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Volume 2, Number 4, 2012, Pages 441-447                                                                DOI:10.11948/2012033
Existence of multiple limit cycles in Chen system
Qinlong Wang,Jing Li,Wentao Huang
Keywords:Chen system
      In this paper, the existence of multiple limit cycles for Chen system are investigated. By using the method of computing the singular point quantities, the simple and explicit parametric conditions can be determined to the number and stability of multiple limit cycles from Hopf bifurcation. Especially, at least 4 limit cycles can be obtained for the Chen system as a three-dimensional perturbed system.
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