The Number of Limit Cycles of a Polynomial System on the Plane

被引:2
|
作者
Liu, Chao [1 ]
Han, Maoan [1 ]
机构
[1] Shanghai Normal Univ, Dept Math, Shanghai 200234, Peoples R China
基金
中国国家自然科学基金;
关键词
GLOBAL BIFURCATION; FAMILY;
D O I
10.1155/2013/482850
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
We perturb the vector field (x) over dot = -yC(x, y), (y) over dot = -xC(x, y) with a polynomial perturbation of degree n, where C(x, y) = (1 - y(2))(m), and study the number of limit cycles bifurcating from the period annulus surrounding the origin.
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页数:7
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