The phase portrait of all polynomial Liénard isochronous centers

被引：0

作者：

Llibre, Jaume ^{[1
]}

Valls, Claudia ^{[2
]}

机构：

[1] Univ Autonoma Barcelona, Dept Matemat, Barcelona 08193, Catalonia, Spain

[2] Univ Lisbon, Dept Matemat, Inst Super Tecn, Ave Rovisco Pais, P-1049001 Lisbon, Portugal

来源：

CHAOS SOLITONS & FRACTALS | 2024年 / 180卷

基金：

欧盟地平线“2020”;

关键词：

Lienard equations; Isochronous centers; Phase portrait;

D O I：

10.1016/j.chaos.2024.114500

中图分类号：

O1 [数学];

学科分类号：

0701 ; 070101 ;

摘要：

We prove that there is a unique topologically equivalent phase portrait for all Lienard polynomial differential systems of arbitrary degree having an isochronous center.

引用

页数：4

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