CENTRES AND LIMIT CYCLES FOR AN EXTENDED KUKLES SYSTEM

被引：0

作者：

Hill, Joe M. ^{[1
]}

Lloyd, Noel G. ^{[1
]}

Pearson, Jane M. ^{[1
]}

机构：

[1] Aberystwyth Univ, Inst Math & Phys Sci, Ceredigion SY23 3BZ, Wales

来源：

ELECTRONIC JOURNAL OF DIFFERENTIAL EQUATIONS | 2007年

关键词：

Nonlinear differential equations; invariant curves; limit cycles;

D O I：

暂无

中图分类号：

O29 [应用数学];

学科分类号：

070104 ;

摘要：

We present conditions for the origin to be a centre for a class of cubic systems. Some of the centre conditions are determined by finding complicated invariant functions. We also investigate the coexistence of fine foci and the simultaneous bifurcation of limit cycles from them.

引用

页数：23

共 16 条

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