Nondegenerate centers and limit cycles of cubic Kolmogorov systems

被引：6
|
作者：
Algaba, Antonio [1 ]
Garcia, Cristobal [1 ]
Gine, Jaume [2 ]
机构：
[1] Univ Huelva, Fac Ciencias, Dept Matemat, Huelva, Spain
[2] Univ Lleida, Dept Matemat, Inspires Res Ctr, Avda Jaume II 69, Lleida 25001, Catalonia, Spain
来源：
NONLINEAR DYNAMICS | 2018年 / 91卷 / 01期
关键词：
Center problem; Kolmogorov systems; Analytic integrability; Limit cycles; DYNAMICS;
D O I：
10.1007/s11071-017-3883-5
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
We characterize the center conditions for a cubic Kolmogorov differential system. We also study the number of small limit cycles that can bifurcate from the singular point of focus type for such systems.
引用
收藏
页码：487 / 496
页数：10
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