Speciality: 01.02.01 (Theoretical mechanics)
Birth date: 12.10.1931
Website: https://www.math.spbu.ru/user/gelig
Keywords: control theory; sampled-data systems; stability of control systems; periodical solutions.

Subject:

Scientific interests concern mathematical problems of control theory, including: stability and oscillations of nonlinear sampled-data systems (systems with a pulse modulation); stability of nonlinear systems with discontinuous nonlinearities.

Main publications:

• Gelig A. Kh., Churilov A. N. Stability and Oscillations of Nonlinear Pulse-Modulated Systems. Boston: Birkhauser, 1998. 362 p.

Publications in Math-Net.Ru

Personal pages:

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Organisations:

• St. Petersburg State University, Research Institute of Mathematics and Mechanics
• St. Petersburg Mathematical Society
• Saint Petersburg State University