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The case of a constant absolute invariant for the Lienard system


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Abstract

A criterion is suggested for defining such properties of the right-hand sides in the Lienard polynomial system that guarantee its first absolute invariant turning to a constant.

About the authors

A. P. Sadovskii

Belarusian State University

Author for correspondence.
Email: sadovskii@bsu.by
Belarus, Minsk, 220030

T. V. Makovetskaya

Belarusian State University

Email: sadovskii@bsu.by
Belarus, Minsk, 220030

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