# Tamara Kuz’minichna Shemyakina (A tribute in honor of her seventieth birthday)

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<ul><li><p>ISSN 0012-2661, Differential Equations, 2007, Vol. 43, No. 2, pp. 154156. c Pleiades Publishing, Ltd., 2007.Original Russian Text c the Editorial Board, 2007, published in Differentsialnye Uravneniya, 2007, Vol. 43, No. 2, pp. 151153.</p><p>MEMBERS OF SCIENTIFIC COMMUNITY</p><p>Tamara Kuzminichna Shemyakina(A Tribute in Honor of Her Seventieth Birthday)</p><p>DOI: 10.1134/S0012266107020024</p><p>On February 6, 2007, Tamara Kuzminichna Shemyakina, Executive Editor-in-Chief of the jour-nal Dierential Equations, Philosophy Doctor, Associate Professor, celebrated her seventieth birth-day.</p><p>Tamara Kuzminichna Shemyakina was born in the village of Velikopole, Chervenskii district,Minsk region, in a family of peasants. Her father, Kuzma Kuzmich Kravchenko, who was FirstSecretary of the Young Communist League District Committee by the beginning and in the rstyears of the Great Patriotic War, was one of the organizers of guerilla warfare in the Chervenskiiregion and soon headed it as First Secretary of the underground CPSU District Committee.</p><p>Shemyakina nished high school no. 22 in Minsk with a Gold Medal in 1954 and graduated fromthe Mathematical Department of Belarus State University in 1959. She began her career in 1959 asa junior researcher in the Laboratory of Dierential Equations, headed by Academician N.P. Erugin,at the Institute for Mathematics and Computer Engineering of the Academy of Sciences of Belarusand worked there in various positions until 1966. In 19671974, she was Scientic Secretary of theinstitute and then, until 1980, senior researcher of the Laboratory of Dierential Equations atthe same institute.</p><p>She wrote her Ph.D. thesis Analytic and Qualitative Investigation of the Behavior of Solutionsof a Class of Third-Order Nonlinear Equations under the supervision of Professor A.I. Yablonskiiand defended it in 1978. In 1990, she was approved as Associate Professor by the USSR StateCommittee for Public Education.</p><p>In 1980, on the initiative of the Editor-in-Chief Academician N.P. Erugin, she was appointedSta Vice Editor-in-Chief of the All-Union journal Dierential Equations, which was launchedin 1964 with her active participation as an executive secretary on a voluntary basis. Since January1992, Shemyakina has been Executive Editor-in-Chief and Sta Editor of the journal DierentialEquations of the Russian Academy of Sciences.</p><p>154</p></li><li><p>TAMARA KUZMINICHNA SHEMYAKINA 155</p><p>Shemyakinas main scientic results are related to analytic and qualitative theory of ordinarydierential equations. She (together with A.I. Yablonskii) constructed solutions of the boundaryvalue problem for the equation y + yy 2y2 = 0 with the condition of vanishing of the deriva-tive at innity in the form of uniformly and absolutely convergent series in a complex half-planecontaining the positive real semiaxis. Together with Yablonskii, she obtained conditions for theexistence of a holomorphic solution or a one-parameter family of holomorphic solutions for someclasses of systems of two BriotBouquet equations for the case in which the characteristic equationhas a zero root and a negative or a positive root, respectively; they also showed that there are nononholomorphic solutions vanishing at the origin in these cases. They also obtained conditions forthe absence of a nonholomorphic vanishing solution of the system of two BriotBouquet equationsin the case of a double zero root of the characteristic equation with a nonsimple elementary divisor.</p><p>For the equation y = py + qy + Dyy + Ky2 + Myy, Shemyakina proved the existence ofmovable singular points and investigated their character depending on the parameters occurring inthe equation; for p = q = M = 0, she derived conditions for the existence of isolated solutions orfamilies of solutions with given limit properties at innity and constructed such solutions.</p><p>Apart from the main job, Shemyakina has been teaching at various higher education institutesin Minsk.</p><p>She was awarded many diplomas and, in 1970, the jubilee Medal for the 100th Anniversary ofLenins Birth (for Valiant Labor).</p><p>Tamara Kuzminichna Shemyakina is a responsive and benevolent person and a high-skilled spe-cialist. Her responsible attitude to duties and adherence to principle have gained her the authorityamong members of the editorial board, authors of papers, and colleagues.</p><p>We congratulate Tamara Kuzminichna Shemyakina on the occasion of her birthday and wishher good health, happiness, and prosperity.</p><p>S.V. Emelyanov, I.V. Gaishun, V.A. Ilin,N.A. Izobov, I.T. Kiguradze, S.K. Korovin,</p><p>L.D. Kudryavtsev, I.K. Lifanov, V.M. Millionshchikov,E.I. Moiseev, Yu.S. Osipov, S.I. Pokhozhaev,</p><p>N.Kh. Rozov, and V.A. Sadovnichii</p><p>LIST OF T.K. SHEMYAKINAS SCIENTIFIC PAPERS</p><p>1. Solution of an Innite Boundary Value Problem for a Third-Order Equation (together with Yablon-skii, A.I.), Dier. Uravn., 1965, vol. 1, no. 3, pp. 327329.</p><p>2. On a Boundary Value Problem on an Half-Innite Interval (together with Yablonskii, A.I.), Dier.Uravn., 1972, vol. 8, no. 12, pp. 21802186.</p><p>3. Behavior of Solutions of a Class of Third-Order Dierential Equations (together with Yablonskii, A.I.),in Tez. dokl. III Vsesoyuz. konf. po kachestvennoi teorii dierentsialnykh uravnenii (Abstr. III All-Union Conf. on Qual. Th. of Di. Eqs.), Samarkand, 1973, pp. 114115.</p><p>4. On Movable Singular Points of a Third-Order Dierential Equation, Tez. dokl. IV Resp. konf. mat.Belorussii (Abstr. IV Republ. Conf. Math. Belarus), Minsk, 1975, part 2, p. 36.</p><p>5. Analytic Properties of Solutions of a Class of Third-Order Dierential Equations, Dier. Uravn.,1975, vol. 11, no. 6, pp. 11441146.</p><p>6. Representation of Solutions of a Class of Third-Order Dierential Equations, Dier. Uravn., 1976,vol. 12, no. 9, pp. 17191722.</p><p>7. Analytic and Qualitative Investigation of the Behavior of Solutions of a Class of Third-Order NonlinearEquations, Cand. Sci. (Phys.Math.) Dissertation, Minsk, 1978.</p><p>8. Representation of Solutions of a Nonlinear Third-Order Equation in the Nonautonomous Case, Tez.dokl. V Vsesoyuz. konf. po kachestvennoi teorii dierentsialnykh uravnenii (Abstr. V All-UnionConf. on Qual. Th. Di. Eqs.), Chisinau, 1979, pp. 190191.</p><p>9. On Solutions of Systems of Two BriotBouquet Equations in the Case of Zero Roots of the Charac-teristic Equation (together with Yablonskii, A.I.), Tez. dokl. V Resp. konf. mat. Belorussii (Abstr.V Republ. Conf. Math. Belarus), Grodno, 1980, part 2, p. 76.</p><p>DIFFERENTIAL EQUATIONS Vol. 43 No. 2 2007</p></li><li><p>156 TAMARA KUZMINICHNA SHEMYAKINA</p><p>10. Construction of Solutions of a Nonlinear Third-Order Equation with Given Properties at Innity,Dier. Uravn., 1981, vol. 17, no. 6, pp. 10411049.</p><p>11. On the Absence of Nonholomorphic Solutions in a Neighborhood of a Movable Singular Point for SomeClasses of Systems of Two Equations (together with Yablonskii, A.I.), Dier. Uravn., 1981, vol. 17,no. 9, pp. 17131716.</p><p>12. Investigation of Solutions of Systems of Two BriotBouquet Equations for the Case in Which theCharacteristic Equation Has Zero Roots (together with Yablonskii, A.I.), Dier. Uravn., 1982, vol. 18,no. 5, pp. 911912.</p><p>13. Dierential Models of Some Economical Problems (together with Korzyuk, A.F. and Myzgaeva, S.A.),Preprint ICS MF of Belarus, Minsk, 1989.</p><p>14. On the Stability of Stationary Solutions of a Class of Nonlinear Third-Order Equations (together withYablonskii, A.I.), Tez. dokl. resp. nauchn. konf. Mat. modelirovanie i vychislitelnaya matematika(Abstr. Resp. Sci. Conf. Math. Modelling and Comput. Math.), Grodno, 1990, p. 130.</p><p>15. Methodological Recommendations for the Topic Functions of Many Variables and the Least-SquaresMethod Using These (together with Korzyuk, A.F. and Myzgaeva, S.A.), Preprint BGINKh, Minsk,1991.</p><p>16. Control for Students Job on Some Divisions of Higher Mathematics (together with Gaishun, L.N.),Tez. dokl. IV resp. nauchn.-praktich. konf. Upravlenie v sotsialnykh i ekonomicheskikh sistemakh(Abstr. IV Respub. Sci.-Pract. Conf. Control in Social and Economical Systems), Minsk, 2001,vol. 1, p. 18.</p><p>17. On the Exposition of Foundations of Dierential Calculus in Economical Institutes (together withGaishun, L.N.), Tez. dokl. VI resp. nauchn.-praktich. konf. Upravlenie v sotsialnykh i ekonomich-eskikh sistemakh (Abstr. VI Respub. Sci.-Pract. Conf. Control in Social and Economical Systems),Minsk, 2002, pp. 2425.</p><p>18. Elements of Linear Algebra in Mathematical Models of Economics (together with Gaishun, L.N.and Myzgaeva, S.A.), Tez. dokl. VII resp. nauchn.-praktich. konf. Upravlenie v sotsialnykh iekonomicheskikh sistemakh (Abstr. VI Respub. Sci.-Pract. Conf. Control in Social and EconomicalSystems), Minsk, 2002, vol. 2, pp. 153154.</p><p>19. A Remark on the Existence of Solutions of a Dierential Equation in the Form of a Dirichlet Series,Tez. dokl. VIII resp. nauchn.-praktich. konf. Upravlenie v sotsialnykh i ekonomicheskikh sistemakh(Abstr. VI Respub. Sci.-Pract. Conf. Control in Social and Economical Systems), Minsk, 2002,p. 151.</p><p>20. On the Independent Work of First-Year Students (together with Gaishun, L.N.), Tez. dokl. XIVnauchn. konf. Voronezhskie chteniya (Abstr. XIV Sci. Conf. Voronezh Readings), Voronezh,2003, pp. 3839.</p><p>21. Rukovodstvo k resheniyu zadach po vysshei matematike (Direction to Solution of Problems in HigherMathematics) (together with Gaishun, L.N., Korzyuk, A.F., Matskevich, I.P., and Myzgaeva, S.A.),Minsk, 2002.</p><p>22. Metod Gaussa i nekotorye ego prilozheniya (The Gauss Method and Some of Its Applications) (togetherwith Myzgaeva, S.A.), Minsk, 2002.</p><p>23. Vysshaya matematika. Vvedenie v matematicheskii analiz. Dierentsialnye uravneniya. Ryady(Higher Mathematics. Introduction to Mathematical Analysis. Dierential Equations. Series)(together with Myzgaeva, S.A.), Minsk, 2004.</p><p>24. Vysshaya matematika. Integralnoe ischislenie. Dierentsialnye uravneniya. Ryady (Higher Mathe-matics. Integral Calclus. Dierential Equations. Series) (together with Myzgaeva, S.A. andPetrov, V.A.), Minsk, 2005.</p><p>25. On the Existence of Solutions of a Third-Order Equation, Whose Derivatives Vanish at Innity, Tez.dokl. XV resp. nauchn.-praktich. konf. Upravlenie v sotsialnykh i ekonomicheskikh sistemakh(Abstr. XV Respub. Sci.-Pract. Conf. Control in Social and Economical Systems), Minsk, 2006,pp. 238239.</p><p>DIFFERENTIAL EQUATIONS Vol. 43 No. 2 2007</p></li></ul>