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Dynamics of a delayed discrete semi-ratio-dependent predator-prey system with Holling type IV functional response

By Lu Hongying and Wang Weiguo

Abstract

<p>Abstract</p> <p>A discrete semi-ratio-dependent predator-prey system with Holling type IV functional response and time delay is investigated. It is proved the general nonautonomous system is permanent and globally attractive under some appropriate conditions. Furthermore, if the system is periodic one, some sufficient conditions are established, which guarantee the existence and global attractivity of positive periodic solutions. We show that the conditions for the permanence of the system and the global attractivity of positive periodic solutions depend on the delay, so, we call it profitless.</p

Topics: Discrete, Semi-ratio-dependent, Holling type IV functional response, Permanence, Global attractivity, Mathematics, QA1-939, Science, Q, DOAJ:Mathematics, DOAJ:Mathematics and Statistics
Publisher: Springer
Year: 2011
OAI identifier: oai:doaj.org/article:381ff4f6b1cc4eb4a557006a09c9da01
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