On the Limit Cycles of Quadratic Differential Systems

被引：0

作者：

Xiang ZHANG Department of Mathematics

机构：

来源：

Acta Mathematica Sinica,English Series | 2002年 / 18卷 / 04期

关键词：

Quadratic differential system; Limit cycle; Ergodicity;

D O I：

暂无

中图分类号：

O175 [微分方程、积分方程];

学科分类号：

070104 ;

摘要：

In this paper we give the necessary and sufficient conditions for all finite critical points ofquadratic differential systems to be weak foci, and solve an open problem proposed by Yanqian Ye.

引用

页码：803 / 816

页数：14

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