Uniform isochronous cubic and quartic centers: Revisited

被引：8
|
作者：
Artes, Joan C. [1 ]
Itikawa, Jackson [2 ]
Llibre, Jaume [1 ]
机构：
[1] Univ Autonoma Barcelona, Dept Matemat, E-08193 Barcelona, Catalonia, Spain
[2] Univ Sao Paulo, Dept Matemat, BR-13566590 Sao Paulo, Brazil
来源：
JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS | 2017年 / 313卷
关键词：
Polynomial vector field; Periodic orbit; Uniform isochronous center; PHASE PORTRAITS; SYSTEMS;
D O I：
10.1016/j.cam.2016.09.018
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
In this paper we completed the classification of the phase portraits in the Poincare disc of uniform isochronous cubic and quartic centers previously studied by several authors. There are three and fourteen different topological phase portraits for the uniform isochronous cubic and quartic centers respectively. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码：448 / 453
页数：6
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