The non-existence, existence and uniqueness of limit cycles for quadratic polynomial differential systems

被引:5
|
作者
Llibre, Jaume [1 ]
Zhang, Xiang [2 ]
机构
[1] Univ Autonoma Barcelona, Dept Matemat, E-08193 Barcelona, Catalonia, Spain
[2] Shanghai Jiao Tong Univ, MOE LSC, Dept Math, Shanghai 200240, Peoples R China
关键词
quadratic systems; quadratic polynomial differential system; limit cycles; NUMBER;
D O I
10.1017/S0308210517000221
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
We provide sufficient conditions for the non-existence, existence and uniqueness of limit cycles surrounding a focus of a quadratic polynomial differential system in the plane.
引用
收藏
页码:1 / 14
页数:14
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