Centers and Isochronous Centers of Liénard Systems
- Authors: Amel’kin V.V.1, Rudenok A.E.1
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Affiliations:
- Belarusian State University
- Issue: Vol 55, No 3 (2019)
- Pages: 283-293
- Section: Ordinary Differential Equation
- URL: https://journal-vniispk.ru/0012-2661/article/view/154954
- DOI: https://doi.org/10.1134/S0012266119030017
- ID: 154954
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Abstract
For holomorphic Liénard equations, necessary and sufficient conditions for the existence of a center and an isochronous center are obtained without calculating the focus quantities and the isochronicity constants.
About the authors
V. V. Amel’kin
Belarusian State University
Author for correspondence.
Email: amelkin@bsu.by
Belarus, Minsk, 220030
A. E. Rudenok
Belarusian State University
Author for correspondence.
Email: roudenok@bsu.by
Belarus, Minsk, 220030
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