Article ID Journal Published Year Pages File Type
843051 Nonlinear Analysis: Theory, Methods & Applications 2009 9 Pages PDF
Abstract

A class of cubic system with an invariant straight line as given in an equation is studied. It is proved that this system has at most, one limit cycle surrounding a weak focal O(0,0)O(0,0), and has at most, one limit cycle surrounding weak focal N(1n,0).

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Physical Sciences and Engineering Engineering Engineering (General)
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Uniqueness of limit cycles for a class of cubic system with an invariant straight line
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