♦ rst♦r tstr♦♣s t♦ ts t♦♥ ♥ ♥ g ∈ ΓK t

ki tstr♦♣s ♦♥ 〈i, j〉 ∈ E r♣ tj − ti t tj − ti + kiTC(κ, µ) ♥

♦♥t♦♥s ♦♥ µ t ♦♥t♦♥s ♦♥ µ, κ tr♦♦t

P♦str♦r strt♦♥

r ♣r♦r strt♦♥ ♦♥ t tstr♦♣ t ♣r♦t② κ ♥ ♦♥ ♦

t ♠ss♥ t ♣r♠trs ξi, i = 1 . . . L s ♥♦r♠ strt♦♥ ♦♥ t

♥tr [0, 1] ♦r t rt ♣r♠trs µ λ ♥ ρ ♠♣♦s ♥ ♠♣r♦♣r

♣r♦r strt♦♥ p(µ, λ, ρ) ∝ 1µλρ

s ♣r♦r s s♥r♥t s

t t♠s t ② t♦r η t′ = ηt t♥ t s♥ (µ′, λ′, ρ′) = (µ/η, λ/η, ρ/η)

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s t ♦♦ ♥♥ t s tr♦r rs♦♥ t♦ ♣t t s♠ ♣r♦r

t ♦r rt ♣r♠tr ♦♥ ♥ ♥tr [a, b] s ♦♥ t ♥tr [a/η, b/η]

♥ s♦♠ ♥②ss s Γ(1.5, 0.0002) ♣r♦r ♦♥ ρ st

♣r♦t② ♥st② ♥tr ♦r ts strt♦♥ ♦rrs♣♦♥s t♦ tstr♦♣s

♦r♥ t♥ r② ②rs ♥ r② ②rs ♥♥ t ♣r♦r

♥♦t t ♦r rsts r ♣r♦r ♦♥ t tr g s sr ♥ t♦♥

❲ t ♥♦r♠ ♣r♦r ♦r [0, 1] ♦r t t ♣r♦t② t tstr♦♣

κ ♥ ♠ss♥ t ♣r♠tr ξi

sttt♥ s♥ qt♦♥s ♥t♦ qt♦♥ ♥ ♠t♣②♥

② t ♣r♦r fG(g|T )p(λ, µ, ρ) ♦t♥ t ♣♦str♦r strt♦♥

p(g, µ, λ, κ, ρ, ξ|D = D)

=1

N !

(

λ

µ

)N

exp

−λ

µ

〈i,j〉∈E

P [EZ |Z = (ti, i), g, µ, κ, ξ](1 − e−µ(tj−ti+kiTC))

×N∏

a=1

〈i,j〉∈Ea

ω∈Ωa

P [M = ω|Z = (ti, i), g, µ](1 − e−µ(tj−ti+kiTC))

×1

µλp(ρ)fG(g|T )

e−ρ|g|(ρ|g|)kT

kT !

L∏

i=1

(1 − ξi)QiξN−Qi

i

♦r ♣r♠trs µ, λ, ρ > 0 0 ≤ κ, ξi ≤ 1 ♥ trs g ∈ Γ(C)K

❲t t ♣r♦r p(ρ) ∝ 1/ρ t ♣♦str♦r s ♠♣r♦♣r t♦t ♦♥s ♦♥

ρ s♥ kT = 0 s ♦ ❲ ♣ r② ♦♥srt ♦♥s ♦♥ ρ sts

r ♥♦t s♥st t♦ ts ♦ ❲ sss t ♣r♦♣rt② ♦ t ♣♦str♦r ♥

t♦♥

Page 55: Phylogenetic Models of Language Diversification...between Bengali, Persian, and 15 European languages, and noted that on the other hand, Chinese, Hebrew, Malay and urkishT have very

♠ rrst②

♥ ts st♦♥ s♦ tt t ♣r♦ss s t♠rrs ♥ ♦♥② ν =

κλ/µ s ♠ ♥ st♦♥ ♦r ts ♦♦ t t tr♥st♦♥ rts ri,j

r♦♠ t stt t i ♦♥② sss ♥ ♥ t♦ t stt t j ♦♥②

sss s tr♥st♦♥ rts r t s♠ ♦ t tr♥st♦♥ rts ♦r t

♥♥ ♣r♦ss ♦s tr♥st♦♥s r♦♠ i t♦ i + 1 ♥ i − 1 ♥ t

tr♥st♦♥ rts ♦r t tstr♦♣ ♣r♦ss ♦s tr♥st♦♥s r♦♠ ♥②

i t♦ ♥② j

♦r |i− j| 6= 1 t tr♥st♦♥ r♦♠ i t♦ j s t♦ ♦ tr♦ tstr♦♣

ts ♦r t rt ρ ♦r tstr♦♣ ♦rr♥ t t♠ τ s② tt t

ts ♣♣♥ t τ ♥ t rts ♣♣♥ s♦rt② tr t τ − ǫ t k t

♥♠r ♦ ♦♥② sss ①st♥ tr t ts ♦rr t ♦r

t rts ♥② ts ♦rr t♦ ♦ r♦♠ i t♦ k s♦ k ≤ i ♥ ♦♥② rts

♦r t♦ ♦ r♦♠ k t♦ j s♦ k ≤ j k ♥ t ♥② t♥ ♥ min(i, j)

♠♠♥ ♦r ts s t

ri,j = ρ

k=min(i,j)∑

k=0

Bin(k; i, 1 − κ) × Poi(j − k; ν)

strt♥ t i ♦♥② sss k ♦♥② sss t♦ sr t t♥♥♥

♣r♦ss t sr ♣r♦t② 1−κ t♥ t r♠♥♥ j−k ♦♥② sss

r ♦r♥ tr♦ t Poi(ν) ♣r♦ss s ♦♠s

ri,j = ρκie−ννji! 2F0

(

−i,−j;1 − κ

νκ

)

Page 56: Phylogenetic Models of Language Diversification...between Bengali, Persian, and 15 European languages, and noted that on the other hand, Chinese, Hebrew, Malay and urkishT have very

r

2F0(−i,−j; θ) =

k=min(i,j)∑

k=0

θk 1

k!(i − k)!(j − k)!

s ♥r③ ②♣r♦♠tr ♥t♦♥ ❬r♠♦t③ ♥ t♥ ❪ ♦t

tt 2F0(−i,−j; θ) = 2F0(−j,−i; θ)

♦r j = i + 1 t tr♥st♦♥ rts r

ri,j = λ + ρe−ν νjκj−1

j!2F0

(

−i,−j;1 − κ

νκ

)

rj,i = µj + ρe−ν νj−1κj

(j − 1)!2F0

(

−j,−i;1 − κ

νκ

)

.

rst ss♠ tt ν = κλ/µ ❲ ♣r♦♥ ♥ t♦♥ tt t

qr♠ t ♣r♦t② ♦r ♥② ♣♦♥t ♦♥ t tr t♦ s♣② ①t② i

♦♥t sss s πi = e−νκ νi/(i!κi) |i − j| 6= 1 t s strt♦rr t♦

tt πiri,j = πjrj,i j = i + 1 t♥

πjrj,i

πiri,j

µ

1

µj + ρe−ν νj−1κj

(j−1)! 2F0

(

−j,−i; 1−κνκ

)

λ + ρe−ν νjκj−1

j! 2F0

(

−i,−j; 1−κνκ

)

µ×

µ + ρe−ν νj−1κj

j! 2F0

(

−j,−i; 1−κνκ

)

λ + ρe−ν νjκj−1

j! 2F0

(

−i,−j; 1−κνκ

)

=

λµµ + ν

κρe−ν νj−1κj

j! 2F0

(

−j,−i; 1−κνκ

)

λ + ρe−ν νjκj−1

j! 2F0

(

−i,−j; 1−κνκ

)

= 1.

♦r i ♥ j πiri,j = πjrj,i ♥ s♦ t ♣r♦ss s t♠rrs

♣♣♦s ♦♥rs② tt t ♣r♦ss s t♠rrs i ≥ 2 ♥ t

Page 57: Phylogenetic Models of Language Diversification...between Bengali, Persian, and 15 European languages, and noted that on the other hand, Chinese, Hebrew, Malay and urkishT have very

j = i + 1 ♥

πi =π0r0,i

ri,0

② t♠rrst②

=νi

κi

π0

i!② qt♦♥

πj =νj

κj

π0

j!

♥ πi/πj = (i + 1)κ/ν qt♦♥s ♥

rj,i

ri,j

=µ(i + 1) + ρe−ννiκi+1

i! 2F0

(

−i,−j; 1−κνκ

)

λ + ρe−ννi+1κi

(i+1)! 2F0

(

−j,−i; 1−κνκ

)

♥ t ♣r♦ss s t♠ rrs πi

πj=

rj,i

ri,j

(i + 1)κ

ν=

µ(i + 1) + ρe−ννiκi+1

i! 2F0

(

−i,−j; 1−κνκ

)

λ + ρe−ννi+1κi

(i+1)! 2F0

(

−i,−j; 1−κνκ

)

♥ t ♥♠rt♦r ♦ ♦t ss ② (i + 1)κ ♥ t ♥♦♠♥t♦r ♦ ♦t

ss ② ν s

1 =

µ

κ+ ρe−ννiκi

(i+1)! 2F0

(

−i,−j; 1−κνκ

)

λν

+ ρe−ννiκi

(i+1)! 2F0

(

−i,−j; 1−κνκ

) .

t ♦♦s tt µ/κ = λ/ν

s s♦s tt t ♣r♦ss s t♠ rrs ♥ ♦♥② ν = λκ/µ

Page 58: Phylogenetic Models of Language Diversification...between Bengali, Persian, and 15 European languages, and noted that on the other hand, Chinese, Hebrew, Malay and urkishT have very

♣tr

♠♣♠♥tt♦♥

s ♣tr s t ♣♦str♦r ♣r♦t② strt♦♥ s ♣r♦♣r sts ♦t

t r♦ ♥ ♦♥t r♦ ♦rt♠ ①♣♥s ♦ t s ♠♣♠♥t

srs ♥ s ♥ r② sts ♦tr s♣ts ♦ t s♦tr

rt ♥ ♦ ♦s ❲ ♥ ts t♦r ♠♣♠♥t

t st♦st ♦♦ ♠♦ sr ♥ ♣tr

Pr♦♣rt② ♦ t ♣♦str♦r

tt ♦r ♣r♦r ♦♥ t rt ♣r♠tr λ ♥ t t ♣r♠tr µ s

p(λ, µ) ∝ 1λµ s ♠♣r♦♣r t s tr♦r ♣♦ss tt t ♣♦str♦r

strt♦♥ s ♠♣r♦♣r qt♦♥ s t ♣♦str♦r strt♦♥ ♦ t

Page 59: Phylogenetic Models of Language Diversification...between Bengali, Persian, and 15 European languages, and noted that on the other hand, Chinese, Hebrew, Malay and urkishT have very

tr ♥ ♣r♠trs ♥ t t s

p(g, µ, λ, κ, ρ, ξ|D = D)

=1

N !

(

λ

µ

)N

exp

−λ

µ

〈i,j〉∈E

P [EZ |Z = (ti, i), g, µ, κ, ξ](1 − e−µ(tj−ti+kiTC))

×N∏

a=1

〈i,j〉∈Ea

ω∈Ωa

P [M = ω|Z = (ti, i), g, µ](1 − e−µ(tj−ti+kiTC))

×1

µλp(ρ)fG(g|T )

e−ρ|g|(ρ|g|)kT

kT !

L∏

i=1

(1 − ξi)QiξN−Qi

i

♦r ♣r♠trs µ, λ, ρ > 0 0 ≤ κ, ξi ≤ 1 ♥ trs g ∈ Γ(C)K

❲ ♦♥t♦♥s ♥r t ♣♦str♦r ♥ s♦♥ t♦ ♣r♦♣r

r strt② s t♦ rst ♥trt ♦t λ ♥ t♥ ♥ ♥ ♣♣r ♦♥ ♦♥

t ♥tr ♦ t ♣♦str♦r ♥ µ → ∞ ♥ µ → 0 ♦r s♣②

s ♥ µ0 ♥ µ1 s tt tr s ♦♥ ♦r t ♥tr ♦♥ [µ0,∞)

♥ ♦♥ ♦♥ t ♥tr ♦♥ [0, µ1] ♥tr ♦♥ [µ1, µ0] s t ♥tr

♦ ♦♥ ♥t♦♥ ♦r ♦♠♣t st ♥ s tr♦r ♥t ♦r s

♦ rt② t θ = (g, κ, ρ, ξ) ♥ dθ = dκdρdξ∏

i dti t ♦♥t♥

♠sr ♦♥ t♦♣♦♦s

♠r♥ ♦r λ s ♠♠strt λ|µ, θ, D ∼ Γ(N, β) r

β =µ

〈i,j〉∈E P [EZ |Z = (ti, i), θ, µ](1 − e−µ(tj−ti+kiTC))

♥ t ♣r♦t② ♥st② ♥t♦♥ ♦ Γ(α, β) s f(x) = xα−1e−βxβα

Γ(α)

Page 60: Phylogenetic Models of Language Diversification...between Bengali, Persian, and 15 European languages, and noted that on the other hand, Chinese, Hebrew, Malay and urkishT have very

❲♥ ♥trt ♦t λ ♣ ♣ t t♦rs ♥♦r♠③♥ ts strt♦♥

p(µ, θ|D) ∝

〈i,j〉∈E

P [EZ |Z = (ti, i), θ, µ](1 − e−µ(tj−ti+kiTC))

−N

×N∏

a=1

〈i,j〉∈Ea

ω∈Ωa

P [M = ω|Z = (ti, i), g, µ](1 − e−µ(tj−ti+kiTC))

×1

N !

1

µp(ρ)fG(g|T )

e−ρ|g|(ρ|g|)kT

kT !

L∏

i=1

(1 − ξi)QiξN−Qi

i

♥ ts s ♥ t t ♦r♠ s ♥ t ♠♣♠♥tt♦♥ sr tr

♥ ts ♣tr

❲ rst ①♠♥ t s②♠♣t♦t ♦r ♥ µ → +∞ ♥ ♦rr t♦

♣r♦ tt t ♣♦str♦r s ♣r♦♣r ss♠ t t ♥s trt

s♣② ♥ t♦ s ♥ r♥t s trt ♠st sr ♦r

♥t t♠ ♥ t s s ♠♣♦ss t µ → ∞

❲ rrt qt♦♥

p(µ, θ|D) ∝C

µ

N∏

a=1

〈i,j〉∈Ea

ω∈ΩaP [M = ω|Z = (ti, i), θ, µ](1 − e−µ(tj−ti+kiTC))

〈i,j〉∈E P [EZ |Z = (ti, i), θ, µ](1 − e−µ(tj−ti+kiTC))

r C =QL

i=1(1−ξi)Qiξ

N−Qii

N !p(ρ)fG(g|T ) e−ρ|g|(ρ|g|)kT

kT !

♥♠rt♦r s ♦♥ s♦ t ♦♥ ♦r t t ♥

♥ ♥ ♦r ♦♥ ♦r t ♥♦♠♥t♦r ♥ ♦r ω ∈ Ωa t

♥t Ma = ω|Z = (ti, i) s ♦♥t♥ ♥ t ♥t EZ |Z = (ti, i) ♥ s♥

Ea ⊆ E t tr♠s ♥ ts ♣r♦t r ss t♥ t ts ♣♣r ♦♥ s

♥♦t qt ♥♦ t♦ s♦ tt t ♥tr ♦r µ s ♣r♦♣r

t s ♥♦ ♦♥sr t s r t rstrt♦♥ ♦♥t♦♥ s Y (a) > 0

Page 61: Phylogenetic Models of Language Diversification...between Bengali, Persian, and 15 European languages, and noted that on the other hand, Chinese, Hebrew, Malay and urkishT have very

i2

i1

i0

a0,...

a0,...

r ♥ ①♠♣ tr ♦r q r ♦♥t ss a0 s s♣②♦♥② t s i1 ♥ i2 t rs♣t② k1 = 1 ♥ k2 = 3 tstr♦♣s ♦t♠

sr ♦♥② sss r ♥r ♦sr ts ♦♥t♦♥ R1

♥ t♦♥ ♣♣♦s tr s ♦♥② ss a0 s tt a0 s s♣②

t ①t② t♦ s i1 ♥ i2 ♦r ♥♦ ss♠ tt i1 ♥ i2 r s♥s

s ♥ r t i0 tr ♦♠♠♦♥ ♣r♥t ♥♦ ♥ t k1 ♥ k2

t ♥♠r ♦ tstr♦♣s ♦♥ t r♥s 〈i1, i0〉 ♥ 〈i2, i0〉 rs♣t②

s r ❲ ♥ t♥ ♦t♥ ♦r ♦♥ ♦♥ t ♥♦♠♥t♦r ♦

qt♦♥

〈i,j〉∈E

P [EZ |Z = (ti, i), θ, µ](1 − e−µ(tj−ti+kiTC))

=∑

〈i,j〉∈E

P [Y (a) > 0|Z = (ti, i), θ, µ](1 − e−µ(tj−ti+kiTC))

≥ P [Y (a) > 0|Z = (ti1 , i1), θ, µ](1 − e−µ(ti0−ti1+k1TC))

≥ ξ1 × (1 − e−µ(ti0−ti1+k1TC))

≥ ξ1(1 − e−µ(ti0−ti1 ))

❲ ♥♦ ♥ ♥ ♣♣r ♦♥ ♦♥ t ♥♠rt♦r ♦ qt♦♥

♦ s♠∑

〈i,j〉∈Ea0

ω∈Ωa0P [M = ω|Z = (ti, i), θ, µ](1 − e−µ(tj−ti+kiTC))

♥ ♦tr ♦rs Ωa0= i1, i2 ♥ ts s t ♦ s♠ ♦r Ea ♥ Ωa

tr♦r ♦♥② s♠ ♦r Ea s♥ tr r ♥♦ ♠ss♥ t ♦r ts ♦♥② ss

Page 62: Phylogenetic Models of Language Diversification...between Bengali, Persian, and 15 European languages, and noted that on the other hand, Chinese, Hebrew, Malay and urkishT have very

♦♥t♥s t ♠♦st L − 2 tr♠s ♥ 1 − e−µ(tj−ti+kiTC) ≤ 1 ♥ s♥

t ♠①♠ ♦r i ♦ t tr♠s P [M = ω|Z = (ti, i), θ, µ] r②

♦rrs♣♦♥s t♦ rt t t ♠♦st r♥t ♦♠♠♦♥ ♥st♦r i0

〈i,j〉∈Ea0

ω∈Ωa0

P [M = ω|Z = (ti, i), θ, µ](1 − e−µ(tj−ti+kiTC))

≤ (L − 2)P [M = i1, i2|Z = (ti0 , i0), θ, µ]

≤ (L − 2)ξi1ξi2e−µ(ti0−ti1+k1TC)e−µ(ti0−ti2+k2TC).

② s♥ ts ♣♣r ♦♥ ♦r t tr♠ a0 ♥ t t tt t tr♠s

♥ t ♣r♦t ♦r a 6= a0 r ss t♥ 1 t tt

p(µ, θ|D) ≤ C(L − 2)ξi1ξi2

e−µ(2ti0−ti1−ti2+(k1+k2)TC)

µ(1 − e−µ(ti0−ti1 ))

s♠r rst ♥ ♦t♥ i1 ♥ i2 r ♥♦t s♥s

❲ ♥ ♥♦ s tt ♦r µ ≥ 1

e−µ(2ti0−ti1−ti2+(k1+k2)TC)

µ≤ e−µ(2ti0−ti1−ti2+(k1+k2)TC) ≤ e−µ(2ti0−ti1−ti2 ).

r♦r

p(µ, θ|D) ≤ C(L − 2)ξi1ξi2

e−µ(2ti0−ti1−ti2 )eµ(ti0−ti1 )

eµ(ti0−ti1 ) − 1

≤ C(L − 2)ξi1ξi2

e−µ(ti0−ti2 )

eti0−ti1 − 1

Page 63: Phylogenetic Models of Language Diversification...between Bengali, Persian, and 15 European languages, and noted that on the other hand, Chinese, Hebrew, Malay and urkishT have very

❲ ♥ ♥trt µ ♦t ♦ [1,∞) ♥ ♦t♥

p(θ|D)dθ ≤ C(L − 2)ξi1ξi2

e−(ti0−ti2 )

(ti0 − ti2)e(ti0−ti1 ) − 1

s ♦♥ s ♥ ♣t ♦r ♦♥ ♦♥ ti0 − ti1 ♥ ti0 − ti2 ts

♣r♦♣r ss♠♥ tt i1 ♥ i2 r ♠♦r♥ s s♦ tt tr s

♦♥str♥ t♦ s ♦r ♦♥ ♥ ♦t♥ tr s ♦r

♦♥ ♦♥ ti0 ♦♥str♥t ♦♥ t r♦♦t ♦ ♦♥t♥♥

i1 t ♥♦t i2 ♥tr s tr♦r ♣r♦♣r ♦r µ ∈ [1,∞[ t st ♦♥

♦♥② ss s s♣② ♥ ①t② t♦ ♥s ♥ t♦ r♥t s ♦r

①♠♣ ♥ r ♦♥② ss s♣② ♥ t♥ ♥ ❲s ♦

sts② ts ♦♥t♦♥

s rst ♥ ①t♥ t♦ t s r a0 s s♣② t ♠♦r t♥

s ♥ r t t r ♠ss♥ t s♦♠ s ♥ ♥r t

rstrt♦♥ ♦♥t♦♥ ts t ♦r♠ Y (a) > d ♦r s♦♠ ♦ d t ♥

①t♥ t♦ t s r tr ①sts ♦♥② ss a0 s♣② t t st

d + 2 s ♥ t♦ r♥t s ❲ ss♣t tt ts ♦♥t♦♥ ♦

♠ ss str♥♥t t t s r② sts ② ♦r t t rstrt♦♥

♦♥t♦♥ ♥s ♦♥ ♦ ♦♥t♦♥s R3R6 ♦ st♦♥ Y (a) < L

sr ♥② ♦♥② ss s♣② t r② t t♦♥ st ♦s

s ♦♥ s i0 s ss t♥ L s♥♥ts ♦r L−1 ♣♥♥ ♦♥ t ♦♥t♦♥

s s µ → ∞ s ♦r

t s strt♦rr t♦ s♦ tt ♥r rstrt♦♥ ♦♥t♦♥ R1 t

♣♦str♦r strt♦♥ ♦r t ♥ ♦♥② sss r s♣② t

st ♦♥ s ♠♣r♦♣r ❲ ♦ ♥♦t ♥♦ t t ♣r♦♣rt② ♦ t ♥tr

Page 64: Phylogenetic Models of Language Diversification...between Bengali, Persian, and 15 European languages, and noted that on the other hand, Chinese, Hebrew, Malay and urkishT have very

s ♥ ♦♥② sss r s♣② t ♠♦r t♥ d + 1 s t t

t s ♥ t s♠ ss♣t t s ♠♣r♦♣r

❲ ♥♦ ♦♥sr t s µ → 0 ❲t tstr♦♣s ♥ t ♣♦str♦r

s ♠♣r♦♣r ♥ ♦r tr t ♦♥ tstr♦♣ ♦♥ r♥ ♥ t

① κ t ♦♦ ♦s ♥♦t ♦ t♦ ♥ µ → 0 s♥ s tr s

q♥t t♦ tr ♥ r♥s q ♥t TC = − log(1 −

κ)/µ ❲ s♦ tt ♦r tr t♦t tstr♦♣s ♥ ♥r rs♦♥

♦♥t♦♥s ♦♥ t t t ♣♦str♦r s ♣r♦♣r ♥ µ → 0 s t♠ t

② s t♦ ss♠ ♦♥② ss ♠st t st ♦♥ t ♦♥ t

tr ♥② ♦♥② ss s ♥♦t ♠♦♥♦♣②t s ts rtr♦♥ ❲

♥♦ ♥ θ = (g, ξ) ♥ ♦♦ ♦♥② t tstr♦♣r trs

ss♠ tt t rstrt♦♥ ♦♥t♦♥ s ♦ t ♦r♠ Y (a) > d ♦r s♦♠ d

❲ s s t♦ ♣r♦♣rts ♦ t ①♣♦♥♥t ♥t♦♥

∀x ∈ R, 1 − e−x ≤ x

∀x ∈ [0, 1], 1 − e−x ≥x

2

s tr♥st ♥t♦

∀µ ∈ R+,∀〈i, j〉 ∈ E, 1 − e−µ(tj−ti) ≤ µ(tj − ti)

∀µ ≤ 1/T,∀〈i, j〉 6= 〈r, A〉, 1 − e−µ(tj−ti) ≥µ(tj − ti)

2

tt 〈r, A〉 s t ♦♦t♠ r♥ ♥ T s t ♣♣r ♦♥ ♦♥

t r♦♦t s♦♥ qt♦♥ ♦s s ∀〈i, j〉 6= 〈r, A〉, tj − ti ≤ T

♥ µ(tj − ti) ≤ 1

Page 65: Phylogenetic Models of Language Diversification...between Bengali, Persian, and 15 European languages, and noted that on the other hand, Chinese, Hebrew, Malay and urkishT have very

s♦ ♥♦t tt

∀〈i, j〉 ∈ E, 1 ≥ P [EZ |Z = (ti, i), θ, µ] ≥ e−µ[(d+1)T ]

t st tr♠ ♦rrs♣♦♥s t♦ ♦♥② ss ♣rs♥t t t r♦♦t ♥ sr♥

♦♥ d + 1 ♣ts ♦ ♥t T s ♦♥ ② ♦ ♥ t ♥t EZ ♦r

qt♦♥s ♥ ♦r ♦♥ ♦♥ t ♥♦♠♥t♦r ♦

〈i,j〉∈E

P [EZ |Z = (ti, i), θ, µ](1 − e−µ(tj−ti)) ≥ e−µ[(d+1)T ] ·µ

2

〈i,j〉6=〈r,A〉

(tj − ti)

≥ e−µ[(d+1)T ]µ

2tr

r tr s t r♦♦t

♥ tr g ♥ ♦♥② ss a s② tt t ♦♥② ss a s

♠♦♥♦♣②t ♥ ♦♥② tr s str h ♦ g s tt a s ♣♦t♥t②

s♣② t t s ♦ h ♥ ♥♦r s ♦ s♣♣♦s tt t st

♦♥ ♦♥② ss am s② ♦r♥ t (ti, i) s ♥♦t ♠♦♥♦♣②t ♥ t st

♦♥ t ♠st ♦rr ♥ t str ♦ (ti, i) ♥t ♦ tt

str s t ♠♦st tr · L s♦ ♦r ♥② ω ∈ Ωam

P [M = ω|Z = (ti, i), θ, µ] ≤ 1 − e−µtrL ≤ µtrL

s s tr ♦r ♣♦ss s ♦ i ♦r 〈i, j〉 ∈ Eam ♦ tr r t

♠♦st L− 1 ♥ ♦r ♣♦ss s ♦ ω ∈ Ωam ♦ tr r t ♠♦st

♦r s ♥ t str t t ♥ ♦r ? ♦r s ♦ts t str t t♥ ♦r ?

Page 66: Phylogenetic Models of Language Diversification...between Bengali, Persian, and 15 European languages, and noted that on the other hand, Chinese, Hebrew, Malay and urkishT have very

2L−3 ♥ s♥ qt♦♥

〈i,j〉∈Eam

ω∈Ωam

P [M = ω|Z = (ti, i), θ, µ](1 − e−µ(tj−ti))

≤∑

〈i,j〉∈Eam

ω∈Ωam

P [M = ω|Z = (ti, i), θ, µ]µ(tj − ti)

≤ µ(trL) · µT · (L − 1) · 2L−3

♦♠♥ t♦ t ♣r♦t ♥ t t ♥ ♦ qt♦♥ t

tr♠ ♦r am ♥ t ♣r♦t ♥ ♦♥

〈i,j〉∈Eam

ω∈ΩamP [M = ω|Z = (ti, i), θ, µ](1 − e−µ(tj−ti))

〈i,j〉∈E P [EZ |Z = (ti, i), θ, µ](1 − e−µ(tj−ti))≤

µ(trL) · µT · (L − 1) · 2L−3

e−µ[(d+1)T ] µ

2tr

s ♣r♦s② r② ♦tr tr♠ ♦ ts ♣r♦t s ♦♥ ② ♥

qt♦♥ ♦♠s ♦r s♦♠ ♦♥st♥t C ′

p(θ, µ|D) ≤ C ′µ(L) · T · (L − 1) · 2L−3

e−µ[(d+1)T ] 12

1

µt2−Lr fG(g|T )

s ♣r♦♣r ♦r µ ∈ [0, 1/T ]

♣♣♦s ♥♦ tt tr r t♦ rstrt♦♥ ♦♥t♦♥s Y (a) > d ♥

Y (a) < L − d′ ♦r ①♠♣ ♥ s♥ t ♥♦tt♦♥ r♦♠ t♦♥ R =

R3 R2 t B t st ♦ s t st L − d′ s♥♥ts

ts r s ♦s t♦ t r♦♦t ♦ t tr ♥qt② ♦s ♥♦t ♦

♥②♠♦r ♦r t s ♥ B

♣♣♦s tt tr s g′ s tt

• r r ss t♥ L − d′ s ♥ g′

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• ❲ ♥ ♣t ♦r ♦♥ T ′ ♦♥ t r♦♦t ♦ g′ ts ♥ ♦♥

tr♦ t ♦♥str♥ts ♥♦ ♦r rt♥ ♥str ♥♦s

t E ′ t st ♦ s ♥ g′ ♥qt② st ♦s ♦r t ♠♥ts

♦ E ′ ♥qt② ♦♠s

〈i,j〉∈E

P [EZ |Z = (ti, i), g, µ](1 − e−µ(tj−ti)) ≥∑

〈i,j〉∈E′

P [EZ |Z = (ti, i), g, µ](1 − e−µ(tj−ti))

≥ e−µ[(d+1)T ] ·µ

2

〈i,j〉∈E′

(tj − ti)

≥ e−µ[(d+1)T ]µ

2T ′

st② ♠♦ rs♦♥ ♦ ♥qt② s♦s tt t ♥tr s

st ♣r♦♣r

r② s♠r r♠♥t ♦s ♦r t s r t rstrt♦♥ ♦♥t♦♥

s ♦ t ♦r♠ Y (a) + Q(a) < L − d′ s µ → 0 s ♦r

♥ t ♦tr ♥ t ♦♥② sss r ♠♦♥♦♣②t t s r

tt t ♣♦str♦r strt♦♥ s ♠♣r♦♣r ♥ µ → 0

♦ s♠ ♣ ♥r t ♣r♦r p(µ, λ) ∝ 1µλ t tstr♦♣s ① ♥

t t rstrt♦♥ ♦♥t♦♥ d < Y (a) < L−d′ t ♦♦♥ ♦♥t♦♥s r

s♥t ♦r t ♣♦str♦r t♦ ♣r♦♣r

tr ①sts ♦♥② ss a0 s tt a0 s s♣② t t st d + 2

r♥t s ♥ r♥t s

tr ①sts ♥♦♥♠♦♥♦♣②t ♦♥② ss am

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tr ①sts g′ s tt tr r ss t♥ L − d′ s ♥ g

♥ ♥ ♣t ♦r ♦♥ T ′ ♦♥ t r♦♦t ♦ g′

s ♦♥t♦♥s r ♠t ② ♥② rst t ♦r ①♠♣ ♥ t ♥

t ❬❪ t ♦r R = R1 0 < Y (a) ♦rrs♣♦♥♥ t♦ d = 0

t♥ ♠♦rtr ♥ t r ♦♥ ♠rt ♦t ♠♥♥

s r ♦♥t ♥ ♥ r♥t s

s ♦♥② ss s ♥♦t ♠♦♥♦♣②t s♥ Prss♥ s ♦♥str♥

t♦ ♥ t t♦ t r ♦♥ t t♦t

t♥ ♥ tr s ♥♦ ♥st♥ ♦ ts ss ♥ Prss♥ t ♦♥②

Prss♥ tr♠ ♦r s s t s ♥ r♥t ♦♥②

ss

r r s sts② t st ♦♥t♦♥ ♦r ①♠♣ t

r♠♥

❲t tstr♦♣s ♥ t ♣♦str♦r s ♠♣r♦♣r ♥ µ → 0 s

t♥ TC → ∞ t t ♥t ♥ ♦ t♦ ♥♥t② t ♥s

♣♣♥♥ ♦♥ tstr♦♣s ♥ ♥♦ ♥ ♦rr♥ tr♦ t ♥♥

♣r♦ss s s ♠♦st s② rs♦ ② ♠♣♦s♥ ♦r ♦♥ ♦♥ µ t

♦ s♦ rs♦ ② ♠♣♦s♥ ♦♥t♦♥s ♦♥ t tstr♦♣s ♦r

ts s ♥♦t ♥ssr② ♥ ♣rt s♥ ♥r ♦sr µ → 0 ♥ ♦r ♥②ss

♠♣♠♥tt♦♥ ♥ t

st♦st ♦♦ ♠♦ sr ♥ ♣tr s ♠♣♠♥t ♥ t

② ♦ ♦s ❲ ♥ ts t♦r rst♥ ♥ ♣ ♦

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♣♦♠♥ s♦tr ♥♠ rt tr tstr♦♣s ♥ ♠♦

♣r♠trs r st♠t ♦♥t② r♦ ♥ ♦♥t r♦ s sr

♥ t♦♥

rt ts s ♥ ①s ♦r♠t t ♥②ss t t ♥r t

st♦st ♦♦ ♠♦ t ♦♣t♦♥s t♦ ♥ s♦♠ ♦r t ♦♥str♥ts

♥ t ①s s s t♦ ① s♣ trts ♦r ♥s ♥s♦♥

♦ tstr♦♣s s ♦♣t♦♥ ♥ t sr ♠② ♦♦s t♦ ♥ ♠ss♥ t

♦rrt② ♦r t♦ trt ♠ss♥ t s s♥t r♣♥ s t s

t ♠② s②♥tt③ r♦♠ t ♠♦ rt② r♦♠ t r♣ ❯sr

♥tr ❯ ♦st ♦ t t②♣s ♦ ♦t♦♠♦ t sr ♥ ♣tr

♠② s♦ s②♥tt③ rt② r♦♠ t ❯ ♥♥ t t ♦rr♦♥

♥ t ♠ss♥ ♥ ♦s

♥②ss ♣rt ♦ t ❯ s t♦♦s t♦ ♦♥r♥ ♥ ♠①♥

♦ t t t♦♦rrt♦♥s ♣♦ts ♦r s① sttsts t r♦♦t tr t

t rt µ t tstr♦♣ ♣r♠trs ρ ♥ κ t ♦♦♦ ♥ t

♣r♦r r t♦♦s ♦r ♥②ss ♦ t t r ♥ ♥♥ t t②

t♦ ♦♥strt ♦♥s♥ss trs ♦r tstr♦♣ ♠♦s s sr ♥ ♣tr

♥ ♦♣t♦♥ ♦s t♦ s rsts t♦ ♦r♠t ♦r s ♦ sr♥

r♦ ♥ ♦♥t r♦

❲ s r♦ ♥ ♦♥t r♦ t♦ s♠♣ t ♣♦str♦r

strt♦♥ ♥ st♠t s♠♠r② sttsts ❲ ♦ ♥♦t st♠t λ

♥trt ♦t ♦♦♥ qt♦♥ stt s t♥ x =

((E, V, t, k), µ, κ, ρ, ξ)

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♥ ♣r♦r strt♦♥ p ♥ ♦♦ ♥t♦♥ L(·|D) t strt②

♥ r♦ ♥ ♦♥t r♦ s t♦ r♦ ♥ ♦s stt♦♥r②

strt♦♥ s t ♣♦str♦r strt♦♥ s t♦ s♠♣ r♦♠ t xn

t stt ♦ t r♦ ♥ t st♣ n t stt xn+1 s ♦♥strt s ♦♦s

Pr♦♣♦s t♦ ♠♦ r♦♠ xn t♦ x′ r x′ s r♥ r♦♠ ♣r♦♣♦s

strt♦♥ q(x′|xn)

♦♠♣t

α = min

(

1,p(x′)L(x′|D)q(xn|x

′)

p(xn)L(xn|D)q(x′|xn)

)

.

t xn+1 = x′ t ♣r♦t② α ♥ xn+1 = xn t ♣r♦t② 1 − α

❯♥r ♦♥t♦♥s ts r♦ ♥ ♦♥rs t♦ t ♣♦str♦r strt♦♥

♦r t ♣r♦♣♦s strt♦♥ s t ♠♦s sr ②

r♠♠♦♥ t ❬❪ ♥ ♦s ♥ r② ❬❪ t♦ ♠♦s

t♦ t ♥t♦ ♦♥t ♦r t♦♥ ♣r♠trs r ♦♠♣t st ♦

♠♦s s s ♦♦s str ♥♦ts ♠♦s ② t ♣rs♥t t♦r

• ♦s ♦♥ t t♦♣♦♦②

①♥ t ♣♦st♦♥s ♦ t♦ ♦s ♥♦s ♥♦ ♥ ts ♥

t ♦ ts s♥

①♥ t ♣♦st♦♥s ♦ ♥② t♦ ♥♦s

♦ str t♦ ♦s ♣♦st♦♥

♦ str t♦ ♥② ♦tr ♣♦st♦♥ ♥ t tr

• ♦s ♦♥ t s

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♥ t ♦ ♥ ♥tr♥ ♥♦

♥ t ♦ ♥♦♥♠♦r♥

s t ♦ tr

s str

s t t♦♣ ♦ t tr

• ♦s ♦♥ tstr♦♣s

♥ tstr♦♣

t tstr♦♣

♦ tstr♦♣ t♦ ♥♦r♥

• ♦s ♦♥ t ♣r♠trs

♥♦♠ ♦ s ♦ t t rt µ

♥♦♠ ♦ s ♦ t tstr♦♣ rt ρ

♥♦♠ ♦♥ [0, 1] ♦r t tstr♦♣ t ♣r♦t② κ

s t ♠ss♥ t ♣r♠tr ξi ♦r s♥ i

s t ♥tr t♦r ♦ ♠ss♥ t ♣r♠trs ξ

♣r♦t② 0 < ξi < 1 ♦r ♥ ♠♥t ♦ t rstr t ♠tr① t♦

♦sr s ♦r ♠♥② s ♦s t♦ ♦♥ s♦ ♣t t♦s ♣r♠trs

② s♥ 1 − ξi ❲ s♦ ♥ ♠♦ ss ξi i = 1 . . . L

s♠t♥♦s② ② r♦♠ ② t♦r ♦ η r η ∼ U([1/2, 2]) ♥ ts

s t ♦♥ ♦r t tr♥s♦r♠t♦♥ r♦♠ (ξ1, . . . , ξL, η) t♦ (1 − η(1 −

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r ♥ ①♠♣ ♦ ♠♦ ♠♦♥ tstr♦♣ r♦♠ ♥ t♦ ♦♥ ♦ ts ♥♦rs

ξ1), . . . , 1 − η(1 − ξL), 1/η) s ηL−2 s♦ t ♣t♥ ♣r♦t② s

α(x′|x) = min

(

1,p(x′|D)

p(x|D)ηL−2

)

♦r t t♦♥ ♥ t♦♥ ♦ tstr♦♣s ♦ ♥♦t ♥ t♦ s

rrs ♠♣ r♦ ♥ ♦♥t r♦ s t stt t♦r s♣s t

♥♠rs ♥ ♥♦t t ♦t♦♥s ♦ tstr♦♣s ♦♥ s

❲ ♦♠t t ts ♦ ts ♠♦s t s ♥ ①♠♣ t ♣t

tt ♠♦s tstr♦♣ r♦♠ ♥ t♦ ♣r♥t ♦r s♥

t kT =∑2L−2

i=1 ki t t♦t ♥♠r ♦ tstr♦♣s ♥ stt

x = (g, µ, κ, ρ, ξ) t g = (V, E, t, k) ♣ 〈i, j〉 ∈ E t ♣r♦t②

ki/kT t E〈i,j〉 t st ♦ s ♥♦r♥ 〈i, j〉 s♥ ♥

♣r♥t s t ①♥ t 〈r, A〉 s♥ ♣t ♥♦ tstr♦♣s ♦♥

ts ♦ ♥♥t ♥t ♥ t qi = r(E〈i,j〉) ❲ ♥ ♥r qi = 4

♦r ♦r i t ♥① ♦ ♥♦ qi = 2 ♣r♥t s♥ ♥♦ r♥

j s t r♦♦t ♥ i s ♥♦♥ t♥ qi = 3 s♥ r♥ ♥ j s t

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r♦♦t ♥ i s qi = 1 s♥ ♦♦s ♥♦r♥

〈i, j〉 ♥♦r♠② t r♥♦♠ r♦♠ E〈i,j〉 ♥ ♠♦ ♦♥ tstr♦♣ r♦♠ 〈i, j〉 t♦

〈i, j〉 ♥t stt s x′ = ((V, E, t, k′), µ, κ, ρ) t k′i = ki − 1 ♥

k′i= ki + 1 ♥ k′

l = kl ♦r l 6= i, i s ♠♦ s ♣t t ♣r♦t②

α(x′|x) = min

(

1,qi k

′ip(x′|D)

qi ki p(x|D)

)

.

r♦ ♥ ♦♥t r♦ ♣rs♥ts t♦ sss t ♥ s♠♣s r♦♠ t

♣♦str♦r strt♦♥ ♦♥② ♦♥ t s r qr♠ ♥ t s♠♣s

t ♦t♣ts r ♥♦t ♥♣♥♥t ❲ ssss ♦♥r♥ t t s②♠♣t♦t

♦r ♦ t t♦♦rrt♦♥ ♦r t ♣r♠trs µ κ ρ ♥ tr ♥ t

♦♦♦ s sst ② ②r ❬❪ ♥ r♦ ♥ (Xn) r♦♠

r♥ ♦ ♥t Nsamp ♥ ♥ sttst S t t♦♦rrt♦♥

♥t♦♥ rS ♥ t ♥trt t♦♦rrt♦♥ t♠ τS r ♥ s

rS(t) =cov (S(Xn), S(Xn+t))

var(S)

τS =+∞∑

t=−∞

rS(t).

❲ st♠t τS ② rstrt♥ t s♠ t♥ −M ♥ M ♦r s♦♠ M

1 ≪ M ≪ Nsamp ♥ Nsamp/τ s t t s♠♣ s③ ♠sr ♦

t s③ ♦ ♥ ♥♣♥♥t s♠♣ ♦ ♣r♦ t s♠ r♥ ♦

t s♠♣ ♠♥ s t s♠♣ ♦t♣t ② t s ♠t♦ ♥ts

tt ♥ s r♥s ♦ ♦t ♠♦♥ s♠♣s t♥♥ ♦♥ t♦

s♠♣s s♦ t t r♥ ♦r ♠♦♥ s♠♣s ♥ tt

t ♦♠♣t sttsts ♥♦t r② s ♥ ①♠♣ ♥ r

Page 74: Phylogenetic Models of Language Diversification...between Bengali, Persian, and 15 European languages, and noted that on the other hand, Chinese, Hebrew, Malay and urkishT have very

0 20 40 60 80 100−0.2

0

0.2

0.4

0.6

0.8

1

1.2

ROOT TIME τf=7.8414 M=8 N=901

auto

corr

elat

ion

lag0 200 400 600 800

6500

7000

7500

8000

8500

9000

9500

10000

10500

11000

11500MCMC output trace

MCMC updates

r ♦♠ ♦ t ♦t♣t s t♦ ssss ♦♥r♥ ♦r t rsts s♦♥♥ t♦♥ s t♦ ♣♦ts ♣ t♦ s③ sttst S r t r♦♦t tr r♥ ♦ ♠♦♥ s♠♣s s t♥♥ ♦♥ t♦ Nsamp = 1000 s♠♣s ♦ t rst r sr s r♥♥ ♦r t r♠♥♥ s♠♣st t ♣♦t s♦s t t♦♦rrt♦♥s rS(t) ♥st t t♦ ♦tt r ♥s♠t r ♥tr ♦r t ♦rrt♦♥ ♦ ♥♣♥♥t s♠♣s s♦tt ♦♥ t t♦♦rrt♦♥ s t♥ ts t♦ ♥s t ♦t♣ts♠♣s r q♥t t♦ ♥♣♥♥t s♠♣s rt ♣♦t s♦s t tr♦ t r♦♦t ♥ t ♦t♣t

♣rt ♦ t ♦t♣t s t♦ ssss ♦♥r♥ ♦r t rsts s♦♥ ♥

t♦♥

♥ tsts

❲ ♠ ♥♠r ♦ ♥ s ♦♥ ♦r ♦ ❲ ♥②s ♥ ♠♣t②

t ♥ st t ♦♦♦ t♦ t♥ tt t ♣♦str♦r

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strt♦♥s ♦r t t ♣r♠tr µ t tstr♦♣ ♣r♠trs ρ ♥

κ ♥ t r♦♦t tr r ♥t t♦ t ♣r♦r strt♦♥s ♥ s♠ trs

t s♠ t sts t ♦♦ ♥ ♦♠♣t ② ♥ t

rsts r♦♠ ♦r ♦ ♥st ♠♥ t♦♥s ♦r t sts t

♦r trts ♦♥ tr t s

♥ tr t s ♥rt ♣♦ss rstr t sts t

♥♦♥③r♦ ♣r♦t② ♥♥ ♣♦ss ♣ttr♥s ♦ ♠ss♥ t ♦♦♥

rstrt♦♥ r R1 r♦♠ t♦♥ ❲ ♦s t rt s♦ tt

t ♦♦ ♦ t sts ♥ ♦r ♠♦r trts sr s ♥

❲t ♣r♠trs ① tt t ♦♦s ♦ t sts

s♠♠ t♦ s s r② strt rqr♠♥t ♥② t♦ sts tr

r s ♦r ♣♦♥t♣r♦ss ♦ t ♥ ♠♦♥ ♦r t ❲ r♣t ts

t rstrt♦♥ r R2 s ♣r♦s ♦ t ♠t♠t rt♦♥

s s ♦ t ♦

♥②ss ♦ s②♥tt t r ♣rs♥t ♥ ♣tr

Page 76: Phylogenetic Models of Language Diversification...between Bengali, Persian, and 15 European languages, and noted that on the other hand, Chinese, Hebrew, Malay and urkishT have very

♣tr

❱t♦♥

♥ ts ♣tr ♣rs♥t rsts s♦♥ t t② ♦ ♦r ♠t♦s s♥

s②♥tt t s s r♦sst♦♥ ♦♥ t r t st ♦t ② ♥

t ❬❪

♥ ♥②ss t s♠♣ r♦♠ t ♣♦str♦r strt♦♥ ♦♥ trs s

s♠♠r③ t ♦♥s♥ss tr s♦s s♣ts t t st

s♣♣♦rt ♥ t ♣♦str♦r s♠♣ ❲♥ t s♣♣♦rt ♦r s♣t s t♥

♥ t s♣t s ♥ s♣ts r t st s♣♣♦rt

♥ t ♣♦str♦r s♣② ♥t ♦ r♥ s t r ♥t ♦

tt r♥ ♥ t ♣♦str♦r ♦♥t♦♥ ♦♥ tt r♥ ①st♥ ts ♠♥s

tt t t♠ ♣ts s♦♥ ♦♥ ♦♥s♥ss trs ♥ ♦s♦♥② ♦♥s♥

s♣② ♥ tr s ♥rt♥t② ♥ t t♦♣♦♦② ♥♠r ♦

tstr♦♣s s♣② ♦♥ r♥ s t r ♥♠r ♦ tstr♦♣s ♦♥

tt r♥ ♥ t ♣♦str♦r s♠♣ ♦♥t♦♥ ♦♥ tt r♥ ①st♥ ♥

r♦♥ t♦ t ♥rst ♥tr s♠♣s r♦♠ t ♣♦str♦r strt♦♥

♦r t ♣r♠trs ♦ t ♠♦ r s♠♠r③ t tr st♦r♠s r♦♠

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t ♣♦str♦r ♦r st Pr♦t② ♥st② P ♥trs

♥♠♦ tst♥

❲♠ ♥♠r ♦ tsts s♥ s②♥tt t tt♥ t ♠♦ t♦ s②♥tt

t s♠t ♦r♥ t♦ t ♦♦ P (D = D|g, µ, λ, ρ, κ, ξ,D =

R(D)) ♥♠♦ t s♦s s st ♦ ♥♦r♠t t t s ♦r t

t♦♣♦♦② ♥♦ s tstr♦♣ ♣♠♥t ♥ ♣r♠tr s s s

♠♥ ♦♥ ♦r ♠♣♠♥tt♦♥

♦r rt② rst ♦♦ t t s♠t ♦♥ trs t tstr♦♣s t

r ♥♦ t ♦ ♠ss♥ t♥ t t s♠t ♦♥ trs t ♥♦ tstr♦♣s

t r s♦♠ t ♦ ♠ss♥ rsts st ♦ ♥ ♦t sss r

♦♠♥

tstr♦♣s

❲ s♠t t ♥r ♦r ♠♦ ♦r r♥t s ♦ λ µ κ ♥ ρ ♥

♦rr t♦ ①♣♦r t r♥t ♣♦ss s♥r♦s ♦ rt tr♦♥t② s s

r tstr♦♣s ♦r ♠♥② s♠ tstr♦♣s ❲ s②♥ts③ t ♦r

♥s t ♦♥ r λ/µ = 100 trts ♣r ♥ ♥

♦♥str♥ts t r t sts ♥②s ♥ ♣tr ♠♦r trts t♥

ts ❲ st µ = 2 · 10−5 ts②r s♥ t st♠ts ♦r tt ♣r♠tr

♥ ♣tr r r♦♥ tt ❲ st s♠ κ = 0.1 ♠♠ κ =

0.2 ♥ r κ = 0.5 tstr♦♣s ♦rrs♣♦♥♥ t♦ tstr♦♣s q♥t

t♦ ②rs ②rs ♥ ②rs ♦ ♥ rs♣t② ❲ st

s ♦ t tstr♦♣ rt ρ ♦rrs♣♦♥♥ t♦ rr tstr♦♣s t♥

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♥ tstr♦♣s ♦♥ tr t r♥s ♦s♦♥ tstr♦♣s

r♦♥ tstr♦♣s ♦♥ t tr ♥ r② rq♥t tstr♦♣s ♣ t♦

tstr♦♣s ♦♥ t tr ♦r ♦t ♣r r♥ ♦♥ r s♦

st ♣r♠tr s t♥ r♦♠ t ♣♦str♦r strt♦♥ ♦r ♦r ♥②ss

♦ t ♥ t ❬❪ t sr ♥ ♣tr ❲ s♦ t②♣ rsts

♥ rs ♥ tr t♦♣♦♦② s ♠♦st ♣rt② r♦♥strt

♥ r② s t ♣♦st♦♥ ♦ tstr♦♣s s ♣rt② r♦♥strt t

♣♦str♦r t♦♥s ♦ t ♣r♠trs r ♦s t♦ t tr s s

r♠♥s tr ♦r rt② ♦ ♣r♠tr s

❲♥ tstr♦♣s r ♣rs♥t ♥ t tr tr t s♥ ♦r t♠ s str♦♥

❲ s t♦ t ♥♥ ♦ tstr♦♣s ♦♥ ♦r r♦♥strt♦♥s s♦

tr tt♥ ♠♦ t♦t tstr♦♣s t♦ t ♥ t ♦

t tstr♦♣s r s t②♣ ♦ ♥♦t ♥ tstr♦♣s ♥

t ♠♦ ♦r r♦♥strt ♣r♠trs r♦♦t ♥ t rt µ r r②

r r♦♠ t tr s r♦♥strt t♦♣♦♦② s s♦ ♠ rtr r♦♠

t trt t♥ ♥ t t ♠♦ t tstr♦♣s

♦t tt ts rsts s♦ s♦ tt ♦r ♠t♦s r ♥♦t st t♦

t rts♠s ♦ st ❬❪ ♦ ♠ tt sss ♦ rt tr♦♥t②

♠♥t tt ①♦sttsts ♦s♥t ♦r tt t t♦♣♦♦② ♦ t tr

♥♥♦t r♦♥strt tr♦ sttst ♠♦♥ ♠♥ ss rs

② st ❬❪ s t② ♦♥ r♥ ttrt♦♥ ♦ s ♥♦tt♦♥ s

r♥t s ♦♥r♥ t trs s s t ♦♥ s♦♥ ♥ r ❲♥

tr s ♥♦ rt tr♦♥t② t ♠② ♣♣r tt ♥ s ♦sr t♦

♥s ♥ t♥ t♦ ♥ ts tr s♥ ♥ tt ♥

tr♦r ♥ ♣ tr s② r♦♣ t ♥ ♦r s② s

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r ♠t♦♥s ♦ s②♥tt t s♦ t r♦st♥ss ♦ t ♠♦ ♥ tr trs ♥ r♦♥strt ♦♥s♥ss trs ♦♥s♥sstrs r r② ♦s t♦ t tr trs ♥ t r♦♥strt tstr♦♣s r ♦♥t ♦rrt r♥s

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(a) (b)

(c) (d)

r ♠t♦♥s ♦ s②♥tt t s♦ t r♦st♥ss ♦ t ♠♦s♠♣s r♦♠ t ♣♦str♦r ♦r t r♦♦t tr t t rt µ tt ♣r♦t② t tstr♦♣ κ ♥ t tstr♦♣ rt ρ r ♦st♦ t tr s s♦♥ r ♥ r

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1

2

3

4

56

7

8

9

1011

12

1314

1516

17

18

1920

True tree

0 5 1015202530354045 (a) (b)

20

19

5

4

3

2

1

18

17

11

6

910

13

12

14

16

15

87

80

90

8181

52

92

0 2 4 6 8 1012 (c) (d)

(e)

r ♠♣♦rt♥ ♦ ♥♥ t tstr♦♣s ♥ t s②♥ts③♥r tr tr t tstr♦♣s s r♦♥strt ② ♠♦t tstr♦♣s s s♦♥ ♥ t ♦♥s♥ss tr tr t♦ t ♠♦t♦t tstr♦♣s t♦♣♦♦② s♦♦♥ ♥ t ♦♥s♥ss tr r♦♦t tr ♥ t rt µ r ② r♦♥strt

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A

B

C

D

r ♦r ♥ s ♣♣♥ ♦♥ t r♥s ♥ t♦ ♥ t♥ ♦♥ t r♥s ♥ t♦ ♥ st ❬❪ s ♦♥r♥ tt sstt♦♥s t♦ sr♦♣ s♣tt♥

♥ s♦t st ❬❪ s ts sr♦♣ s♣tt♥ r♦♥strt♦♥s

♦ s♦ tt rt tr♦♥t② ♥ tt ♥ ♥ ♥♦t t♦ s

r♦♣♥s ♦rst tt ♥ ♣♣♥ s tt t♦♦ ♠ ♥ ♦rs tr

♥rt♥t② ♥ t r♦♥strt♦♥ t ts s ♦ ♦rs tr ♦ ♥②

♠t♦ ♦r ①♠♣ ♥ r t str ♦♥t♥♥ ♥s

♥ rs♠s r ♥ s ♦rrt② r♦♥strt s ♥rt♥

♥ r ♥ t ♦tr ♥ ♥ r t str ♦♥t♥♥

♥s ♥ s ♥♦rrt② ♥ ♦♥♥t② r♦♥strt

♥ r ♥ tstr♦♣s r ♥♦t t♥ ♥t♦ ♦♥t

ss♥ t

t s ♥ ts st♦♥ r s②♥tt③ s♥ t ♠♦ sr

♥ ♣tr t ♥♦ tstr♦♣s ♥ t s ♠ss♥ t

♣r♠trs ξi i = 1 . . . 20 r r♥ r♦♠ Beta(3, 1) strt♦♥ rstrt

t♦ t r♥ [0.05, 1] s♥ ts ♦rrs♣♦♥s r♦② t♦ t ♣r♦♣♦rt♦♥s ♦

♠ss♥ t ♦sr ♥ r t sts

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19

20

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1415

1

910

2

7

13

17

18

6

1112

0 500 10001500200025003000

9

10

2

13

18

17

7

6

11

12

1

14

15

8

16

20

19

5

3

4

0 500 1000150020002500

r r ♥ ♦♥s♥ss tr ♦r s②♥tt t t s♦♠ t ♠ss♥t t s

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r tr s ♦ t ♣r♠trs ξi i = 1 . . . 20 P♥trs r♦♠ t ♣♦str♦r strt♦♥

r s♦s t tr tr s t♦ s②♥tt③ t t ♥ t

♦♥s♥ss tr r♦♠ ♦r ♥②ss t♦♣♦♦② s ♠♦st ♣rt② r♦♥strt

t ♦♥② ss ♥ tt t t♦♣♦♦② ♦ t str t s ♥

s ♥ r s♦s t tr s ♦ t ξi i = 1 . . . 20 ♥

P ♥trs r♦♠ t ♣♦str♦r s♠♣s t ♣r♠trs r

♦r ② t P ♥tr ♥ ♦♥ s ♥♦t r s♦s tt t r♦♦t

t♠ ♥ t ♣r♠tr µ r s♦ r♦♥strt

s ♥②ss ♦♥ ♥♠♦ s②♥tt t s♦ tt t s♠t

♦♦♥ ♦r ♠♦ ♥ ♦ t s③ tt t②♣② ♦sr ♥ r t sts

♦♥t♥ rt ♦ s ♥♦r♠t♦♥ ♦t t t♦♣♦♦② tstr♦♣

♣♠♥t ♥ ♠♦ ♣r♠trs t st ♦r t ♣r♠tr r♦♥s

♦♥sr

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2600 2800 3000 3200 3400 3600

ROOT TIME

1.9 2 2.1 2.2 2.3 2.4 2.5

MU

r tr s ♦ t r♦♦t t♠ t ♥ ♦ t t ♣r♠trµ st♦r♠s r♦♠ t ♣♦str♦r s♠♣ s s ♥♦t st①♠♣ t s s♠♣② t rst ♦♥ ♥rt

Page 86: Phylogenetic Models of Language Diversification...between Bengali, Persian, and 15 European languages, and noted that on the other hand, Chinese, Hebrew, Malay and urkishT have very

t♦♠♦ tst♥

❲ t ♦t♦♠♦ t s♦ s r s②♥tt t s♠t ♥r ②

♠♦♦t♦♥ s♥r♦s ♥ r s t♦ ♥t② s♦rs ♦ s②st♠t s

♦rr♦♥

♦rr♦♥ t♥ ♥s s rq♥t ♣♥♦♠♥♦♥ ♦ ♥♦t

♥ ♥ ♦r ♠♦ ♥ t♦ t s ♦ ♦rr♦♥ ♦r ♦r ♦r②

r ♠ ♦r t♥ ♦r ♥r ♦r② ❬♠t♦♥ ❪ sr ♦r

♣♦t♥t s②st♠t s ❲ s♠t t t r♥t s ♦ ♦rr♦♥

♥r t♦ r♥t ♠♦s ♦ ♦rr♦♥ ♦ ♥ ♦ ♠♦ ♦

♦rr♦♥ s s s ♦♦s ♦rr♦♥ ♥ts ♦r t rt bµ ♥

♥ ♦r s♦♠ ♦ ♦rr♦♥ b t ♦rr♦♥ ♥t t t♠ t ♥

♥ l1 ♥ l2 s ♦s♥ ♥♦r♠② t r♥♦♠ ♦♥ trt s ♦s♥

♥♦r♠② t r♥♦♠ ♠♦♥st t♦s ♣rs♥t ♥ ♥ l1 t t♠ t ♥ t

s ♦♣ ♥t♦ l2 t trt s r② ♣rs♥t ♥ l2 t♥ tr s ♥♦ t

❯♥r t ♦ ♠♦ ♦rr♦♥ ♥ ♦r t♥ ♥② t♦ ♥s

❯♥r t ♦ ♠♦ t ♥ ♦r ♦♥② t♥ ♥s s♣t ss

t♥ Tb ②rs ♣r♦s② s Tb = 1000 ②rs ts s r ♣r♦①② ♦r

♦r♣ ♣r♦①♠t② s ♠♦ ♦ ♦rr♦♥ s s♣ ② ♦s ♥

r② ❬❪ ♦ s♦ ♦rr♦♥ ♦r s♠♣ ♠♦ t ❲ ♦♦

t ♦ s b = 0.1 ♥ s b = 0.5 ♦ ♦rr♦♥ ❲ ♥♦t

♦♥sr tstr♦♣ ♦rr♦♥ ♥ ♦♥ ♥ ♦ ♦rr♦ ♠♥②

♦rs r♦♠ ♥♦tr ♥ ♥ s♦rt ♠♦♥t ♦ t♠ s ❲r♥♦ t

❬❪ rsts ♣rs♥t r r ♦r t ♦ ♠♦ rsts ♦r t ♦

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♠♦ r r② s♠r

♠r sts s♥ ts ①t ♠♦ ♥ ♣r♦r♠ ② r♥

t ❬❪ ♦ s♦ ♦♥ tt t s ♦ ♦rr♦♥ ♦ ①♣t

♥ ♦r ♦r② r ♥② t♦ ♥tr♦ s♥♥t s②st♠t s ♥

♥ t♦♣♦♦② st♠ts ♥♥ t ❬❪ s♦ ♥ ♥ ♦ s

♥ r♦♥strt♦♥s ♦r t t s ♦ ♦rr♦♥

♦r b = 0.1 t t♦♣♦♦② s r♦♥strt t ♦♥② ♠♥♦r r♥s

t♥ t tr tr ♥ t ♦t♣t r ts

tstr♦♣s ♥ ♣r♠trs r s♦ ♦rrt② r♦♥strt s s t②♣

s♦ t t ♦ ♦ s ♦ ♦rr♦♥ s ♥ ♥r ♦t ♦ ♥

♦ ♠♦s ♦ ♦rr♦♥ ♦r b = 0.5 t t♦♣♦♦② s sr♣rs♥②

r♦♥strt ♥ t ①♠♣s ♦♦ t ♥ t ♠♦♥t ♦ ♥♦s

♥ t t r ♦r ♦♥ tt ♦r b = 0.5

s②st♠t② ♥rst♠t t r♦♦t ♥ ♦rst♠t t rt

♣r♠trs ② ♣ t♦ r s s ♦ tt ♦♥r♥ t♦ s

s♥ rs♦♥ t♦ tt ♥♦ s s ♦ ♦rr♦♥ ♦rr

♥ t t r ♥②s♥ ♦r ①♠♣ ♥s s ♦t♥ t s ♥

♦rr♦ ♦t ♦ ts ①♦♥ t s st♠t tt ♦ ts ①♦♥ s

♦rr♦ r♦♠ ♦♠♥ ♥s ♠♥② r♥ ♥ t♥ t ♦r t

♦♥② ♦♥t♥s t ♦r ♦r② ♥② ♦ t ♦r ♦r② ♦ ♥s

♦♠s r♦♠ ♦rr♦♥ ❬♠t♦♥ ❪ rtr♠♦r ts ♦rr♦♥s r

s② t♦ tt tr♦ ♣♦♥♦♦ rrrts ♥ r r♠♦ r♦♠ t

t

♥ t ♦tr ♥ r② s ♦ ♦r③♦♥t tr♥s♠ss♦♥ ♥

①♣t ♥ rt♥ tr t sts s s t s♣r ♦ ♦rstr

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r ♥♥ ♦ ♦rr♦♥ ♦ s ♦ ♦rr♦♥ ♥ ts ♦♥ t t♦♣♦♦② ♥ t ♣r♠tr st♠ts s ♦ ♦rr♦♥ st ♦ t♦ r♦♥strt ♠♦st ♦ t t♦♣♦♦②t t r♦♦t ♥ ♣r♠tr st♠ts s♦♥ r ♦r b = 0.5 r s

Page 89: Phylogenetic Models of Language Diversification...between Bengali, Persian, and 15 European languages, and noted that on the other hand, Chinese, Hebrew, Malay and urkishT have very

♥ ♠r ❬♦ ❪ ♦r ♦ trts ss♦t t s♠ ♥ st r

❬♥s♠♥r ❪ ❲ ♦ tr♦r ①♣t ♦r ♠t♦s t♦ ♣r♦r♠ ♣♦♦r②

♦♥ s tsts

s rsts t qst♦♥ ♦ ♦ tt t sts t

s ♦ ♦rr♦♥ t♦ ♦ ♥♦t ♣rs ♠sr t♦ sst

t strt♦♥ ♦ t ♥♠r ♦ ♥s ♣r ♦♥② ss s♠s ♣

❲ s②♥tt③ t t ♦rr♦♥ b = 0, 0.1, 0.5 ♥ ♦♥ tr s♠♣

r♦♠ t ♣♦str♦r ♦r ♦r ♥②ss ♦ t ♥ t ❬❪ t ♥s

t ♣r♠trs s♦ t♥ r♦♠ t ♣♦str♦r r s t ♠t

strt♦♥ ♦ t ♥♠r ♦ ♥s t ♦♥② ss ♣♣rs

s♦ ♥ t strt♦♥ ♦r t ♥ t ❬❪ t s ♦♥ ♦

①♣t r s ♦ ♦rr♦♥ ♠ ♦♥② sss ♣♣r t ♠♦r s

r s r r♥ t♥ t r♦s r♣s ♥ ♦ s t♦

tt t t ♦rr♦♥ r♣ ♦r ♥ t ❬❪ t s r② ♦s

t♦ t r♣s ♦r s②♥tt t tt ♦r ♥♦ ♦rr♦♥ ♥ ♥ t ♥sts

st♠ts ♦ ♦rr♦♥ ♥ t ♥♦r♦♣♥ ♦r ♦r② ❬♠t♦♥ ❪

t s♦ ♥♦t tt t strt♦♥ ♦ t ♥♠r ♦ ♥s ♣r

♦♥② ss ♣♥s ♥♦t ♦♥② ♦♥ t ♦ ♦rr♦♥ t s♦ ♦♥ t

t♦♣♦♦② ♥ ♦tr ♠♦ ♣r♠trs ♥ ♦rr t♦ tt ♦rr♦♥ ♥ t

st tr♦r sst t♦ rst ♥②s t t t♥ ♦♥strt s②♥tt

t sts s♥ tr ♥ ♣r♠tr s r♦♠ t ♣♦str♦r ♥ t r♦s

rs ♦ ♦rr♦♥

t ② ♥♥ t ❬❪

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2 4 6 8 10 12 14 16 18 20 22 240.4

0.5

0.6

0.7

0.8

0.9

1

Ringe 100

b=0

b=0.1

b=0.5

b=1

r ♠t ♣r♦♣♦rt♦♥ ♦ t ♥♠r ♦ ♥s t ♦♥② ss s s♣② ♦r s②♥tt t t r♦s s ♦ t♦rr♦♥ ♣r♠tr b ♥ ♦r t r t r♦♠ ♥ t ❬❪

♥♥ t♦rs

r ♠♦ ♥♦rs t t tt t t r r♦♣ ♥ ♠♥♥ t♦rs

s s t♦ sr sss

❲ trt ♦♥t sss s ♥ ♥♣♥♥t r♦♠ ♦tr

♦r t s ② tt ♦♥t sss t♥ ♦♥ ♠♥♥ t♦r②

r ♥♦t ♥♣♥♥t ♥ ♣rtr t ♣r♦t② ♦r ♦r t♦ ♦t

s ♣rs♠② r s②♥♦♥②♠ ①sts ♥ t ♥

r ♠♦ ♦s ♦r ♥ t♦ ♥♦t ♥② ♦r ♥ ♥ ♠♥♥

t♦r② s ♥② t♦ ♣♣♥ s♥ r ♥ t ♦r

♦r②

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❲ ss♠ tt t ♦ ♠ss♥ ♥♦r♠② t r♥♦♠ t② t②

♦ ♠ss♥ ♥ ♦s ♥ s qst♦♥ ♠r ♦r ♥

♦♥t ss t s② ♠♥s tt ♦ ♥♦t ♥♦ t ♦rs ♦r

tt ♠♥♥ t♦r② ♥ tt ♥ ♥ t ♥ s②

s♦ qst♦♥ ♠rs ♦r ♦tr ♦♥t sss ♥ tt ♠♥♥

t♦r②

❲ ♥♦t tst ♦r s②st♠t s rs♥ r♦♠ t ss♠♣t♦♥ tt

♠♥♥ t♦rs r ♥♣♥♥t ♦ tst ♦r s②st♠t s rs♥

r♦♠ t ss♠♣t♦♥ tt ♦♥② sss t♥ ♠♥♥ t♦r② r

♥♣♥♥t s♠t s②♥tt t t♥ ♥t♦ ♦♥t t ♠♥♥

t♦r② strtr ♥ tt♠♣t t♦ r♦♥strt t ♣r♠trs ♥ tr

ts ①♣♥s ♦♥ ♥ ♥②ss ② ♦s ♥ r② ❬❪

r ♠♦ ♦r rst♦♥ t ♠♥♥ t♦rs s s♠r t♦ t

♠♦ sr ♥ ♣tr t t♦ ♠♦t♦♥s rst ♥

♠♥♥ t♦rs ❲♥ ♦r ♥ ♥ s t♦ tr t

s t st ♦r ♥ tt ♥ ♦r tt ♠♥♥ t♦r② t s s♠♣②

♥♦r t t ♥t s ♠♥s tt t ♥② ♣♦♥t ♦♥ t tr tr s t

st ♦♥ ♦r ♣r ♠♥♥ t♦r② t s♦ ♠♥s tt t t t rt

s ♦r t♥ t t rt ♥ s♦ s♦ ♥♦t ①♣t ♦r st♠t

♦ t ♣r♠tr µ t♦ ♦rrt ♦♥ s♠t t ♠ss♥ ♥ ♦s

♥ i ♥ ♠♥♥ t♦r② t ♦r tt ♠♥♥ t♦r② t

tt ♦ ♠ss♥ s♠t♥♦s② t ♣r♦t② ξi ♥ t ♦r tt

♠♥♥ t♦r② t tt r ♦rrt② rstr t ♣r♦t② 1 − ξi

ts rs t♦ t ♠♦ t s♥ tr ss♠ tt t r♥t ♦♥②

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r r tr ♥ ♦♥s♥ss tr ♦r s②♥tt t t ♠♥♥t♦rs ♠♣♦s

sss ♥ t s♠ ♠♥♥ t♦r② ♦ ♠ss♥ ♥♣♥♥t② ♦ ♦tr

♦t tt st ①♣t t♦ s rs♦♥ st♠ts ♦ ξ ❲ s♠t t

♦♥ tr t s ♦♥str♥ts ♥♦ tstr♦♣s ♥ t µ = 2.2·10−4

t♥ r♦♠ t ♣♦str♦r strt♦♥ ♦ t ♥②ss ♦ t ②♥ t ❬❪

♣rs♥t ♥ ♣tr

r s♦s t tr tr s t♦ s②♥tt③ t s s t

♦♥s♥ss tr r♦♥strt♦♥ s ♦♦ t t♦ sss strtr

♦ t str ♠ ♦ s ♥ s ♥rt♥ t r♦♥ ♥

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♠♦st ♦ t ♣♦str♦r s♠♣s t ♦rrt strtr ♣♣rs ♥ ♦ t

♣♦str♦r s♠♣s ♣♦st♦♥ ♦ s ♥ rt t♦ tt str

s ♥ t ♦rrt strtr ♣♣rs ♥ ♦ t ♣♦str♦r s♠♣s

♥ ♦t ss ts s ♣rs♠② s t tr tr ♦♥t♥s r② s♦rt

r♥ ♦♥ tt ♦r ♥♦ ♥ ♦rr s ①♣t t t rt µ s

♥♦t r♦♥strt t t r♦♦t tr ♥ t ♠ss♥ t ♣r♠trs ξ r

st ♦rrt② st♠t rs ♥ r ts r♦♥strt♦♥s

t ♦t♦♠♦ t r r② ♣♦st

❲ r t♦ ♦rrt② st♠t t r♦♦t ♥ ♦tr ♥tr♥ ♥♦

t♠s s♣t ♦r st♠t ♦ t t rt µ s t ♠♦ ♠s

s♣t♦♥ s ♥♦r♠ ♦r t tr t t t rt s st ♦♥st♥t

♦r t ♥tr tr t s t t t rt tt r♦♥strt ♥ r

rst②

♥ ♦r ♠♦ ♠♣♦s t rrst② ♦♥t♦♥ ν = κλ/µ ♥ ♦rr

t♦ ♦r s②st♠t s rs♥ r♦♠ ts ♦♥t♦♥ s♠t t

t r♥t s ♦ ν ♥ st♠t ♣r♠trs ♥r t rrst②

♦♥t♦♥ r ♥ ♦ ♥♦t ①♣t t♦ t♦ ♦rrt② st♠t

♣r♠trs t ♦♣ tt ♥♦ s②st♠t s ♥tr♦ ♥ t

st♠ts ♦ t t♦♣♦♦② ♥ ♦ t r♦♦t t s♠t s

t ♣r♠tr s µ = 2.23 · 10−4 κ = 0.2 λ = 4.46 · 10−2 ♥ st

ν = 2κλ/µ ♥ ν = κλ/2µ t r s♠t ♦♥ tr t

♥s ♥ ♥tr♥ ♦♥str♥ts

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r ♥②ss s♥ s②♥tt t t ♠♥♥ t♦rs ♠♣♦s tr s ♦ t r♦♦t t♠ tr t ♥ ♦ t t ♣r♠tr µ rt st♦r♠s r♦♠ t ♣♦str♦r s♠♣

r ♦♥strt♦♥ ♦ t ♠ss♥ t ♣r♠trs ξi i = 1 . . . 20 ♦rs②♥tt t t ♠♥♥ t♦rs ♠♣♦s

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r ♥♥ ♦ t rrst② ♦♥t♦♥ t tr tr ♥r t r s♠t ♥r t ♦♥t♦♥ ν = κλ/2µ rt r♦♥strt♦♥s♥ss tr

r♦♥strt♦♥ ♦ t t♦♣♦♦② s ♥♦t t t t♦♣♦♦② s st

♠♦st ♣rt② r♦♥strt s s♦♥ ♥ r ♦r t ♣♦st♦♥

♦ tstr♦♣s s ♠ ♠♦r ♥rt♥ ♥♦ tstr♦♣s r s♣♣♦rt ♥ ♠♦r

t♥ ♦ t ♣♦str♦r trs s♦♥ r ♦r ν = κλ/2µ t stt♦♥

s s♠r ♦r ν = 2κλ/µ

♣r♠trs µ ♥ κ r ♥♦t r♦♥strt s s♦♥ ♥ r

t ♣♦str♦r strt♦♥ s ② ♥♥♦r♠t ♦ κ ♥ t t rt µ s

s②st♠t② ♦rst♠t ♦r t r♦♦t s t ♣r♠tr

♦ ♥trst s r♦♥strt ♦r ν = κλ/2µ t tr r♦♦t s P

♥ t P s P ♦r ν = 2κλ/µ t tr r♦♦t s P

♥ t P s P ♥ ♦t ss t P ♦rs t

tr

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2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8

x 10−4

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20

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6000 6500 7000 7500 8000 85000

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r ♥♥ ♦ t rrst② ♦♥t♦♥ ♦♣ t s♠t ♥rt ♦♥t♦♥ ν = κλ/2µ ♦tt♦♠ t s♠t ♥r t ♦♥t♦♥ ν =2κλ/µ ♣♦str♦r s♠♣ r♦♠ t r♦♥strt♦♥ ♥r t rrst②♦♥t♦♥ ν = κλ/µ r tr ♦ t r♦♦t t rt µ ♥ ♣r♦t②♦ t t tstr♦♣ κ

Page 97: Phylogenetic Models of Language Diversification...between Bengali, Persian, and 15 European languages, and noted that on the other hand, Chinese, Hebrew, Malay and urkishT have very

♦♥strt♦♥ ♦ ♥♦♥ s

rt♦♥ ♦♥str♥ts sr ♥ t♦♥ ♠♣♦s ♦♥str♥ts

♦♥ s♦♠ ♥tr♥ ♥♦s ♥ s♦♠ s ♥ ts st♦♥ ♣r♦r♠ r♦ss

t♦♥ tst ♦♥ ♦♥str♥ts ♥ t ♥ t ❬❪ t

❲ r♠♦ rt♦♥ ♦♥str♥t ♥ tr♥ ♥ tt♠♣t t♦ r♦♥strt

ts r♦♠ t t ♥ t ♦tr rt♦♥ ♦♥str♥ts ♥ t r♠♥

♠② tr ♦♥str♥ts ♠♦♥ ♦♥② ♦♥ ♦ ts ♦♥str♥ts

♦ sr tt ♣r♣♦s s♥ t ♦ t ♦rrs♣♦♥♥ ♥♦ ♦

t② st ♦♥str♥ ② t t♦ ♦tr ♦♥str♥ts ♥ s♦ ♦

①♣t t♦ ♦rrt② r♦♥strt t ♥♦ ♥ ♥② s ❲ tr♦r r♠♦

ts tr ♦♥str♥ts s♠t♥♦s② ♥ st♠t t ♦rrs♣♦♥♥ ♥♦

s ♦♥t②

r sss t ts ①rs ♦♦ ♥t♦r t♦ ♦ ♠ ♥

trst t st♠ts ♦r ♥♦s ♦r tr r ♥♦ ♦♥str♥ts ♥♥

t r♦♦t t♦♣♦♦ ♦♥str♥ts r ♣rt② r♦♥strt

♦tt♦♠ ♦ r s t ♦♥str♥t ♦r ♥♦ s s

P ♥tr r♦♠ t ♣♦str♦r s♠♣ ♦r tt ♥♦ ♥ ♦t ♦

tsts t P ♦r♣s t ♦♥str♥ ♥tr

♦♠ ♦ t P ♥trs r r② r ♥ ♦♥② r② ♦r t

♦♥str♥t ♦r ①♠♣ t ♦♥ ♦r ttt ♦ q♥t② ♦♦♥ss ♦ t ♥

♥ ♣rtr t♦ st♠t t ♣r♦t② ♦r s t♦ ♠ t②♣ rr♦r s

②s t♦rs ♥st ♦ ♣s ♥ rt♦♥ c c ∈ 1 . . . C t

Page 98: Phylogenetic Models of Language Diversification...between Bengali, Persian, and 15 European languages, and noted that on the other hand, Chinese, Hebrew, Malay and urkishT have very

ΓC−c =C⋂

c′=0c′ 6=c

Γ(c′).

♥♦t t ♥r tr s♣ t t ct ♦♥str♥t r♠♦ t ♦tr

♦♥str♥ts ♠♣♦s t ΓC−cK t ♥r tr s♣ ①t♥ t♦ ♥

tstr♦♣s s ♥ t♦♥ ❲ t♥ ♣r♦r♠ ♠♦ ♦♠♣rs♦♥

t♥ t ♥ ♠♦ t t ♦♥str♥ts MC : g ∈ ΓCK ♥ t

tr♥t ♠♦ MC−c : g ∈ ΓC−cK t t ♦♥str♥t r♠♦

②s t♦r BC,C−c ♦r t ♠♦ ♦♠♣rs♦♥ s t rt♦ ♦ t ♣♦str♦r

♣r♦ts ♦r ts ♠♦s t q ♣r♦r ♣r♦t② ♦♥ t t♦ ♠♦s

P (MC−c) = P (MC) = 0.5

BC,C−c =P (D|g ∈ ΓC

K)

P (D|g ∈ ΓC−cK )

=P (D|g ∈ ΓC

K , g ∈ ΓC−cK )

P (D|g ∈ ΓC−cK )

(since ΓCK ⊂ ΓC−c

K )

=P (g ∈ ΓC

K , g ∈ ΓC−cK |D)P (D)

P (g ∈ ΓCK , g ∈ ΓC−c

K )×

P (g ∈ ΓC−cK )

P (g ∈ ΓC−cK |D)P (D)

=P (g ∈ ΓC

K |g ∈ ΓC−cK , D)P (g ∈ ΓC−c

K |D)

P (g ∈ ΓCK)

×P (g ∈ ΓC−c

K )

P (g ∈ ΓC−cK , D)

=P (g ∈ ΓC

K |g ∈ ΓC−cK , D)

P (g ∈ ΓCK |g ∈ ΓC−c

K )

♥ t st rt♦♥ t ♥♠rt♦r P (g ∈ ΓCK |g ∈ ΓC−c

K , D) s t ♣♦str♦r

♣r♦t② ♦ ♦♥str♥t c ♥ rs♣t ♥ t t ♥r t tr♥t

♠♦ MC−c t ♥♦♠♥t♦r P (g ∈ ΓCK |g ∈ ΓC−c

K ) s t ♣r♦r ♣r♦t② ♦

t s♠ ♥t ❲ st♠t ts ♣r♦ts ② s♠t♥ t ♣r♦r ♥

♣♦str♦r strt♦♥ ♥r t tr♥t ♠♦ t ♦♥str♥t c r♠♦

Page 99: Phylogenetic Models of Language Diversification...between Bengali, Persian, and 15 European languages, and noted that on the other hand, Chinese, Hebrew, Malay and urkishT have very

st♠ts ♦r t ②s t♦rs r ♣♦tt ♥ t t♦♣ ♦ r

r♥ ♦ ts st♠t♦rs s ♥

st ♥ t r♦sst♦♥ ♦rrs♣♦♥s t♦ str♦♥ ♥ ♥st t

♦♥str♥t ♦♦♥ tr② ❬❪ t ②s t♦r ①♥

2 log(BC,C−c) & 5 s str♦♥ ♥ ♥st t ♦♥str♥t ❲

♦♥t ♦r tr ♦ t trt② ♦♥str♥ts t s ♦ t♦ s rs ♥

st♥ ♥ t ♦ ♦♥ t♦ s ♦r ♥②ss ♥ ♣tr

s♦s tr s ♣♦str♦r ♣r♦t② tt tstr♦♣ ♥t ♦rr

♦♥ t r♥ t♥ rs ♥ ❲s ♥ ♥♦tr t♥ Prs♥

♥ st♥ ♥ ♦r rt tr♦♥t② ♥ rst ♦ t tr s s♦ st

tt ♥ tr② t♦ ♣rt ts rt♦♥s r ♣rt♥ t②♣ ♥ts

♦t tt ♦r ♥♥ ♦ ♠ss♥ t s ♥str♠♥t ♥ ♠♣r♦♥

♦r ♣rt♦♥s rt♦♥ ♥tr ♦r t ttt ♦r② ♥ ts

t s P ♥♦r ♠ss♥ t s♦ r♣ s t s ♦r

♣rt♦♥ ♦r t ♦ ttt s P ♦ts ♦ t ♦♥str♥ts

❲t ♠ss♥ t ♥ ♥ t ♠♦ t P ♥tr ♦r t

♦ ttt ♥ ♦r ♠♦ s P st ♦r♣s t ♦♥str♥t ♥

s r ♠♥ s♦ r ♥♦t ♦♥② tt♥ rtr ♥rt♥t② t s♦

♠♣r♦♥ t t ②s t♦r s ♦s ss t♥ ♥st s♦ t

♥ ♥st t ♦♥str♥t s r② ♦rt ♠♥t♦♥♥ ❬tr② ❪

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HI TA TB LU LY OI UM OS LA GK AR GO ON OE OG OS PR AV PE VE CE IT GE WG NW BS BA IR II TG

r ♦♥strt♦♥ ♦ ♥♦♥ ♥♦ s t♦♣ ♦rt♠ ♦ ②st♦rs log(BC,C−c) ♦r c = 1, 2, ..., C ♦tt♦♠ t♥ ♥s s♦ ♦♥str♥ts♦r r♥t ♥♦s t ♥s s♦ ♣♦str♦r P ♥tr ♦r tr♦♥strt ts ♥ t ♦♥str♥t s r♠♦ ttt ♦r♥ ♦r♥ ❯ ♥ ❨ ②♥ rs ❯ ❯♠r♥ s♥ t♥ r r♠♥♥ ♦t ♦rs ♥s r♠♥ r ♦♥P Prss♥ ❱ st♥ P Prs♥ ❱ ❱ t r♦♣ t r♦♣ r♠♥ r♦♣ ❲ ❲st r♠♥ r♦♣ ❲ ♦rt❲st r♠♥ r♦♣ t♦ r♦♣ t r♦♣ r♥♥r♦♣ ♥♦r♥♥ r♦♣ ♦r♥ r♦♣

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♣tr

♥②ss ♦ ♥♦r♦♣♥ t

sts

♥ ts ♣tr ♥②s t♦ ① t sts ♦ ♥♦r♦♣♥ ♥s

♥ st♠t t ♦ Pr♦t♦♥♦r♦♣♥ s♥ t ♠♦ ♣rs♥t ♥

♣tr ♥ t t ♠♣♠♥t♦♥ sr ♥ ♣tr

♦♥s♥ss trs s♣② ♥ ts ♣tr r t s♥ t s♠

♠t♦ s ♥ ♣tr ♥ tr ♥ ♦rrs♣♦♥s t♦ s♣t ♣rtt♦♥♥

t s ♥t♦ t♦ sts ♦♥s♥ss tr s♣②s st t♦s s♣ts ♣rs♥t ♥ t

st ♦ t ♣♦str♦r s♠♣ ♣ts r ss t♥ s♣♣♦rt

r ❲r ♥♦ s♣t s ♣rs♥t ♥ ♦ t ♣♦str♦r s♠♣ t

♦♥s♥ss tr s ♠trt♥ ♥t s♦♥ ♦r ♥ s t r

♣♦str♦r ♥t ♥ t ①st♥ ♦ t s♣t s♠r② t ♥♠r ♦

tstr♦♣s s♦♥ ♦♥ ♥ s t r ♣♦str♦r ♥♠r ♦ tstr♦♣s

♦♥ tt ♥ t ①st♥ ♦ t s♣t r♦♥ t♦ t ♥rst ♥tr

♥ t ♣r♠trs ♠r♥ ♣♦str♦r strt♦♥ ♦s t♦ ♥♦r♠

Page 102: Phylogenetic Models of Language Diversification...between Bengali, Persian, and 15 European languages, and noted that on the other hand, Chinese, Hebrew, Malay and urkishT have very

♦r st♠ts s st ♣r♦t② ♥st② ♥trs ♥ t

♥♦r♠ ♣♣r♦①♠t♦♥ s♥ t ♠♥ ♥ t t st♥r t♦♥ ♥ t

♣♦str♦r s♠♣ ♦r t r♦♦t st ♣r♦t② ♥st②

♥trs

♥②ss ♦ t ♥ t ❬❪ tst

s ♠♥t♦♥ ♥ t♦♥ sr t♦♣♦♦ ♥ ♦♥str♥ts r

♠♣♦s ♦♥ t trs r♦♥strt ♦♥ t r♥ ♦ s ♦r ♥str

♥♦s ♥ ♥♥t ♥s tr ♥ r s♦s t ♦♥s♥ss

tr r♦♠ r♦♥strt♦♥ ♥♦rs ts ♦♥str♥ts ♥ ♥ tt♠♣t t♦

r♦♥strt ts ♥♦♥ t♦♣♦♦ ts ❲t♦t ♥② ♥tr♥ ♦♥str♥ts

tr s ♥♦ ♥♦r♠t♦♥ ♦t t rt ♣r♠trs ♥ t st♠ts r

♠♥♥ss ♥ ts ♥②ss t ♦♦ ♦ ♥♥ ② ♠t♣②♥

r♥ ♥ts ② ♥ rtrr② t♦r ν ♥ ♥ t rts ② ν

♠r② t s♥ ♦ ♦♥str♥ts ♠♣s tt tr s ♥♦ s♥ ♦r

tstr♦♣s ♥ s♦ ♥♦ r♥ rs tstr♦♣s ♥ ♠♦r t♥ ♦ t

s♠♣ trs r r tr♦r ♥♦ tstr♦♣s ♥ r ♥ ♦ ♥♦t

s♦ ♥② t♠ s ♦r t r♦♥strt♦♥ ♦ t t♦♣♦♦② s ♥trst♥

♥♥ ♦ t t♥ ♥♦♥ t♦♣♦♦ trs r s♣♣♦rt t ♣r♦t② t

st ♥ t ♣♦str♦r strt♦♥ ♦♥② ①♣t♦♥ s t ♦rt❲st

r♠♥ ♦r♠ ② ♥s r♠♥ ♥ ♦rs

♣♣rs ♥ ♦ t ♣♦str♦r s♠♣

❲ s♦ ♦♥s♥ss tr ♥ r ♦r t ♦♠♣t t ♥②s t

♦♥str♥ts ♥ ♦r t rsts sr r ♦r ♣r♦r ♦♥

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hittite

vedic

luvian

umbrian

armenian

oldenglish

latvian

welsh

albanian

lithuanian

oldnorse

oldprussian

oldirish

gothic

tocharian_a

oldcslavonic

oldhighgerman

greek

avestan

oldpersian

tocharian_b

latin

lycian

oscan

52

65

74

60

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r ♦♣ ♦♥s♥ss tr ♦r t ♥ t ❬❪ tst t♦t ♥②♥tr♥ ♦♥str♥ts ts r ♠♥♥ss ♥ r tr♦r ♥♦t s♦♥t t t♦♣♦♦② s r♦♥strt ♦tt♦♠ s♠♣ tr s♦♥ t t♦♣♦♦ ♦♥str♥ts ♥ t rs ♦♥ ♥tr♥ ♥♦s r t♦♣♦♦♦♥str♥ts

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r ♦♥strt s ♦ t ♠ss♥ t ♣r♠trs 1 − ξi ♦r t♥ t ❬❪ t st ♣r♦t② ♥st② ♥trs t ♥ ♣r♦♣♦rt♦♥ ♦ ♠ss♥ t ♦r t ♥

t♦♣♦♦s s ♥♦r♠ ♦♥ st♦rs ♥ t ♣r♦r ♦♥ t tstr♦♣ rt

ρ s Γ(1.5, 0.0002) t s♠r rsts t ♥♦r♠ ♣r♦r ♦♥ t♦♣♦♦s

♥ ♣r♦r ♦♥ t tstr♦♣ rt p(ρ) ∝ 1/ρ ♣r♦r ♦♥ ♦tr ♣r♠trs

♦ t ♠♦ s sr ♥ ♣tr r st♠ts ♦r t ♣r♠trs

r s ♦♦s µ = 1.86 · 10−4 ± 3.94 · 10−5 ts②r κ = 0.361 ± 0.11

ρ = 1.3 · 10−4 ± 3.3 · 10−5 tstr♦♣s②r ♦rrs♣♦♥♥ t♦ r t rr

tstr♦♣s ♦t tstr♦♣ r② ②rs ♦r ♥ r ♦ ♦♥

t tr t tstr♦♣ ♦rrs♣♦♥♥ t♦ ②rs ♦ ♥

①♣t♥② ♦ ♦♥② ss ♦♥ r♥ s t♥ 1/(µ+κρ) = 4800 ②rs

s s rtr t♥ t r r♥ ♥t ♦ ②rs s♦ ①♣t ♥

①♣♦s♦♥ ♦ t ♥♠r ♦ ♥s rstr ♦♥② ss ♣♣rs t

r st♠ts ♦ t ♠ss♥ t ♣r♠trs ξi r s♦♥ ♥ r ♦r

♥② ♥ i t ♣♦str♦r strt♦♥ ♦ ξi s qt tt ♥ ♦s t♦ t

♣r♦♣♦rt♦♥ ♦ ♠ss♥ t ♥ tt ♥

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hittite

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0 10002000300040005000600070008000

r ♦♥s♥ss tr ♦r t ♥ t ❬❪ tst ♦ts s♦tstr♦♣s s♣♣♦rt t ♣r♦t② ♦ ♦♥

Page 106: Phylogenetic Models of Language Diversification...between Bengali, Persian, and 15 European languages, and noted that on the other hand, Chinese, Hebrew, Malay and urkishT have very

♥②ss r♦♥strts s♦♠ ♥♦♥ trs ♦ t ♥♦r♦♣♥

tr r ♥♦t ♣rt ♦ ♦r ♦♥str♥ts ♥sts ♥r② r tt

t r♠♥ t ♥ t ♠s ♦r♠ str t♦ t rt

♣♦st♦♥s ♦ t tr ♠s ♥ ts str s st t♦ t r

♥②ss r♦♥strts ts str t ♥♦ ♣rtr ♦♥rt♦♥ ♦ t

rt ♣♦st♦♥s s ♦r ♥♦Prs♥ r♦♣ ♥ ♦ts t

t♦ r♦♣ t t rt ♣♦st♦♥ ♦ ts t♦ s ♥rt♥

♣ t♦♣♦♦② ♦ t tr s t qt ♥rt♥ ② ts t s♣② t

♣♦st♦♥ ♦ ♥♥ ❲ ♥ ♥ ♦r tstr♦♣ rt tr♦♥t② ♥

tr ♣♦st♦♥s ♦♥ t s ♥ t♦ rs Prs♥ ♥ ♥ t

❯♠r♥s♥

r ♣♦str♦r st ♣r♦t② ♥st② P ♥tr ♦r t r♦♦t

♦ t ♥♦r♦♣♥ ♠② s ②rs P ♣♦str♦r

strt♦♥ ♦ ts ② sttst s ♦s t♦ ♥♦r♠

rstrt♦♥ r s ② ♥ t ❬❪ ♥ ♦t♥ tr t

s r R1 r♦♠ t♦♥ t r ♦sr t t st ♦♥

r r♦r ♦ t ♦r rsts r♠♦ s♥t♦♥s trts

r ♦sr t ①t② ♦♥ ♥ t t ♦

♥ ♦t♥ rstrt♦♥ r R2 ♥ ♦♦ ♦♥s♥ss tr s

s♣② ♥ r

♥ ♥r t r♦♥strt♦♥ ♦ t t♦♣♦♦② s s♠r t♦ ♦r ♣r♦s

♥②ss P ♥tr ♦r t r♦♦t s P ♦♥sst♥t

t ♦r ♣r♦s ♥②ss ♣r♠tr st♠ts r s ♦♦s µ =

1.56 ·10−4±2.8 ·10−5 ts②r κ = 0.19±0.11 ρ = 1.01 ·10−4±8.72 ·10−5

♦rrs♣♦♥♥ ♦♥ tstr♦♣ r② ②rs ♦r ♥ r ♦ ♦♥ t

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tr t tstr♦♣ q♥t t♦ TC = 1350 ②rs ♦ ♥

①♣t♥② ♦ rstr ♦r s ②rs ♦♥② ♥♦t♦rt② r♥

s t ♣♦st♦♥ ♦ tstr♦♣s r ♥ r② r♥t ♣s t ♦♥②

♦♥sr tstr♦♣ s t ♦♥ ♦♥ t r♥ ♥ t♦ rs s

s ♥♦t sr♣rs♥ ♥ r t tstr♦♣s r ♦s t♦ t s

Prs♠② t s♥ ♦r ts tstr♦♣s ♦♠s ♥ r ♣rt r♦♠ ♥

♥s ♥♠r ♦ s♥t♦♥s t t♦s s s st ①♣♥ ②

tstr♦♣ ♥t ❲t s♥t♦♥s r♠♦ t s♥ s ♠ r

s ♦♥sq♥ t r♦♥strt tstr♦♣s r s♠r ♥ r ♣

♥ ♣♦st♦♥s r tr s rt tr♦♥t② t ♥♦t s str♦♥ s t rt

tr♦♥t② tt ♥ r s tstr♦♣s r ♣rs♥t ♥ s♦♠

♦ t ♣♦str♦r s♠♣s ♦r t ♥②ss t s♥t♦♥s ♥ t t②

♣♣r ♥ ss t♥ t s♠♣s ♥ r tr♦r ♥♦t s♣② ♥ t

♦♥s♥ss tr ♦ r

♥♦tr t♦♥ ♠t♦ ♦ ♦r rsts s t♦ ① ♣rt ♦ t t

tr ② r♠♦♥ s♦♠ ♦♥② sss ♦r ② r♠♦♥ s♦♠ ♥s

rsts ♦r ts ♥②ss r ♥ ♥ t t♦s ♦r t ♦♠♣t t ♦♥ t

♦♥ ♥ r♠♦♥ s♦♠ ♦♥② sss ♠s ♥♦ s♥♥t r♥ ♥ t

r♦♥strt t♦♣♦♦② ♥ st② ♥rss t r♥ ♦ t r♦♥strt

s ♦♥ t ♦tr ♥ r♠♦♥ s♦♠ ♥s ♥rss t ♥rt♥t②

♦ t t♦♣♦♦② ♥ ♦ t r♦♥strt s s ♥ ①♠♣ r

♣rs♥ts ♦♥s♥ss tr t t ♥s ♥ t ♦♥② sss

① ① trts r ♦s♥ t r♥♦♠ t ① ♥s

r ♦s♥ ♥ ② tt ♥srs tt ♠♦st s♠s r r♣rs♥t

t♦ t t ♠② s ♥♦t r♣rs♥t ② ♥② ♥ ♥ ts ♥②ss

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tocharian_atocharian_b

oldirish

welsh

luvian

oldprussian

lithuanianlatvian

oldcslavonic

albanian

hittite

oldnorse

oldenglish

oldhighgerman

gothic

greek

lycianarmenian

vedic

oldpersianavestan

umbrian

latin

oscan

95

56

59

5958

0 10002000300040005000600070008000

r ♦♥s♥ss tr ♦r t ♥②ss ♦ t ♥ t ❬❪ t ts♥t♦♥s ①

Page 109: Phylogenetic Models of Language Diversification...between Bengali, Persian, and 15 European languages, and noted that on the other hand, Chinese, Hebrew, Malay and urkishT have very

armenian

oldpersian

hittite

oldprussian

albanian

latin

oldenglish

tocharian_a

tocharian_b

oldcslavonic

greek

welsh

95

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0 1000 2000 3000 4000 5000 6000 7000 8000 9000 10000

r ♦♥s♥ss tr ♦r sst ♦ t ♥ t ❬❪ t

t s ♦rt ♥♦t♥ tt ♥ t ♥ ♠♦r t♥ ♦ t ♦♥② sss r

sr s♥ s♦♠ ♦ t r♠♥♥ sss r ♦♥② ♦sr t s

r ① r♦♠ t t

❲t ts r t st tr s ♥♦ s♥ ♦r tstr♦♣s ♥ t ♠♦

♦r t tstr♦♣ t ♣r♦t② κ s t② t ❯♥sr♣rs♥② t

r♥ ♦ r♦♥strt sttsts s r② t P ♥tr ♦r

t r♦♦t s P t t ♠♦ ♦r ts sttst s ♦s t♦ t

♠♦ ♥ ♥②ss t t ♦♠♣t t ♠r② t t ♣r♠tr µ

s r♦♥strt s 1.35 · 10−4 ± 9.2 · 10−5 ♠ rtr r♥ t♥ ♥

♣r♦s ♥②ss rsts r s♠r ♥ ♦♥② ♦♥② sss ♦r ♦♥②

♥s r ① t♦ t r♥ s ♥♦t s r

Page 110: Phylogenetic Models of Language Diversification...between Bengali, Persian, and 15 European languages, and noted that on the other hand, Chinese, Hebrew, Malay and urkishT have very

♥②ss ♦ t ②♥ t ❬❪ t

r ♣rs♥ts ♦♥s♥ss tr ♦r t ♥②ss ♦ t ②♥ t ❬❪

t ♥r ♦r st♦st♦♦ ♠♦ r st♠ts ♦r t ♣r♠trs r

s ♦♦s µ = 2.37 · 10−4 ± 2.16 · 10−5 ts②r κ = 0.121 ± 0.096

ρ = 2.17 · 10−4 ± 1.2 · 10−4 tstr♦♣s②r ♦rrs♣♦♥♥ t♦ s♠r t

♠♦r ♦♠♠♦♥ tstr♦♣s t♥ ♦r t ♥ t ❬❪ t ♦t

tstr♦♣ r② ②rs ♦r ♥ r ♦ ♦♥ t tr t

tstr♦♣ ♦rrs♣♦♥♥ t♦ ②rs ♦ ♥ ①♣t♥② ♦

rstr ♦r s ②rs ♥ rtr t♥ t r r♥ ♥t ♦

②rs

♥②ss ♦ t ②♥ t ❬❪ t str♦♥② s♣♣♦rts ♥♦r♥♥

s ♥ ♦tr♦♣ t s♦ s♣♣♦rts t r♠♥ ♥ t s♠s ♥

s♥s t t s t ♥①t ♦sst ♦s♥ t♦ t ♦♥rt♦♥s

r♠♥t ♥ tt r s♦ ♣rs♥t ♥ t ♣♦str♦r t ♦t

♣♦str♦r ♣r♦t② ♥ t ♦tr ♥ t ♥②ss ♦ t

♥ t ❬❪ t ♦s ♥♦t s♣♣♦rt ♥② ♣rtr ♦tr♦♣ ♥ t

s♦s ♣rr♥ ♦r r♠♥t sr♦♣♥ r ♥ t ♦tr

♦♥rt♦♥s s♦ ♣♣r ♥ t ♣♦str♦r s♠♣ ♥ ♥♦♥♥ rq♥s

♥ ♦t ss t ♣♦st♦♥ ♦ ♥♥ s r② ♥r r s r♠♥t

t♥ t ♥②ss ♦r t ♦tr t♦♣♦♦ trs ts s♦ ♦rrs♣♦♥

t♦ t rsts ♥sts ♦t♥ tr♦ t ♦♠♣rt ♠t♦

r s rt tr♦♥t② ♥ ♥♠r ♦ ♣♦st♦♥s ♣r②

s♦♠ ♦ ts ♣♦st♦♥s ♦ ①♣t ♦r ①♠♣ r♥ r♦s

P♥♥s②♥ t ♥ t ②♣s② ♥ ♦ r ♥t tr♦ s♦♠

Page 111: Phylogenetic Models of Language Diversification...between Bengali, Persian, and 15 European languages, and noted that on the other hand, Chinese, Hebrew, Malay and urkishT have very

rt tr♦♥t② ♦ ♥ t♦ t r ♦r♣ st♥

r♦♠ tr ♣r♥t ♥ ❲ ♦ ♥♦t ♥ ①♣♥t♦♥ ♦r t ♦tr

tstr♦♣s t♦ t② r str♦♥② s♣♣♦rt ♥ ♦r ♥②ss ❲ ♥♥♦t

♦♠♣r t ♣♦st♦♥ ♦ tstr♦♣s ♥ rs ♥ s t

tstr♦♣s ♥ r ♦r ♦s t♦ t s ♥ t ♥s

s ♥ t t♦ ♥②ss r r♥t ♦r tr s ♦♥ tstr♦♣ ♣

♥ t tr ♥ ♦r ♥②ss ♦ t ♥ t ❬❪ t t s♥t♦♥s

r♠♦ r ♦♥ t r♥ ♥ t♦ t str ♦♥t♥♥ t

r♠♥ t ♥ t ♥s ♥trst♥② ts s s♦ ♦♥ ♦ ♦♥②

t♦ tstr♦♣s ♣ ♥ t tr ♥ ♦r ♥②ss ♦ t ②♥ t ❬❪ t

♥②ss ♦ t ②♥ t ❬❪ t s st ♣r♦t②

♥st② ♥tr ♦r t r♦♦t ♦ P t s♥♥t ♦r♣ ♦

♦r st♠ts s♥ t ♥ t ❬❪ t

②♥ t ❬❪s t r rstr ② r② ♥ t♥s♦♥ ❬❪

♦♦♥ rstrt♦♥ r R2 t② sr s♥t♦♥s s♦ t s ♥♦t

♣♦ss t♦ t ♦r rsts ② ♥②s♥ t t ♥r r♥t

rstrt♦♥ r ♦r s ♣r♦s② t ♦r rsts ② s♥

♦♥② ssts ♦ ♦r t ♥ s ♣r♦s② ts t♦ s♠r rsts s t

t ♦♠♣t t ♦♥② t rtr ♥rt♥t②

Page 112: Phylogenetic Models of Language Diversification...between Bengali, Persian, and 15 European languages, and noted that on the other hand, Chinese, Hebrew, Malay and urkishT have very

Persian_List

Waziri

WakhiBaluchi

Tadzik

AfghanOssetic

Khaskura

MarathiBengaliNepali_List

Gujarati

Panjabi_ST

KashmiriGypsy_GkSinghalese

Lahnda

Hindi

LatvianLithuanian_STLithuanian_O

Czech

Byelorussian

Slovenian

Lusatian_L

Czech_E

UkrainianRussian

Slovak

SerbocroatianMacedonian

Lusatian_U

Polish

Bulgarian

Albanian_TopAlbanian_G

Albanian_T

Albanian_KAlbanian_C

Swedish_List

FaroeseIcelandic_ST

Swedish_UpSwedish_VL

RiksmalDanish

English_STTakitaki

Frisian

Penn_Dutch

Afrikaans

German_ST

Flemish

Dutch_List

Armenian_ModArmenian_List

Sardinian_C

Romanian_List

Sardinian_LVlach

Sardinian_N

Brazilian

Walloon

Ladin

French_Creole_D

Portuguese_STProvencal

French

CatalanSpanish

French_Creole_C

Italian

Breton_SE

Welsh_C

Breton_List

Breton_ST

Welsh_N

Irish_BIrish_A

Greek_ModGreek_ML

Greek_D

Greek_MD

Greek_K

TOCHARIAN_BTOCHARIAN_AHITTITE

76

81

94

94

72

67

72

95

84

93

61

77

77

0 10002000300040005000600070008000

r ♦♥s♥ss tr ♦r t ②♥ t ❬❪ t st

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♣tr

♦♥s♦♥s ♥ ①t♥s♦♥s

r tt♠♣ts t t♥ Pr♦t♦♥♦r♦♣♥ s♥ sttst ♠t♦s

♥ ♠ ♣r♦s② s ♠♥t♦♥ ♥ ♣tr ♦r s♦♠ ♦

t ♠♦s s r r② ♥♦t ♣t t♦ ① t ♥ ♥♦♥ ♦ ts

♠♦s ♥ ② t ♠♦ sr ♥ ♣tr

♥ ♠♣♠♥t s s ♥ ♣tr s s♣② t♦r t♦ ①

t Ps s♦rs ♦r s②st♠t s r tr ♥♦r♣♦rt ♥ t ♠♦

♦r ♥ tst ♦r s♥ s②♥tt t tr ② s ♥ ♣tr ♦r ♥

♣r♦s ♦r ♦st s♥♥t② s♦ tt ♦rr♦♥ t t s

tt ①♣t ♥ ♦r t ♦s ♥♦t s ♦r st♠ts

r♦♥strt♦♥ ♦ ♥♦♥ s ♣rs♥t ♥ t♦♥ rtr ts

♦r t② t♦ ♣rt t♠ ♣ts tr sr ♥②ss ♦ t♦ t sts

♣tr ♦r rsts r t t ♥t♦♥ ②♣♦tss tt t s♣r

♦ t ♥♦r♦♣♥ ♠② strt r♦♥ P ♦♥ ♦ ♦r ♥②ss

r t t r♥ t♦r② tt t s♣r strt t♥ ♥

P

Page 114: Phylogenetic Models of Language Diversification...between Bengali, Persian, and 15 European languages, and noted that on the other hand, Chinese, Hebrew, Malay and urkishT have very

rsts ♣rs♥t ♥ ts tss s♦ ♦ ♣r♦♠s♥ sttst ♠♦s

♦ ♥ rst♦♥ r t♦ ♠ ♦ t ♦rt s♦ r s ♥

♥ ♦♣♥ ♠♦s ♦ ① t t ♦ q② ♥trst♥ t♦

t♦ ♦rrt② ♥ t r② rs s♣ts ♦ ♥st t ♠♦s

♦ r♠♠t ♥ ♣♦♥♦♦ t s s ♠♦s ♦ ♦♥tt♥

♥ rtr t♥ s♥t t ♠♦t♦♥ ♦ r② s t♦ ♣

rtr ♦r ♥rst♥♥ ♦ ♥ st♦r②

s ♠♦s r② ①st ♥ ♥ ♠♥t♦♥ ♥ t♦♥

t ♦ ♦ ♣rtr ♥trst t♦ t♦ r♦♥ t r♦s s♣ts ♦

♥ ♥ s♣t t r♥t ♠♥s♠s t ♣② ts s♣ts r

♥♦t ♥♣♥♥t ♦ ♦tr ♥ ♠st st s♠t♥♦s②

r t♦ ♥rst♥ t ♦ ♣tr ♦ ♥ rst♦♥

s ♠♦s ♦r ①t♥s♦♥s ♦ ts ♠♦s ♦ s♦ s t♦ ♥

♥♦ ♦♥ t ♥str ♥s t♠ss ♥ t♦ t ♥♦s

♦♥ t trs r♦♥strt ♦ ♥♦t ♦rrs♣♦♥ ①t② t♦ ♥② ♥s ♦

♥trst t② r ♦s② rt t♦ s ♥s ♦♥strt♥ ♥str

sq♥s s ♥ t st ♦ ♠ rsr ♥ ♠♦r ♣②♦♥ts

❬t ❨♥ t ❪ ♥ ♣rtr ♠♥② ♥sts r ♥trst ♥

r♦♥strt♥ trs ♦ t ♥ s♣♦♥ ② t Pr♦t♦♥♦r♦♣♥s

❬r ❪ st♠t♥ ♦♥ts r ♣rs♥t t t r♦♦t ♦ t

trs s♠♣ ♦ ♣r♦ ♥♦r♠t♦♥ ♦t ts Pr♦t♦♥ ♥ t

♦ ♦ rt ♥trst t♦ ♦♠♣r ts r♦♥strt♦♥s t♦ t♦s ♦t♥ ②

♥sts s♥ t ♦♠♣rt ♠t♦ ❬s ❪

rsts ♣rs♥t ♥ ♣tr ♥t tt ♦r ♠♦♥ ♦ tstr♦♣

rt tr♦♥t② s stst♦r② ♥ t stt♥ st ♦ ♣♣② t t♦ ♦tr

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stt♥s ♦r t ♠② ♥ssr② t♦ ①♣♥ ♦♥ t ♦r ①♠♣ t ♠②

♥trst♥ t♦ ♠♣♦s tt tstr♦♣ ♦r s♠t♥♦s② ♦♥ r♥s

t t s♠ t♠ ♦rrs♣♦♥♥ t♦ ♥ ♥t tt ♠♣ts ♥s t ♠②

s♦ ♦rt② t♦ ♦ ♥t tstr♦♣s ♦r ♣r♦s ♦ t♠ r♥

♥♦ ♥ ♦rs ♠♦st ♦♦s ①t♥s♦♥ s t♦ ♦ tstr♦♣s

t♦ r♥t s③s ♦♠ ♦ t ♦r ♥ ♠♦r ♣②♦♥ts ♠♥t♦♥

♥ t♦♥ ♠② r♥t

♥ t ♦♦♥ st♦♥s tr ♣♦ss ①t♥s♦♥s ♦ ♦r ♠t♦s

sss t ♦t♦♥s ♠♦s② rs ② rs♥ ♥ ❱♦t ❬❪ ♥st

♦tt♦r♦♥♦♦② r♦♥strt t s♣r ♦ ♥ ts ♥ ①♠♥ t

②♣♦tss tt ♣♥tt♦♥ rsts t ♥ s♣tt♥ ♥ts ♦♥t

♦r r ♠♦♥t ♦ ♥st ♥ rtr ♦r s ♥ t♦ ttr

♥rst♥ ♥ t t s ♣rs♥t ♥ ts ♣tr

st♥ s♦♠ ①tr♠ ①♠♣s st ②

rs♥ ❱♦t ❬❪

s ❬❪ ♦♣ ♠t♦ ♥♦♥ s ♦tt♦r♦♥♦♦②

♠ ♦ s t♦ t t ♠♦st r♥t ♦♠♠♦♥ ♥st♦r ♦ ♥② t♦

rt ♥s ② t♥ t ♣r♥t ♦ sr ♦♥ts ♥ t

♦r ♦r② s s t rst tt♠♣t t t♥ ♥♥t ♥s t

♠t♠t ♠t♦s s ❬❪ ss♠ tt t ♦r ♦r②

♦ t ♦♥st♥t rt t t♥ ♦♦s ♠♠t② tt C s t

♣r♥t ♦ sr ♦♥ts ♥ r t rt♥t♦♥ rt t♥ t ♦ t

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♠♦st r♥t ♦♠♠♦♥ ♥st♦r s t = log C

2 log r ♦♥st♥t r s st♠t s♥

♣r ♦ ♥s ♦r t ♦ t ♠♦st r♥t ♦♠♠♦♥ ♥st♦r s

♥♦♥ ♦tt♦r♦♥♦♦② ♠♥② s♦rt♦♠♥s r♦♠ sttst ♣♦♥t ♦

t ♠♥ sss r tt tr s ♥r ♥② tt♠♣t t♦ t t

♥rt♥t② ♦ t st♠t♦rs ♥ tt r ♠♦♥ts ♦ t r ♥♦t s

rs♥ ♥ ❱♦t ❬❪ str♦♥② rt③ ♦tt♦r♦♥♦♦② ♥ tr

rsr s t t ♦r♥ ♦ t str♦♥ s ♠♦♥st ♥sts ♦ ♥②

sttst ♠t♦ ♦r t♥ ♥♥t ♥s rs♥ ♥ ❱♦t ❬❪

s tr sts ♦ rt ♥s ♥ ♥ tr ♦r♥ ts

t② ♦♠♣r t♦ sr rs♦♥s ♦ t ♦♠♠♦♥ ♥st♦r ♦rs

♦r♥ ♦r♥ ♦r♥ ♥ ♥r♥ tr rt♥ ♥s

♥ ♥ ♦r♥ r♠♥♥ ② st♠t t rt♥t♦♥ rt r ♦r

st ♥ ♦t♥ r② r♥t s s s t♥ t♦ s♦ tt tr s

♥♦ ♥rs ♦♥st♥t rt♥t♦♥ rt ♥ tt tt♠♣ts t t♥ r tr♦r

♣♦♥tss

♠t♦s sr ♥ ts tss ♥ ♥ ♦tr r♥t ♦rs ♦♥

t♥ ♥♥t ♥s ♣rs♥t sr ♥ts ♥ ♦♠♣r t♦

♦tt♦r♦♥♦♦②

t s t r② ♥tr ♦ ②s♥ st♠t♦♥ t♦ ♦♠♣t ♥rt♥ts

P②♦♥t ♠t♦s ♦ s t♦ ♥ t r♦♠ ♠♥② ♥s

rtr t♥ ♦♥② t♦

♠t♦ sr ② s ❬❪ ♥ s ② rs♥ ♥

❱♦t ❬❪ ♦♥② ♦ ♦♥ ♦♥② ss ♣r ♠♥♥ t♦r② ❲r

tr s ♣♦②♠♦r♣s♠ s♦♠ ♥ ♦s♦♥② ♠♦st ♦ t t t♦

Page 117: Phylogenetic Models of Language Diversification...between Bengali, Persian, and 15 European languages, and noted that on the other hand, Chinese, Hebrew, Malay and urkishT have very

♥♦r

rsr ② rs♥ ♥ ❱♦t ❬❪ s st ② ♠♥② ♥sts

s ♥ ss tt ♥♦ t♥ ♠t♦ s♦ r s ♠♥ t♦ r♠♥t ♦r

①♠♣ t ❬❪ stt tt ♥♦♥ ♦ ❬rs♥ ♥ ❱♦ts❪

♦t♦♥s ♥ t② ♠t ② r♥t ♦r

♣♦♥ts ♠ ② rs♥ ♥ ❱♦t ❬❪ ♣ rt ♥

♣tt♥ ♦rr t s ♦ ♦tt♦r♦♥♦♦② t tr ♠t♦s s♦ sr

r♦♠ rs ♠ tr ♣♦♥t ss ♦r ♥ ts ♣tr s♦

tt ♠♦st ♦ t sss rs ② rs♥ ♥ ❱♦t ❬❪ ♦ ♥♦t ♣♣② t♦

♦r ♠t♦s ❲ t ts ♦r t Prs♥t P ② ♣rs♥t

♠♥ t t♠ t t t r r♦r s ♥ t ♣♣r♦①♠t②

rst st ♦ ♥s ♥②s ② rs♥ ♥ ❱♦t ❬❪ ♥s

♦r♥ ♥ ♦r♥ s♠ ♥ t ♦r♥ ts ♦ st

♥ ♥♥s s s rs♦♥s ♦ ♦rs t t t ♥ t

♥tr② ♦rs ♥ ♦rs ❲ ♥♦r ♦rs ♥ ts

♥②ss s t ♦ ts ♥ s ♥♦t r ♥♦♥ t♦♣♦♦②

♦ t ♦tr ♥s s s♦♥ ♥ r ♦t tt ♥ t ♥♥t

♥s ♥ ♦tr ♣trs ♦ ts tss t rs♦♥s ♦ ♦rs r ♥♦t

s ♥♦r r t② t ♠♦st r♥t ♦♠♠♦♥ ♥st♦r ♦ st ♦ ♥s

tr t② r ss♠ t♦ ♦♥ t ♠♦♦t r♥ s s q♥t

t♦ ♦♥ ts ♥s s s t t r♥ ♦ t♠ ♥ ♥t

s ♥ r ♥ t t ♥tr② ♦rs s r② ♦s t♦ t ♠♦st

r♥t ♦♠♠♦♥ ♥str ♦ ♦r♥ ♥ s♠ st ♥ ♥♥s

Page 118: Phylogenetic Models of Language Diversification...between Bengali, Persian, and 15 European languages, and noted that on the other hand, Chinese, Hebrew, Malay and urkishT have very

Icelandic

Riksmal

Sandnes

Gjestal

X XI XII XIII

r ♥♦♥ t♦♣♦♦② ♦ t t st ♥s ♦ t ♦rs ♠②❳ ❳ ❳ ❳ t t t ♥ t ♥tr② ♦rs

OldNorse10

OldNorse11

OldNorse12

OldNorse13

Icelandic

Riksmal

Gjestal

Sandnes

0 200 400 600 800 1000

r ♣rs♥tt♦♥ ♥ rt ♦ t ♥♦♥ t♦♣♦♦② ♦ t ♦rs♠② ♦t tt t r♥s ♥ t♦ t ♥str ♥s ♥t

Page 119: Phylogenetic Models of Language Diversification...between Bengali, Persian, and 15 European languages, and noted that on the other hand, Chinese, Hebrew, Malay and urkishT have very

rs♥ ♥ ❱♦t ❬❪ ♠ tt ♥ s st t♦ ♠♦st ♥♦

♥ t♥ t t ♥ t ♥trs ♥ ♣rtr t② ♠ tt

♥ t t r rstrt t♦ t s♦rtr s st ♥ ♥ ♣♣♥①

t st ♦ ♦♥② sss ♦sr ♥ ♦r♥ ♥ s ①t② t st

♦sr ♥ t ♥tr② ♦rs s s tr ♦r t t t② ♦t

t ♦♥② s tr ♦r st ♦r ♦r♥ ♥ ♥s ♦rs

t② sr s rr ♥ trr② ♥ r ♥ t ♥♦t s ♥②♠♦r

♥ s♣♦♥ ♥ s ♦s ♥st st ♣rt ♥ ♥st t ♦t♦♥

❬s ❪ ♥ ♦r ♥②ss ♦rs ♦♥② ①st ♥ trr② ♥ r

trt s s♥t ♥ tt ♥ ❲ s♦ ① trr② ♦rs ♥ t ♦tr

♠♦r♥ ♥s t ts r ♠ ss rq♥t ♣rs♠② s ts

♥s ss ♦ trr② trt♦♥

♦tt♦r♦♥♦♦② s ♦♣ ② s ❬❪ ♥ s ② rs♥

♥ ❱♦t ❬❪ ♥♦t ♦ ♦r ♣♦②♠♦r♣s♠ sr ♦rs ♦r ♦♥

♠♥♥ s②♥♦♥②♠s r ♥ s ♥ ♥ rs♥ ♥ ❱♦t ❬❪

♦♦ ②♠s ❬❪s t♦ t♦ss ♦♥ t♦ ♦♦s ♦♥ t♦ ♣ ♥

t♦ rs♥ ♥ ❱♦t ❬❪ r ♥♦t t♦ ♥ ♣♦②♠♦r♣s♠ t②

st st ♦rs ♦r ♥ ♠♥♥ t♦r② ♥ r② ♥ ♥ tr

♦r sts ❲♥ ♦ ♣ t t ♥ ♥r② ♦r♠t r tr♦r

t♦ ♥ ♦rs ♥ ♥ ♠♥♥ t♦r② ♦r r② ♥ ❲rr

rs♥ ♥ ❱♦t ❬❪ ①♣rss ♦t ♦♥ t ♣rs♥ ♦ ♦♥② ss

♥ ♥ st tt t ♣♦♥t s ♠ss♥ ❲ ① ♥♦♥

♦rr♦♥s ♥ trt ♦rr♦ ♦rs s s♥t ♥ ♦♥ ts ♦♦

t♦ t st ♦ ♦r t② t st♥r ♣r♦r ♦r rstrt♦♥ t s ②

♥ t ❬❪

Page 120: Phylogenetic Models of Language Diversification...between Bengali, Persian, and 15 European languages, and noted that on the other hand, Chinese, Hebrew, Malay and urkishT have very

♥ t ts t ① s♦ ①♣t ♥ t♦

①♣r♥ ss ♥ t♥ r ♥ tr s st♦♥ s ♥

t t ♥②s ② rs♥ ♥ ❱♦t ❬❪ t ♥s t② st

r ♦s♥ s t② r ①♣t t♦ ①♣t♦♥s t♦ s ❬❪s

rt♥t♦♥ ♦♥st♥t ts st♦♥ s s r② ♥ ♣♦♥t ♦t ② ♥♦

❬❪ ♠♣♦rt♥t qst♦♥ s tr ts rt tr♦♥t② s s♦ str♦♥

s t♦ ♣r♥t s r♦♠ ♦rrt② st♠t♥ t ♦ ♥tr♥ ♥♦s

♥ t ♥②ss ♣rs♥t ♥ ts st♦♥ ♥♦t ♥ tstr♦♣

rt tr♦♥t②

r ♠♥ ♥trst ♥ ♣tr s ♥ t♥ ♥str ♥♦s ♠♥

qst♦♥ t ts t s tr♦r tr r t♦ r♦♥strt t

♥♦♥ s ♦ ♥♥t ♥s ♥ t r♥t rs♦♥s ♦ ♦rs r

♥ ♦s sss♦♥ r♠♦♥ t ♦♥str♥t ♦♥ ♦♥ ♥ ♥ tr②♥

t♦ r♦♥strt ts s ♥ t♦♥ ♦r t ♥ t ❬❪

t srs tt ♣r♣♦s t r♦♥strt♦♥ ②s ♦r t ♦♥str♥t

s tr r ♦♥str♥ts ♦♥ t ♦tr ♥s t② st

♦♥str♥ t ♥s ♠♦♥ ♦♥str♥ts t t s♠ t♠ s

♦r t r♠♥ ♥ ts ss ♥ t♦♥ s ♥♦t ♣♦ss

s♥ ♦ t♥ ♥♦ ♦♥str♥ts t ♥ tr♦r ♥♦ ♠♥s ♦

st♠t♥ t ♣r♠trs ♥ s ♥st ♥②s t st rstrt

t♦ ♦♥② t ♥tr② ♦rs ♥ t ♠♦r♥ ♥s ♥ ① µ =

1.86 · 10−4 t ♠♥ r♦♠ ♦r ♠♥ ♥②ss ♦ t ♥ t ❬❪

t ♣rs♥t ♥ ♣tr ttr t♦ ss ♣rt ♣♣r♦ ♦

♥ t♦ r s♠♣s r♦♠ t ♣♦str♦r strt♦♥ ♦r µ

s♠♣ ♥ t♦♥ ts ♦ ♥rs t st♥r t♦♥ ♦

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♦r st♠t ♦ t ♦ ♦rs ❲ ♥♦r t ♥♦♥ ♦♥str♥t

♦♥ ♦rs ♥ tt♠♣t t♦ r♦♥strt t ♦ ts ♥♥t ♥

♦♥str♥t s P ss♠♥ t t r ♦t ♥

♥ t P ♥tr ♦r t r♦♥strt s P ♦♠♣t②

♦r♥ t ♦♥str♥t s s♦s tt ♥ ♦♥ ♥ ♥s t

r② r♥t rt t ♣rs♥ ♦ sr ♥s st ♦s s t♦ ♦rrt②

r♦♥strt t ♦ ♥♥t ♥s tr t♥ s ♦ µ t♥

r♦♠ t ♣♦str♦r s♠♣ ♦ ♥♦tr ♥②ss t ♦ ♥trst♥ t♦ t ♥

♦♥str♥t ♦r ♥♦tr ♥tr♥ ♥♦ ♦ t tr s s t ♠♦st r♥t

♦♠♠♦♥ ♥st♦r t♦ s♠ ♥♥s ♥ st ♥ s ts ♦♥str♥t

t♦ ♦♥t② st♠t µ ♥ r♦♥strt t ♦ ♦rs ♥♦rt♥t②

♥♦ s t♠♣♦r ♥♦r♠t♦♥ t ♦r s♣♦s

rs♥ ♥ ❱♦t ❬❪s ♣♦♥t r♠♥s ♥ tr② t♦ r♦♥strt

t ♦ r♥ t♥ t ♥tr② ♦rs ♥ ♦r♥

♥ s♦ ♦ ♥t t♥ ♥ ②rs ❲ ♥②s t t

t s♠ ♥♥s ♥ st ♦♥str♥ t♦ ♠♦r♥ s ♥ t

t ♥tr② t♠ ♦♥str♥ts ♦♥ t r♥ts ♦rs ♦ ♦rs t

♦ t ♦ ♥ t♦ r② P ♥tr ♦r t ♥t ♦

t r♥ t♥ t ♥tr② ♦rs ♥ ♦r♥ ♥ s

②rs r r♦♠ t ♦rrt r♥ tr t♦ ♣rt t ♦ ♥

♦ ♥ ts s♣t t ♥♥s ♦ rs♥ ♥ ❱♦t ❬❪

r ♦♥r♠ ♥ ♥ t r② ♦ rt ♦♥tss ts ♦

rt ♦♥ ♦♥ r♥ ♦s ♥♦t ♠♣t s♥♥t② ♦r st♠ts ♦ ♦r s

♥ ♣r♠trs t st♠t♦♥ s ①♣♦s t♦ rr♦r ♦♥ t r♥

rs t r♦♦t s ♠♦r r♦st

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♥② ♥②s t ♦♠♣t t t ♦♥str♥ts ♥

♥ t t♦♣♦♦② ♥ t ♥♦ s r ♥♦♥ t ♦♥② ♣r♠tr ♦

♥trst s t t rt µ st♠t t µ = 2.47 · 10−4 ± 4.0 · 10−5

ts②r s s ♥ ♥ t t st♠ts ♦r t ♥ t ❬❪ ♥

②♥ t ❬❪ t sts ♣rs♥t ♥ ♣tr ♠♥ s µ = 1.86·10−4

♥ µ = 2.37 · 10−4 rs♣t② ♠♠r tt ♥ ♥ ♦rs

r ♦s♥ ② rs♥ ♥ ❱♦t ❬❪ s t② r t ♠♦st ①tr♠

①♠♣ t② ♦ ♥ ②t ♦r st♠t ♦ µ s ♥ t s♠ r♥ s ♦r ♦tr

t sts ♥ r t♦ r♦♥strt t ♦ t ♥tr② ♦rs

s s ♦♦ ①♠♣ ♦ t ♠♥ ♥t ♦ ♠♦r♥ ♣②♦♥t ♠t♦s

♥st ♦tt♦r♦♥♦♦② t t② t♦ ♥ ♠♥② ♥s ♥ ♥ ♥②ss

♠♥s tt t ♥tr r♥ ♥ rts ts r ♦t ♥ ♥ st

♦♠♣t st♠ts

s♦♥ t st st ② rs♥ ♥ ❱♦t ❬❪ ♦♠♣rss

♦r♥ t ♥tr② ♦r♥ ♦r♥ ♥ ♥r♥ ♥ s♣♦♥

♥ ❲st ♦r ♦r♥ ♦r♥ s ss♠ t♦ s♥ rt② r♦♠

♦r♥ ♦ ts ♠♦st r♥t ♦♠♠♦♥ ♥st♦r t ♥r♥ s ♥♦t

♥♦♥ t t ♣r♦② s t♦ ♣ ♥ t st ♠♥♠ ♦r♥

t♦ rs♥ ♥ ❱♦t ❬❪ ♥ ♥②② ♦r t t ♥tr② ❨t

♥ t② s ♦tt♦r♦♥♦♦② ♦♥ t ♣r ♦r♥ ♦r♥♥r♥

rs♥ ♥ ❱♦t ❬❪ r♦♥strt ♥ ♦ ♦t P ♥ t

t ♥tr② t② ♠ t♦♦ ②♦♥

♥ ts s t s s② t♦ s ② t r♦♥strt s ♦ t ♠r

tr♦ s t♦r♠♥t st♦r② ♥r♥ s ♦rr♦ ♠♥② ♦rs r♦♠

Page 123: Phylogenetic Models of Language Diversification...between Bengali, Persian, and 15 European languages, and noted that on the other hand, Chinese, Hebrew, Malay and urkishT have very

♦r♥ s s s② t s ts ♦rs ♥ tt t♥s t♦

tr rrr ♣♦♥♦♦ rtrsts ♣② rs♥ ♥ ❱♦t

❬❪ s♣② ♦rs ♥ ♦rr♦ t t② ♦ ♥♦t sr

t♠ r♦♠ tr t s♦ r t♦ rstr t t s♥ t s♠

st♥r ♣r♦r s ♥ t ❬❪ ①♥ ♦rr♦♥s r♦♠ ♦r t

r♠♥t ♦r ①♥ ♦rr♦ ♦rs s qt r ♥ ♥r♥

♦rr♦ ♦r r♦♠ ♦r♥ t ♦r♥ ♦r ♠st r② ♦t

♥ ♥r♥ trt♥ ♦rr♦ ♦rs s ♣rs♥t ♥ t t ♦ tr♦r

s②st♠t② ♥rst♠t t t rt µ ❲ ♦♥ ♥ ① t t

♣r♠tr µ t♦ t ♠♥ r♦♠ ♦r ♥②ss ♦ t ♥ t ❬❪ t

µ = 1.86·10−4 P ♥tr ♦r t ♦ t ♠♦st r♥t ♦♠♠♦♥

♥st♦r t♦ ♦r♥ ♥ ♥r♥ s P ♦♥s ♠♦st

①t② t t st ♠♥♠

❲ r ♥♦t t♦ s t tr st ♦ ♥s st ② rs♥

♥ ❱♦t ❬❪ s t ♦♣ r♠♥♥ ♥ ♦r♥ r♠♥♥

s t ♦r sts r ♥♦t r ♥♦ t♦ tr♥sr ♥t♦ ♥r②

t rs♥ ♥ ❱♦t ❬❪ ♠ tt ts ♥♦tr s r ♥s

♥ t rt s♦r t♥ s ♦r t r♠♥t ♦r ♥♥

♠♥② ♥s rtr t♥ ♦♥② t♦ st ♦s ♥ t ♦ ♥trst♥

t♦ s tr tr rsts r ♥t t ♦tr rt ♥s ♥ t

s♠ ♥②ss

❲ rt♥② ♦ ♥♦t sr t rs♥ ♥ ❱♦t ❬❪ tt tr

s rt② ♥ t ♥♠r ♦ ♥s tt ♦r ♣r ♠♥♠ ♥ r♥t

♥s ♦r ts rt② s t♥ ♥t♦ ♦♥t ② st♦st ♠♦s

Page 124: Phylogenetic Models of Language Diversification...between Bengali, Persian, and 15 European languages, and noted that on the other hand, Chinese, Hebrew, Malay and urkishT have very

♥ ♥ ♥r t ♦s ♥♦t ♥r ♦r t② t♦ t ♥str ♥s ♦r t♦

r♦♥strt t ♠♦ ♣r♠trs t ①♣♦ss s ♠♦r t♦ rr♦rs ♦♥ s

t tt s ♥♦t ♥ st♠t♦♥ ♣r♦♠ ♦ rt ♥trst t♦ s

♥ tr ♦♥s♦♥s rs♥ ♥ ❱♦t ❬❪ ♠ tt t rt

tr♦♥t② t② ①t ♣r♥ts sttst ♠t♦s r♦♠ ♦rrt②

st♠t♥ ts ♥ tt t ♦♦s tt t t♦♣♦♦② ♥♥♦t ♦rrt②

r♦♥strt tr s ♣s①ts♠ s ♥ t r r♦♠ ♦♦s ♥ t

r t s tt ♦r ♠t♦s ♦ ♥♦t ♦rrt② st♠t ts t② ♠②

t♦ r♦♥strt t t♦♣♦♦② st ♥rt♥t② ♥ t t♦♣♦♦②

♦s ♥♦t ♠♣② tt ♥♥♦t r♦♥strt ts ♥ t ♥sts s♦

r t♥ t♦ ♣t t ♠♦r s tt sttst ♠t♦s r t♦ ♥r

t♦♣♦♦s t♥ ts ❬♦♥ ♥ ♦♥ ❪

♥ ts

s st♦♥ ♣rs♥ts ♥②ss ♦ t st ♦ ♥st trs ♦

♥ ts s♣♦♥ ♥ ♥❲ürt♠r ♥ r t

r ♥t② ♦t ② ♦♥ ❬❪ ♦♥ ♠♣s r t♥

tr♥sr ♥t♦ ♥r② t ② ♦tr ❬♣rs ♦♠♠❪ t ♦r ①

r♠♠t ♥ ♣♦♥♦♦ trs ♥ r ♥t♦ t♦rs

♠♥ ♦② ♦♠♠♥t② ♥ ♦t♥ r♠♥ tr ♥ ♥

♦r ♦♦ ♦s♦r t♠ ♥ rs tt ♥ ♣ts r♦♣s ♦♦♦r

♥ tr♥s♣♦rtt♦♥ ① ♦ q♥tts s♦rt ♦s ♦♥ ♦s

♥ ♣t♦♥s ♣♦s ♦♥s♦♥♥ts ♦tr ♦♥s♦♥♥ts ♣♦♥♦♦ r

♦r♠s ♥♦♥ ♥ rt ♦r♠s ♣r♦♥♦♥ ♥ t ♦r♠s ♥ s②♥t①

Page 125: Phylogenetic Models of Language Diversification...between Bengali, Persian, and 15 European languages, and noted that on the other hand, Chinese, Hebrew, Malay and urkishT have very

r♠♠t

t♠♣♦r ♥ ♦r♣ ss ♦ ts t r ♠ s♠r t♥

♦r t ♥♦r♦♣♥ ♠② s s ♠t ①♣t r ♠♦♥ts ♦

♦rr♦♥ ♥ tr ♠♦ ♣r♦② ♥♦t ♣tr t ♥tr ♥st

st♦r② ♦ ts ts ♦♥tss t s rt♥② ♥trst♥ t♦ s tr

r♦♥strt trs ♦♥ ts t s♥ ♦r ♠♦ ♦rrs♣♦♥s t♦ ♥♦♥

st♦r ts

r♦ ♦r♣ ♣♦st♦♥ ♦ t ts ♥ r ♥

s s♦♥ ♥ r rr s♦ s♦♥ ♥ r s str♦♥

♣②s ♦♥r② ♥ s ①♣t t♦ s♣t t ts ♥t♦ t♦ sr♦♣s ♦♥

tr s ♦ t ♦r♥ t♦ ♦tr ❬♣rs ♦♠♠❪ s♦ ①♣t t♦ s

t♦ strs ♦rrs♣♦♥♥ t♦ t t♦ ss ♦ t rr ♥ ♦t ss t

♥s ♣r♦rss r♦♠ ♦rt t♦ ♦t s♦ s♦ s♦ ♦♣ t♦ s ts

♥ t r♦♥strt trs

r s♦s ♦♥s♥ss tr ♦r ♥ ♥②ss ♦ t ♦s♦ ①♦♥

t ♦♥② ♦♥str♥t ♠♣♦s s tt t r♦♦t t♥ ♥

P ♦♥s♥ss tr ♦rrs♣♦♥s ♦s② t♦ t ♦r♣ trs

♦sr r st❲st t ♥ ♦♥ ♦t ss ♣r♦rss♦♥ r♦♠ ♦rt

t♦ ♦t s ♦rrs♣♦♥s t♦ t ♣t ♦♥ t s t ♥s

♦♦♥③ t r♦♥ t♦ t s s♦ ♣♦ss tt t t ♦♥t♥

s♥ ♦r ts t♦♣♦♦② s ① t♠s r ♦rr♦ ♦♥ ts ♣t

♥② tstr♦♣s r ♦♥ ♦♥ t r♥ ♥ t♦ t str♥♥ t

str♥♥ s ♥♦♥ t♦ ♣r♦♠t s t t ♠② ♥♦t ♦rrt②

rt ts t

r ♠♦ s ♦♣ t ① t ♥ ♠♥ ♥ ♣rtr t

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Ries

Ostfranken

Nordbaiern

Ostlech

Nord

Ostlech

Süd

Ammersee

Ost

Lechrain

Ostallgau

Süd

Kemptener

Raum

Memminger

RaumOstallgau

Nord

Ulmer

Raum

Stauden

Dillinger

Wertingen

r ♦ ♦r♣ ♣♦st♦♥ ♦ ♥ ts t ♥ r♣rs♥ts t rr str♦♥ ♣②s ♦♥r② t♥ t st ♥❲st ♦ ts r♦♥

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Ostfranken

Nordbaiern

Ostlech_Sued

Ries

Ulmer_Raum

Ostlech_Nord

Ostallgaeu_Nord

Stauden

Lechrain

Ostallgaeu_Sued

Kemptener_Raum

Ammersee_Ost

Memminger_Raum

Dillingen_Wertingen

94

85

72

89

66

90

85

0 500 10001500

r ♦♥s♥ss tr ♦r ♥ ♥②ss ♦ t ♦s♦ ①♦♥ t ♦♥ ts

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tr tt ♦r ♥ ♦♥② ♦r♥ ♦♥ ♦♥ t tr ♦s ♥♦t ♣♣② t♦

s②♥tt ♦r ♣♦♥♦♦ t r ♥t st ♣♣r♦ s s t ♦♥

sr ② s ❬❪ ♠② ♣♣r♦♣rt s ♠♥t♦♥ ♥ ♣tr t s

s♦ t tr tr ♠♦ s ♣♣r♦♣rt ♦r s t ♥ ♦r

♥②ss ♦ ♣♦♥♦♦ ♥ s②♥tt t ♣r♦ ♠ ss ♦♥♥♥

rsts s t ① t

P♥tt♦♥ rsts

tstr♦♣s r ♥t② ♥tr♦ ♥ ♦r ♠♦ t♦ t ♥t♦ ♦♥t

♣♦ss tstr♦♣ rt tr♦♥t② ♦r ♥♦tr ♣♦ss s ♦

ts tr s t♦ ♥②s t t♥s♦♥ t ❬❪ ♣♥tt♦♥ rsts

t♥s♦♥ t ❬❪ s t♦ tst t ②♣♦tss tt ♥s rs②

t t♦ rts s s♦ rt ♦♥ t ♥tr tr t ♥♥ ♣r♦ss

♥ str rt ♥r t♦ ♥s s♣t ♣♥tt♦♥ rsts r

r sr ♣s ①♣♥t♦♥s ♦r ♣♥tt♦♥ rsts ❲♥ ♥

s ♦♥ ② t ♠rt♦♥ ♦ s♠ sst ♦ ♣♦♣t♦♥ t ♦♥r

t s t♦ st ♥ ♦r s♦rt ♣r♦ ♦ t♠ ♥ s♣tt♥ s

s♦ ss♦t t ♦tr ♥ts ♥ t♦ st ♥ s s r

t♥s♦♥ t ❬❪ st② tr ♥ ♠s ♥♦r♦♣♥

sst ♦ t ②♥ t ❬❪ t str♦♥s♥ ♥ ♥t ♥ ♦rr t♦

tst ♦r ♣♥tt♦♥ rsts t② ♦♥strt ♥ trs ♦r ♠②

s♥ t s♦tr ②srts ❬P t ❪ ♦r t ♥

t s r ♠♦r♥ i.e. s♦r♦♥♦s t② t♥ ♣♦t t ♥♠r ♦ ♥s

t♥ ♥ t r♦♦t ♦ t tr ♥st t ♥♠r ♦ ♥tr♥ ♥♦s

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t♥ t ♥ t r♦♦t ♥ ♥ ♣♦st ♦rrt♦♥ s s♥

♦r t ①st♥ ♦ ♣♥tt♦♥ rsts ② t tt ♣♥tt♦♥

rsts ♦♥t ♦r ♦ ♥s ♥ t st♦r② ♦ t ♥♦r♦♣♥ ♠②

♠♦r rt ② t♦ tst ♦r ♣♥tt♦♥ rsts s t♦ ♥ t♠

rt② ♥ t ♠♦ ♥ ♣♥tt♦♥ rsts ♦r ♦♥ t tr

t② r q♥t t♦ tstr♦♣ ♥t ♦r♥ tr r② s♣tt♥ ♥t

♦r tt t ♣♦st♦♥ ♦ tstr♦♣ ♦♥ r♥ ♦s ♥♦t ♠ttr

♦ ♥ ♣♥tt♦♥ rsts ♥ ♦r ♠♦ tr♦r s♠♣② ♥ t♦

♠♣♦s t ♣rs♥ ♦ ①t② ♦♥ tstr♦♣ ♦♥ r♥ s s♦♥ ♥

r ❲t L ♥s tr 2L− 2 tstr♦♣s ♦♥ t tr g

♦rrs♣♦♥♥ t♦ ♥ t ♥t TC t t♦t ♥t ♦ t tr s

♥♦t ② |g| t ♣r♦♣♦rt♦♥ ♦ ♥ ttrt t♦ ♣♥tt♦♥ rsts

s (2L−2)TC

|g|+(2L−2)TC

❲ s ts ♠♦ t♦ ♥②s t ♥ t ❬❪ t s s t

s♠ sst ♦ t ②♥ t ❬❪ t s t♥s♦♥ t ❬❪ rs♦♥

♦r t♥ ♦♥② sst ♦ t t s tt s♦♠ ♦ t ♥s st ② ②♥

t ❬❪ ♦ ♠ t♦♦ ♦s ♦r tr r♥ t♦ tr② rr

s ♥ s♣tt♥ ♥t r♦r ♥s r r♠♦ r♦♠ t

t t s ♦rt r♠♠r♥ r♦♠ t♦♥ tt t ♦♥ tstr♦♣

♦♥ r② r♥ ♥ t t ♠♣r♦♣r ♣r♦r strt♦♥ ♦♥ t t rt

p(µ) ∝ 1/µ t ♣♦str♦r strt♦♥ ♥ s♦ ♠♣r♦♣r ♥ µ → 0 s

s ♥♦t ♥ ss ♥ ts s s t ♦♦ s r② s♠ ♦r s♠ s ♦ µ

♥ s♦ t ♥r sts ts ♣rt ♦ t stts♣ s♦ ♥ ♠♣♦s

r② ♦♥srt t♦ r♥r♥ t ♣♦str♦r strt♦♥ ♣r♦♣r t♦t

tr♥ t

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r rsts r str② r♥t t♦ t♦s ♦t♥ ② t♥s♦♥ t ❬❪

♥ ♦r ♥②ss t ♣r♦t② ♦ t t tstr♦♣ κ s r② ♦s t♦

♠♣②♥ tt ♣♥tt♦♥ rsts ♦s t♦ ♥♦ t ♦r t ♥

t ❬❪ t ♦r ♠♦ ttrts ♦ ♥s t♦ ♣♥tt♦♥

rsts ♦r t ②♥ t ❬❪ t ♦ ♥s r ttrt t♦

♣♥tt♦♥ rsts

rtr ♦r s ♥ t♦ ♥rst♥ t sr♣♥② t♥ ♦r rsts

♥ t♦s ♦ t♥s♦♥ t ❬❪ t♥s♦♥ t ❬❪ s♦ tr♦

s♠t♦♥ sts tt t ♣rs♥ ♦ ♦rr♦♥ ♥ t t ♦s ♥♦t ♠♣t

tr ♠♦ ♦ ♣♥tt♦♥ rsts t ♦ ♦r ♥trst♥ t♦ s

tr t ♣rs♥ ♦ tstr♦♣ rt tr♦♥t② ♦r tr s

s♥ ♥ t t s s♦♥ ♥ t♦♥ ♥ ♥tr♦s s ♦r ♦r

♥st ♣♥tt♦♥ rsts ♥ tr ♠t♦♦♦② ♦t s♦ tt ♦r ♠t♦

ss♠s qs③ tstr♦♣s ♦♥ r♥s ♥ tt ♥ t♥s♦♥

t ❬❪ ♦r ♠♦ ♦ ♥ ♥ s ♦ ts ♠t ①♣♥ t

sr♣♥②

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albanian

greek

armenian

tocharian_atocharian_b

oldpersianavestan

vedic

latin

oscanumbrian

oldirish

welsh

gothic

oldhighgerman

oldenglish

oldnorse

oldcslavonic

oldprussian

lithuanianlatvian

hittitelycian

luvian

0 10002000300040005000600070008000

r ①♠♣ tr t ♣♥tt♦♥ rsts ♦♥ tstr♦♣ ♦♥ r♥

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♣♣♥①

s st

s ♣♣♥① s ♠♥♥ t♦rs ♥ t st♥r s st

s ② ♥ t ❬❪ ②♥ t ❬❪ ♥ rs♥ ♥ ❱♦t ❬❪

r ♥ ♥♠r ♦ ♠♥♦r st♠♥ts sst ♦r ts st

♠♦r r♥♠♥t s ♥ s s♦rt♥ t st t♦ ♠♥♥

t♦rs ♠♥♥s r s♦ ♥ ♥ t s♦rtr st r

♥t ♥ ♦

♥♠

ss

t

r

s

r

t

♦♦

♦♥

rst

rt

r♥

♦♠

♦♥t

t

rt②

r♥

r②

st

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r

rt

t

r

t

tr

r

tr

t

r

s

♦t

♦r

♦♦t

♦r

r③

♦♦

rss

r♥

ts

r

r

rt

r

t

♦r♥

♥t

s♥

♥♦

t

r

♦♥

♦s

♠♥

♠♥②

♠t

♠♦♦♥

♠♦tr

♠♦♥t♥

♠♦t

♥♠

♥rr♦

♥r

♥t

♥♦s

♥♦t

♦♥

♦tr

♣rs♦♥

♣②

♣s

r♥

r

rt♦rrt

rt s

rr

r♦

r♦♦t

r♦♣

r♦tt♥

r♦♥

r

st

s♥

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s②

srt

s

s

s

s

sr♣

s♦rt

s♥

st

s♥

s②

s♣

s♠

s♠

s♠♦

s♠♦♦t

s♥

s♥♦

s♦♠

s♣t

s♣t

sq③

st

st♥

str

st

st♦♥

strt

s

s♥

s

s♠

t

t♥

tt

tr

t②

t

t♥

t♥

ts

t♦

tr

tr♦

t

t♦♥

t♦♦t

tr

tr♥

t♦

♦♠t

r♠

s

tr

t

t

r

t

t

♦♠♥

♦♦s

♦r♠

②r

②♦

Page 135: Phylogenetic Models of Language Diversification...between Bengali, Persian, and 15 European languages, and noted that on the other hand, Chinese, Hebrew, Malay and urkishT have very

♦ ♥♦tt♦♥s

♦♦♥ t s r sr♣t♦♥ ♦ t ♥♦tt♦♥s s ♥ tstss s s t ♣ r t ♥♦tt♦♥ s ♥tr♦ t♦ t ♠ts③ ♦ t ♣ts s♦♠ ♥♦tt♦♥s sr ♠♥♥s t t ♦♥t①t②s ♣r♥ts ♥② ♦♥s♦♥

♦tt♦♥ ②♣ sr♣t♦♥ P

A ♥♦ t ♠ ♥♦ ♦ tr ♥ ② r♥ ♦♥♥t ♥t t♦ t r♦♦t

a ♥tr ♥① ♦ ♦♥② ss ♦r ♦♠♥ ♦ D 1 ≤ a ≤N

B ♠tr① ♥② ♠tr① ♥ ♣rt ♦♥ ♦ D D∗ I B st ♦ s t st ♦ s t t st L − d′ s♥♥ts

BC,C−c r ②s t♦r b r t ♦ ♦rr♦♥ t rt ♦ ♦rr♦♥ s

C ♥tr t ♥♠r ♦ ♦♥str♥ts C r ♥t ♦♥st♥t C r t ♣r♦♣♦rt♦♥ ♦ sr ♦♥ts t♥ t♦

♥s

c ♦♥str♥t ♦♥str♥t ♦♥ t tr c1, c2 ♥♦ t r♥ ♥♦s ♦ ♥♦ i D L × N

♠tr①t ♥trs ♥ ♦r

D∗ L × N∗

r♥♦♠♠tr①

♥♦t♦♥ r♥♦♠ ♥r② t ♠tr①

D∗ L × N∗

♠tr①r③t♦♥ ♦ D

Da st ♦t♦rs

st ♦ t♦rs d∗ ♦ ♥ ♦♠♥ a

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♦tt♦♥ ②♣ sr♣t♦♥ P

D L × N♠tr①

♠s rs♦♥ ♦ D∗ ♦rrs♣♦♥s t♦ D∗ ts♦♠ ♥trs r♣ t ♥ t♦ D t ①tr♥rstr ♦♠♥s

d, d′ ♥trs ♥trs ♥♦ ♥ t rstrt♦♥ ♦♥t♦♥ss② q t♦ ♦r

d∗ ♥r②t♦r

♦♠♥ ♦ ② t t

E st ♦ s t st ♦ s ♥ tr E ♥t t ♥t tt ♦♥② ss s rstr

E〈i,j〉 st ♦ s t st ♦ s ♥♦r♥ 〈i, j〉

2F0 ♥t♦♥ ♥r③ ②♣r♦♠tr ♥t♦♥ f ♥t♦♥ ♣r♦r strt♦♥fG ♥t♦♥ t ♣r♦r strt♦♥ ♦♥ trs g tr ♥r② r♦♦t tr I∗ L × N∗

r♥♦♠♠tr①

r♥♦♠ ♥t♦r ♠tr① ♦ ♦srt♦♥s

I∗ L × N∗

♠tr①r③t♦♥ ♦ I

i ♥tr ♥① ♦ ♥ ♦r ♥♦ ♦ tr ♦r r♦ ♦t t D 1 ≤ i ≤ L

j ♥♦ ♥♦ ♦ tr ♦t♥ t ♣r♥t ♦ ♥♦ ik t♦r ♦

♥trst♦r ♦ ♥♠r ♦ tstr♦♣s

ki ♥tr t ♥♠r ♦ tstr♦♣s ♦♥ i, j L ♥tr ♥♠r ♦ ♥s

L(x) ♥t♦♥ t ♦♦ ♥t♦♥M st ♦

♥trs ♦♥② ss M ⊆ 1, 2, ..., L

MC ♠♦ t ♥ ♠♦ t ♦♥str♥ts ♥ MC−c ♠♦ t ♠♦ t ♦♥str♥t c r♠♦

m st ♦♥trs

st ♦ ♥s s♣②♥ ♦♥② ss ♥ t♥♦sr ♦♠♣t t

ma st ♦s

st ♦ s ♥♦♥ t♦ s♣② ♦♥② ss a

N ♥tr ♥♠r ♦ ♦♥② sss N∗ ♥tr ♥♠r ♦ ♦♥② sss ♦r♥ ♦♥ t tr

♥♥ ♥rstr sss

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♦tt♦♥ ②♣ sr♣t♦♥ P

Nsamp ♥tr t ♥♠r ♦ s♠♣s ♥ r♥ p ♥t♦♥ ♣r♦r strt♦♥Q ♥t♦♥ ♥t♦♥ ♦♥t♥ t ♥♠r ♦ s ♥ ♦♠♥ Qa ♥tr ♥♠r ♦ ♥s ♦r t t ♦r

♦♥t a s

q ♥t♦♥ ♣r♦♣♦s strt♦♥ qi ♥tr t ♥♠r ♦ s ♥♦r♥ 〈i, j〉 R ♥t♦♥ rstrt♦♥ r r ♥♦ t r♦♦t ♦ tr r r ss rt♥t♦♥ rt

ri,j r tr♥st♦♥ rt rS ♥t♦♥ t t♦♦rrt♦♥ ♥t♦♥ ♦ sttst S ♦

r♦ ♥

S st ♦♥♦s

t st ♦ ♥♦s ♥ s ♥♦t ♦♥ ♦ ② ♦♥str♥t

si ♥tr t ♥♠r ♦ s s♥ r♦♠ ♥♦ i T r ♣♣r ♦♥ ♦♥ t ♦ t r♦♦t Tb r t t♠ tr ♦ ♦rr♦♥ s ♥♦ ♦♥r

TC r ♠♦♥t ♦ t♠ q♥t t♦ tstr♦♣ ti r t ♦ ♥♦ ♦r i tr r t ♦ t r♦♦t r t t♦r ♦

rst t♦r ♦ s ♦ ♥♦s ♥ tr t =(t1, t2, ..., tA)

u(n)i r t ♣r♦t② ♦r ♦♥t ss ♣rs♥t t ♥♦

i t♦ rstr t ①t② n s ♦ i

V st ♦♥♦s

t st ♦ ♥♦s ♦ tr

VL st ♦s

t st ♦ s ♦ tr VL ⊂ V

V(i)L st ♦

st st ♦ s s♥ r♦♠ ♥♦ i

v(n)i r t ♣r♦t② ♦r ♦♥t ss ♣rs♥t t ♥♦

i t♦ rstr ♦r ♠ss♥ t ①t② n s♦ i

(Xn) r♥♦♠♣r♦ss

r♦ ♥

x stt stt

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♦tt♦♥ ②♣ sr♣t♦♥ P

Y ♥t♦♥ ♥t♦♥ ♦♥t♥ t ♥♠r ♦ s ♥ ♦♠♥ Ya ♥tr ♥♠r ♦ ♥s ♦r t t ♦r

♦♥t a s

ZD ♣♦♥t♣r♦ss

t ♣♦♥t ♣r♦ss ♦ rt ♦t♦♥s ♦♥ t tr

z ♥♦t♠♦♣

♣♦♥t ♦♥ t tr

α r ♣tt♦♥ ♣r♦t② α, β rs t ♣r♠trs ♦ ♠♠ strt♦♥ Γ st ♦ trs t st ♦ r♦♦t ♥r② trs t L

st♥s s

Γ(c) st ♦ trs t st ♦ trs ♦②♥ ♦♥str♥t c ΓC st ♦ trs t st ♦ trs ♦②♥ ♦♥str♥ts δi,j r t ♣r♦t② ♦r ♦♥② ss t♦ sr ♦♥

〈i, j〉

ǫ r t ♥t ♦ t♠ t♥ ts ♥ rts t tstr♦♣ r② ♦s t♦

η r ♥ rtrr② t♦r θ st ♦

♣r♠trs♦♥♥s ♥♦tt♦♥ ♦r st ♦ ♣r♠trs ♦r①♠♣ θ = (g, κ, ρ, ξ)

κ r ♣r♦t② ♦ t ♦ ♦♥t t tstr♦♣

Λ([g]) r ♥♦r♠③♥ ♦♥st♥t Λ([g]) =∫

[g]λ(z) dz

λ r rt rt ♦ ♦♥② sss ♦ts ♦ tstr♦♣s

λ ♥t♦♥ t rt rt ♦ ♦♥② sss t ♣♦♥t ♦♥t tr

µ r t rt ♦ ♦♥② sss ♦ts ♦tstr♦♣s

ν r ♠♥ ♥♠r ♦ rts t tstr♦♣ ξi r ♣r♦t② ♦r ♦♥t ss t♦ ♠ss♥ t

i

ξ t♦r ♦rs

t t♦r (ξ1, . . . , ξL

πi r t qr♠ ♣r♦t② ♦ s♣②♥ i ♦♥②sss

ρ r rt ♦ ♦rr♥ ♦ tstr♦♣s σ(t) ♣r♠tt♦♥ ♦rr ♦ t ♥tr♥ s t τ r t♠ ♦♥ ♥ ♦ t tr

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♦tt♦♥ ②♣ sr♣t♦♥ P

τS r t t♦♦rrt♦♥ t♠ ♦ sttst S Ωa st ♦ sts

♦ ♥trsst ♦ ♦♥② sss ♦♥sst♥t t t t ♦r♦♥② ss a

Ω st ♦ sts♦ sts ♦♥trs

t t♦r (Ω1, Ω2, ..., ΩN)

ω st ♦♥trs

♣♦ss ♦r t st ♦ ♥s t ♦♥② ss s s♣②

Page 140: Phylogenetic Models of Language Diversification...between Bengali, Persian, and 15 European languages, and noted that on the other hand, Chinese, Hebrew, Malay and urkishT have very

♦r♣②

r♠♦t③ ♥ t♥ ♥♦♦ ♦ t♠t ♥t♦♥s t♦r♠s r♣s ♥ t♠t s ♦r ❨♦r ♥♥t ♦r♣r♥t♥ t♥t ♣♦ ♣r♥t♥ t♦♥

s②♥♦ ♥ r ❲♥r ♥ ♦♦ t♦stt ② ♦♠♣♦s♥ ♦ Prs♠♦♥♦s ♦♦s ②st♠t ♦♦②

t♥s♦♥ ♦s ❲ ♥ r② r♦♠ ♦rs t♦ tstr ♥t♦ ♥ ♠t♠ ♦r ♣②♦♥t ♥r♥ r♥st♦♥s ♦t P♦♦ ♦t②

t♥s♦♥ ❱♥tt r♥ ♥ P ♥s♦ ♥ ♣♥tt♦♥ rsts ♥

rr♦♦ ♦ ♥ P ♦♥s♦♥ ♣②♦♥② ♦ t♥trr② s tr

s ♦♠♣rt ♥♦r♦♣♥ ♥sts ♥ ♥tr♦t♦♥♠str♠ ♥♠♥s

♥ ♠ P r ♥ ❱é ♥ st ♦♥strt♦♥ ♦♥st rs tr♦ ❱♦ t ♦r♥ ♦ ♥ttt ♥sts

rs♥ ♥ ❱♦t ♥ t t② ♦ ♦tt♦r♦♥♦♦② rr♥t♥tr♦♣♦♦②

st ❲② ①♦sttsts ♦s♥t ♦r t ♥rs ♦♥st♥t ②♣♦tss♥ t str♦♥s♥ ♥s ♠ ♣t ♥ st♦r ♥sts

♦rôté P ♥ rts ♥ ♥ Pr♦st♣♣r♦ t♦ r♦♥ P♦♥♦♦② ♠♣r t♦s ♥ tr

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♥ Pr♦ss♥ ♥ ♦♠♣tt♦♥ tr ♥ r♥♥P♦

r②♥t ♠♦♥ ♥ r② ❯♥t♥♥ ♦r ♣st ♥s trss♣ts ♥ ♥t♦rs ♦t♦♥ ♦ tr rst② P②♦♥t♣♣r♦ ♣s

♠♣ ♥s ♥ ♥s ♥ ♦♦rt♦♥ s♦♠ ♣rt ♠ttrs♥ ♥ ♥ ♥s ♥ ♥trs♣♥r② ♦♥r♥ ❯♥rst② ♦♦r♥ ♥t rr ♣s

♦r③ P③③ P ♥♦③③ ♥ ♦♥t♥ ♦♥strt♦♥ ♦♠♥ ♦t♦♥ r♥♥ t♦tr ♥t r♦♦ ♥ ♥stt Pr♦♥s ♦ t t♦♥ ♠② ♦ ♥s

♦r ♥ ♥♥♥ t♥♦♥ss rss ♣②♦♥ss ♥ ♣rst♦rtr ♥ s st② s♥ r♦♣♥ ♥♦t ♣♦ttr② ♥ ♦♦♣②♦♥t t♥qs r♦♥ts ♥ t ♣♦♣t♦♥♣rst♦r② ♦ r♦♣ ♠r ♦♥ ♥sttt ♦r r♦♦sr ♣ ♣s

♦♠r P♦st♦♥ ♣♣r ♦r t ♥s ♥ ♥s ♦♥r♥ t ❯♣t♠r

❲ r♦t ♦t♦♥r② ♥sts ♥♥ ♦ ♥tr♦♣♦♦②

r♥ s♥t ♦ ♥ ♥ t♦♥ ♥ t♦♥ t♦ ①

♠♦♥ ♥ P ♦♦ r♠rs ♥ tr ♥s t rst①♣♥s♦♥s ♥

♦♦ s ♦s é♦t♦♥ t♥ ♦été é♦♦ Pé♦♥t♦♦ t ②r♦♦ r♥st ♥ ♦ ❬❪

r♠♠♦♥ ♥ ♠t ②s♥ ♦t♦♥r② ♥②ss ②s♠♣♥ trs ♦t♦♥r② ♦♦②

r♠♠♦♥ ♦s ♦r♦ ♥ ❲ ♦♦♠♦♥ st♠t♥tt♦♥ Pr♠trs P♦♣t♦♥ st♦r② ♥ ♥♦② ♠t♥♦s②r♦♠ ♠♣♦r② ♣ q♥ t ♥ts

r②r s♣♠t ♥ ♦♠r ❲♦r ts ♦ ♥trtrs

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♥♥ rr s♥ ♦② ♥ ♥s♦♥ trtr♣②♦♥ts ♥ t r♦♥strt♦♥ ♦ ♥♥t ♥ st♦r②

♥♥ ♥s♦♥ ♥strö♠ s♥ ♥ rr trtr♣②♦♥② ♥ st♦r ♥sts ♠t♦♦♦ ①♣♦rt♦♥s ♣♣ ♥s♥ ♥s ♥

②♥ rs ♥ t r♦♠tt♣♥tt♦♥♥s① ♥r② t r♦♠ tt♣♣s②♥♥③♣s②rsrssstt♠

♠t♦♥ ttsts ♥ st♦r ♥sts r♦♠②r

♥s♠♥r r♥st♦♥ ♦sts ♥ s♠ ①♣♥♥ ♦♥rs♦♥ ♥ r♦r♥ ♦ ♥sttt♦♥ ♥ ♦rt ♦♥♦♠s

♥s ♥ ♥ ❲r♥♦ ♥r♥ ♦ r♥ t♠s s sttst ♥rs ♣r♦♠ P②♦♥t t♦s ♥ t Prst♦r② ♦♥s ♦♥ ♥sttt ♦♥♦r♣s ♣s

rrs P②♦♥t ♥②ss ❯♥r ♦♦s ②st♠t ❩♦♦♦②

s♥st♥ ♥rr♥ ♣②♦♥s ♥r ss♦ts ♥r♥ ss❯

❲ t ♦r ♥♥ t ♦rs ♦ ♦t♦♥ ♠♥♠♠ ♥ ♦r s♣ tr t♦♣♦♦② ②st♠t ③♦♦♦②

❲ t ♥sts♥ ♥s ♥ tr

P ♦rstr ♥ ♦t ♦r ♣②♦♥t r♦♥♦♦② ♦ ♥♥ts t ♥ ♥♦r♦♣♥ Pr♦♥s ♦ t t♦♥ ♠②♦ ♥s

♦rt♥t♦ ♦♥ ♥ r♦♠ rt t♦ ♦r② ②s♥ st♠t♦♥ ♦ ♥str tts ♦ rr r♥srs ♥ ♥♦r♦♣♥ r♦♣s ♠♥ tr

♠♥ ♥ t ♥②ss s♥ rrss♦♥ ♥♠trr ♠♦s ♠r ❯♥rst② Prss ❨♦r

Page 143: Phylogenetic Models of Language Diversification...between Bengali, Persian, and 15 European languages, and noted that on the other hand, Chinese, Hebrew, Malay and urkishT have very

②r Prt ♠r♦ ♥ ♠♦♥t r♦ ttst ♥

♠ts ♥ ♥♥ ♣rst♦r② ♦ str♥ r♦♣ P♦②s♠

♥♥r ♥s♥ ør♥s♥ ♦♥qst s♥ ♥ ❲rs ②s♥ ♥r♥ ♦ t t③♦♥ P②♦♥② ♦♠♥♦r ♥ ♦r♣♦♦ ♣♣r♦ rr♥t ♦♦②

P ♦♦♦ ♥ P♦ Prs♠♦♥② ♥ ②s♥ ♣②♦♥ts Prs♠♦♥②P②♦♥② ♥ ♥♦♠s ♣s

♦ ♦♦ ♦♥ ♦♦s rrrst② ♥ t stts ♦ ♦t♦♥r②s ♦r♥ ♦ t st♦r② ♦ ♦♦②

r② ♥ t♥s♦♥ ♥tr r♥ t♠s s♣♣♦rt t♥t♦♥ t♦r② ♦ ♥♦r♦♣♥ ♦r♥ tr

r② ♥ ♦r♥ ♥ trs s♣♣♦rt t ①♣rsstr♥ sq♥ ♦str♦♥s♥ ①♣♥s♦♥ tr

r② r♥ ♥ ♦ss ♣srs ♥ ♣rs ♦ r♥③♥tr t ♣②♦♥s ♦♦ ♦r②

r♥r ♥ ♥ t ♠rs t♥♦r ❯♥rst② Prss

r♥ rr ♥ r② ♦s ♦r③♦♥t tr♥s♠ss♦♥ ♥ttr ♣②♦♥s Pr♦♥s ♦ t ♦② ♦t②

♦♥ ♥t ♥ trs rt t s♣r ♦ r♠♥ r♦ss sr♥ r ♠①♠♠♣rs♠♦♥② ♥②ss Pr♦♥s ♦ t ♦②♦t② ♦♦ ♥s

♦♥ ♥ ♣r ♦ tt t♦ t ♦ss ♦ ♠tr♥ s♥t♥ r ♦♦t♦♥r② ♥②ss Pr♦♥s ♦♦ ♥s

♦♠ ♥ r♦rt♠ ♦ ♥♦r♦♣♥ ïtrsï ♥ ♥♦rt♠s r t ♣②♦♥② ♥ ♥ ♣rst♦r② ♦ ♥♦r♦♣♥♦r♥ ♦ ♥ttt ♥sts

s♥ ♥ ♦♥qst ❨ ②s♥ ♥r♥ ♦♣②♦♥t trs

Page 144: Phylogenetic Models of Language Diversification...between Bengali, Persian, and 15 European languages, and noted that on the other hand, Chinese, Hebrew, Malay and urkishT have very

s♦♥ ♥ t P②♦♥t trs s ♦♥ ♥ ♦♥t♥t♦♥♦r♠ts

②♠s ①♦sttsts s♦ r rr♥t ♥tr♦♣♦♦②

♥♦ P ♦♥♦ ♥ ❩ ❨♥ ♠♣t ♦ t r♣rs♥tt♦♥ ♦ ♦ssrt♦♥s ♦♥ ②s♥ st♠t♦♥ ♦ s♣s r♥ t♠s ②st ♦

♦♥s ♥s♣ ♥ ♣ st♦r② ①♣♦r♥ ♦♥♥t♦♥s t♥ trrs ♥s ♥ ♥s ♠r♥ ♥tr♦♣♦♦st

P ♦r♥ ♥ ♥♥♥ tr tr♥s♠ss♦♥ ♥ ♥ str②trt♦♥s ♠♦♥st t ♦r♥ ♥♥s ♦r♥ ♦ ♥tr♦♣♦♦r♦♦②

t♥ rt ss ♥ ♥ ②s♥ ♣②♦♥t♥②ss ♦ ♠t ♥s ♥ts ♥ r② r♦♥③ ♦r♥ ♦ ♠t♥ t r st Pr♦♥s ♦ t ♦② ♦t②

❲ ♦♥ ♣rts ♦♥ ②rs♥

♥s♥ ♦① ♦♥② r ♠r rtP ♦rqst ♦♥r ♦②♦ ❲t♥s t ♦♦t♦♥ ♦♥s ♥ ♥s ♦♥ t s♥ ♦ ♠ str♥ ♥♦♥s Pr♦♥s♦ t t♦♥ ♠② ♦ ♥s

rt ♥ ♠♦♥ r♦ ♥ ♦♥t r♦ ♦rt♠s ♦r t②s♥ ♥②ss ♦ ♣②♦♥t trs ♦r ♦♦② ♥ ♦t♦♥

❲ s♥ rtr ts s ♦♥ t ❯♥q② r rtr♦♥♣t ②st♠t ❩♦♦♦②

P s ♦♦ ♣♣r♦ t♦ st♠t♥ P②♦♥② r♦♠ srt♦r♣♦♦ rtr t ②st♠t ♦♦②

r♠♥ s♦♥ ♥ ♥ ♦ ♥t②♥ t♦t♦♥r② ②♥♠s ♦ ♥ tr

♥ ♦♥ ♣②♦♥t ♣♣r♦ t♦ tr ♦t♦♥ r♥s♥ ♦♦② ♦t♦♥

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❲ ② ♥ ♦♥r ♦♠♣t♥ ♦r s♠rt② ♥ ♥t②♥♦♥ts t Pr ♥ r♦ ♦s ♥ Pr♦♥s ♦ t t♦♥r♥ ♦♥ ♦♠♣tt♦♥ tr ♥ r♥♥ ♦ ♣s

t ②r③t♦♥ s ♥ ♥s♦♥ ♦ t ♥♦♠ r♥s ♥ ♦♦② ♦t♦♥

♦r② ♥ sr ♦ t ♥♦r♦♣♥s ♥ r♦♦② ♥ ♠②t♠s ♥ s♦♥

rrs ♥ rrr tr

♦♥ ♥ ♦♥ ♥ sst♦♥ ② ♠rs ①♦r♥sts

♦♥ ♥ ♦♥ ❲② ♥sts ♦♥ït ♦ ts ♥r♦♠ ♥♦r♦♣♥ ♥ str♥ ♥s P②♦♥t t♦s ♥t Prst♦r② ♦ ♥s ♣

s♦ ❲t♥ ♥ ♥ rrs♦♥ Prs♣t s ♠♥tr ♦t♦♥ r♥♥ ♥ r r♦♠ t ♣rs♣t ♦ r♥ ♦ ♣s ♦t♦♥

♦rs ♥ ♦♥tt ❯♥rss ♦ ♠♥ ♥

r ♦rr♠r s♠♥ ♥ rt♦♥ st② ♦ str♥ ♥s♣ ♥ ♠rr s♥ ♣②♦♥t② s ♦♠♣rt♠t♦ ♠r♥ ♥tr♦♣♦♦st ♣s

♥ ♥ ❲r♥♦ Prt ♣②♦♥t ♥t♦rs ♥ ♠t♦♦♦② ♦r r♦♥strt♥ t ♦t♦♥r② st♦r② ♦ ♥tr♥s ♥

♦s ♥ r② t ♥str trs r♦♠ ♥r② trt t ♥tr ♣♣t♦♥ t♦ t rst♦♥ ♦ ♥s ♦r♥ ♦ t ♦②ttst ♦t② rs ttst t♦♦♦②

♦s ♥st rst② ♥ ♣ ♥ ♠ ❯♥rst② ♦ ♦Prss

♥♥ r ♥ ♥② ♦♠♣rt ♠t♦s ♦r st②♥tr trt ♦t♦♥ s♠t♦♥ st② r♦sstr sr

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r♥ ♥ ②♠♥ ♦t♦♥r② r♦♦② rr♥t stts ♥ tr♣r♦s♣ts ♦t♦♥r② ♥tr♦♣♦♦②

r♥ r♥t ♥ ②♠♥ sts s s ♦r r♦♥strt♥r♦♦ ♣②♦♥s P♦♥♥ ♣♦♥ts r♦♠ t s♦tstr♥❯♥t tts ♦r♥ ♦ r♦♦ ♥

r♥ ②♠♥ ❨ r♥t ♥ ♦r ♦sss ♥ r♦♦ ♣②♦♥ts t①♦♥ ♦♥strt♦♥ ♥ ♦tr♦♣st♦♥ ♦r♥ ♦ t♦rt ♦♦②

P ♠t♦ ♦r t ♥②ss ♦ ♦♠♣rt t ♦r♥ ♦♦rt ♦♦②

P ttst ♥②ss ♦ ♦♠♣rt t r♥s ♥ ♦♦② ♥♦t♦♥

P ♠♣ts r ♦♦s r♥s ♥ ♦♦② ♦t♦♥

P ♥ st♠t♥ rts ♦ ① r♣♠♥t ♦♥♣②♦♥t trs ♦ ♥s ♥ P②♦♥t t♦s ♥ t Prst♦r②♦ ♥s ♦♠ ♣ ♦♥ ♥sttt ♦r r♦♦sr

P ♥ rr ②s♥ st♠t♦♥ ♦ ♥str rtrstts ♦♥ ♣②♦♥s ②st♠t ♦♦②

P t♥s♦♥ ♥ rq♥② ♦ ♦rs ♣rts rts♦ ① ♦t♦♥ tr♦♦t ♥♦r♦♣♥ st♦r② tr

Prs♦♥s ♠♥s ♦ ♣t ♥ st♦r ♥qrs ♥t♦ t ♥t②♥ ♦r♥s ♦ t r♦♣♥ ♥s

tr② ②♣♦tss tst♥ ♥ ♠♦ st♦♥ ♥ ❲ s rs♦♥♥ ♣tr t♦rs r♦ ♥ ♦♥t r♦ ♥ Prt♣♠♥

♥♥ ♥ ❩ ❨♥ ♥rr♥ s♣t♦♥ t♠s ♥r ♥ ♣s♦ ♠♦r♦ ②st♠t ♦♦②

♥r r♦♦② ♥ ♥ P③③ ♦ ♥♦r♦♣♥ r♥srr♥t ♥tr♦♣♦♦②

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①♦ r②♥t ♥ ❩r③② st ♥②ss ♦ ♥s ♥♦r♦♣♥ sst♦♥ s ♦♥ ①♦sttst t sts

♥ ❲r♥♦ ♥ ②♦r ♥♦r♦♣♥ ♥ ♦♠♣tt♦♥sts r♥st♦♥s ♦ t P♦♦ ♦t②

♦ ♥♥ ♥ t ♦rs ❯♥rst② ♦ ♦♠ Prss

♦♥qst s♥ ♥ P ♥ r r r②s ♥♦♦ ♦ ♦♠♣tt♦♥ ♥ ♦r tt ❯♥rst②

♥♦ ♥ t rt ♦ r♣♠♥t ♦ ♦r♠♥♥ rt♦♥s♣s♥ ♣s

r ♥sts ❯♥trs♥♥ ♣r♥ r♦♣s♥ s②st♠tsr Ürst ♦♥♥ ö♥

r ♥ ♥ ♥♦r♠♥sr rs♣r tr ③r r♥♥ ♣r♦rs♥ ♠ t r rs♥ts♥ ♥ ss♥ ♣r♥

♠t ❱r♥tstsrït♥ss r ♥♦r♠♥s♥♣r♥ ♦♥♥

r ♥ Ptr♦♥ ♥♦r♦♣♥ ♥s tr ② ♥st♥st♥ Pr♦♣②ss ttrs

♥♥♥ ♥ ♥♦r♦ Prst♦r ♣♦♣t♦♥ st♦r② r♦♠ tt t♦ t t ♦t ♥ ♥tr ♥ ♦rtr♥ r♦♣ ♦r♥♦ r♦♦ ♥

t♦♥ t♦s ♦ ❯s♥ P②♦♥t ②st♠ts t♦ ♦♥strt tst♦r② ♦ t ♥r r♣t r♦♠tr②

s ①♦sttsts ② r♦♠ t r♠r ♥♥ ♣♦♣ ♣r♦♣s♥ ♣r♦♠s r♥st♦♥s ♦ t P♦♦ ♦t②

♣♥r ♦r♦ ❲♥ rr♦♦ ♦♦♥② P ♦♥s♦♥ ❲r♥♦ ♥ ♦ ♥②③♥ t ♦rr ♦ t♠s ♥ ♠♥sr♣ts ♦ ♥trr② s ♦♠♣trs ♥ t ♠♥ts

♣♥r s♦♥ rr♦♦ ♥ ♦ P②♦♥ts ♦ rt♠♥sr♣ts ♦r♥ ♦ t♦rt ♦♦②

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s ①♦sttst t♥ ♦ ♣rst♦r t♥ ♦♥tts t s♣rr♥ t♦ ♦rt ♠r♥ ♥♥s ♥ s♠♦s Pr♦♥s ♦ t♠r♥ ♣♦s♦♣ s♦t② ♣s

♦♠s♦♥ ♥ t ♥♣rtt② ♦ ♦♥tt ts ♦♦♥stts

♦♠s♦♥ ♦♥tt♥ t②♣♦♦ ♥ ♥ t②♣♦♦② ♥♥ ♥rss ♥ ♥tr♥t♦♥ ♥♦♦ ♣s

♦r♥ ♥ s♥♦ r♥ t♠ ♥ ♦t♦♥r② rt st♠t♦♥t ♠t♦s t ②st♠t ♦♦②

♦r♥ s♥♦ ♥ P♥tr st♠t♥ t rt ♦ ♦t♦♥ ♦ trt ♦ ♠♦r ♦t♦♥ ♦r ♦♦② ♥ ♦t♦♥

r♥② ♥ r♦♥ tstr♦♣ r② ♦♦♥ s rs ♠♥♠rt♦♥ ♥ t ♦t tr♥st♦♥ ♥ r♦♣ tr♥r② ♥s

❱s♦ ♣r♦r ♣r♦ts ♦ ♣②♦♥t trs ♦♦② ♥P♦s♦♣②

❲ ♦♦ ♦r t ♦♦ts ♦ ♥ ❨♦r ♠s

❲r♥♦ ♥s ♥ ♥ t♦st♠♦ ♦ ♥ ♦t♦♥ tt ♥♦r♣♦rts ♦♠♦♣s② ♥ ♦rr♦♥P②♦♥t t♦s ♥ t Prst♦r② ♦ ♥s

❩ ❨♥ ♥ ♥♥ ②s♥ ♣②♦♥t ♥r♥ s♥ sq♥s r♦ ♥ ♦♥t r♦ ♠t♦ ♦r ♦♦② ♥♦t♦♥

❩ ❨♥ ♥ ♥♥ ②s♥ st♠t♦♥ ♦ s♣s r♥ t♠s♥r ♠♦r ♦ s♥ ♠t♣ ♦ss rt♦♥s t s♦t ♦♥s♦r ♦♦② ♥ ♦t♦♥

❩ ❨♥ ♠r ♥ ♥ ♠t♦ ♦ ♥r♥ ♦ ♥str♥♦t ♥ ♠♥♦ sq♥s ♥ts

❨ ♠t♠t t♦r② ♦ ♦t♦♥ s ♦♥ t ♦♥s♦♥s ♦ r ❲s P♦s♦♣ r♥st♦♥s ♦ t ♦② ♦t② ♦ ♦♥♦♥rs ♦♥t♥♥ P♣rs ♦ ♦♦ rtr