Limit Cycles in a Cubic Kolmogorov System with Harvest and Two Positive Equilibrium Points

A class of planar cubic Kolmogorov systems with harvest and two positive equilibrium points is investigated. With the help of computer algebra system MATHEMATICA, we prove that five limit cycles can be bifurcated simultaneously from the two critical points (1, 1) and (2, 2), respectively, in the fir...

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Bibliographic Details
Main Authors: Qi-Ming Zhang, Feng Li, Yulin Zhao
Format: Article
Language:English
Published: Wiley 2014-01-01
Series:Abstract and Applied Analysis
Online Access:http://dx.doi.org/10.1155/2014/786962
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