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Cyclic solutions of the Pontryagin equation with a small parameter
Z. I. Sharifzodaa, È. M. Muhamadievb, I. D. Nurova a Tajik National University, Dushanbe
b Vologda State University
Abstract:
In this paper, we examine the existence of periodic solutions to systems of nonlinear equations with a small parameter. We find conditions for the existence of periodic solutions, which expand the range of applicability of Pontryagin's method of small parameter.
Keywords:
differential equation, periodic solution, topological methods, rotation of a vector field.
Citation:
Z. I. Sharifzoda, È. M. Muhamadiev, I. D. Nurov, “Cyclic solutions of the Pontryagin equation with a small parameter”, Proceedings of the Voronezh spring mathematical school
“Modern methods of the theory of boundary-value problems. Pontryagin
readings – XXX”.
Voronezh, May 3-9, 2019. Part 5, Itogi Nauki i Tekhniki. Sovrem. Mat. Pril. Temat. Obz., 194, VINITI, Moscow, 2021, 167–171
Linking options:
https://www.mathnet.ru/eng/into826 https://www.mathnet.ru/eng/into/v194/p167
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