Yi Shao, Kuilin Wu
This article is concerned with the bifurcation of limit cycles of a class of cubic reversible system having a center at the origin. We prove that this system has at least four limit cycles produced by the period annulus around the center under cubic perturbations
Submitted October 17, 2013. Published April 10, 2014.
Math Subject Classifications: 34C05, 34A34, 34C14.
Key Words: Cubic perturbations; limit cycle; period annulus.
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| Yi Shao |
School of Mathematics and Statistics
Guangdong 526061, China
| Kuilin Wu |
Department of Mathematics, Guizhou University
Guiyang 550025, China
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