معرفی
Sergey Belyi is a Professor and Associate Chairman in the Department of Mathematics at Troy University, where he has served since 1996, progressing from Assistant Professor (1996-2002) to Associate Professor (2002-2008) and finally to his current Professor position (2008-present). He also serves as Associate Chairman of the department since 2017. His academic journey began with a Ph.D. in Mathematics from the University of South Florida (1996), following Master's and Bachelor's degrees from Donetsk State University in Ukraine.
Dr. Belyi's research focuses on Functional Analysis, Spectral Theory of Linear Operators, Special Functions, and Differential Equations. His work particularly examines spectral theory in Hilbert and Banach spaces, semigroups of linear operators, infinite-dimensional dynamical systems, realization theory, and control theory. His research spans both pure mathematical theory and applications to quantum mechanics, as evidenced by his long-running Joint Seminar in Mathematical Physics.
His publication record shows consistent scholarly output with numerous articles in prestigious journals and two major books on Conservative Realizations of Herglotz-Nevanlinna functions. His recent work (2021-2025) centers on c-Entropy theory, L-systems, and Schrodinger operators, demonstrating his continued active research program. His work bridges pure operator theory with applications in mathematical physics.
- Wallace D. Malone, Jr. Distinguished Faculty Award (2021)
- MERLOT Peer Reviewer Extraordinaire Award (2017, 2015, 2013)
- Fulbright Core Scholar Award (2011)
- Phi Kappa Phi Distinguished Scholar Award (1999)
Dr. Belyi has been actively involved in academic service, serving as President of the Mathematics Section of the Alabama Academy of Sciences (2003-2005) and as Associate Editor of the MERLOT-Mathematics Editorial Board since 2003. He has organized the Joint Weekly Seminar on Functional Analysis and Quantum Mechanics at Troy University and has presented at numerous international conferences across Europe, Asia, and North America. His teaching portfolio includes Calculus I-III, Differential Equations, Complex Analysis, and advanced courses in his research specialties.
