Gaiko Valery A.
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Gaiko Valery A.


Gaiko Valery A.

Leading Researcher 

United Institute of Informatics Problems
National Academy of Sciences of Belarus


Valery Gaiko was born on March 31, 1960 in the city of Stolbtsy, Minsk region, Belarus.

V.Gaiko graduated from Kolosovskaya Secondary School in Stolbtsy-2 with a gold medal (1977) and Faculty of Mechanics and Mathematics, Belarusian State University with honors (1982); finished postgraduate studies at the Institute of Mathematics of the National Academy of Sciences of Belarus (1986) and postdoctoral studies at Belarusian State University of Informatics and Radioelectronics (1999). From 1987 to 2008, V.Gaiko had been working at the Department of Mathematics, BSUIR (assistant professor, associate professor, postdoctoral fellow). Since 2009, he is a leading researcher at the UIIP NAS of Belarus.

In 1993, V.Gaiko defended his Ph.D. theses “Limit Cycle Bifurcations of Quadratic Autonomous Systems in the Plane” (supervised by Academician N.P.Erugin). In the same year, he was awarded by the academic title of associate professor.

Dr. Gaiko is an internationally recognized specialist in the qualitative theory of differential equations and the bifurcation theory of dynamical systems. He developed the global bifurcation theory of planar polynomial dynamical systems and solved Hilbert’s Sixteenth Problem for quadratic systems and Smale’s Thirteenth Problem for Liénard polynomial systems. Currently V.Gaiko is engaged in the qualitative analysis of 2D and 3D biomedical and ecological dynamical systems.

Dr. Gaiko published over 400 scientific papers, including 3 monographs and over 100 articles in such well-known international journals as Nonlinear Analysis, Differential Equations and Dynamical Systems, International Journal of Dynamical Systems and Differential Equations, International Journal of Bifurcation and Chaos, Journal of Mathematical Sciences, Applied Mathematics Letters, Advances in Dynamical Systems and Applications, Cybernetics and Physics, Nonlinear Phenomena in Complex Systems. He made more than 350 reports at mathematical conferences and congresses, as well as seminars on the theory of differential equations and dynamical systems in leading international scientific centers in Austria, Belgium, Brazil, Bulgaria, China, Czech Republic, France, Germany, Great Britain, Hungary, India, Italy, Korea, Latvia, Lithuania, Netherlands, Norway, Poland, Slovakia, Spain, Sweden, USA, and CIS countries.

Ref.: Global Bifurcations of Limit Cycles and Hilbert’s Sixteenth Problem. Minsk: Universitetskoe Publishers, 2000, 167 p. (in Russian); Global Bifurcation Theory and Hilbert’s Sixteenth Problem. Boston: Kluwer Academic Publishers, 2003, 204 p.; Nonlinear Dynamics of Discrete and Continuous Systems. Basel: Springer Nature, 2020, 277 p.