Multiple Periodic Solutions of a Ratio-Dependent Predator-Prey Discrete Model

A delayed ratio-dependent predator-prey discrete-time model with nonmonotone functional response is investigated in this paper. By using the continuation theorem of Mawhins coincidence degree theory, some new sufficient conditions are obtained for the existence of multiple positive periodic solution...

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Bibliographic Details
Main Authors: Tiejun Zhou, Xiaolan Zhang, Min Wang
Format: Article
Language:English
Published: Wiley 2012-01-01
Series:Discrete Dynamics in Nature and Society
Online Access:http://dx.doi.org/10.1155/2012/713503
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