Stability and Hopf Bifurcation Analysis for a Stage‐Structured Predator‐Prey Model with Discrete and Distributed Delays

Ruiqing Shi, Junmei Qi and Sanyi Tang

Journal of Applied Mathematics, 2013, vol. 2013, issue 1

Abstract: We propose a three‐dimensional stage‐structured predatory‐prey model with discrete and distributed delays. By use of a new variable, the original three‐dimensional system transforms into an equivalent four‐dimensional system. Firstly, we study the existence and local stability of positive equilibrium of the new system. And, by choosing the time delay τ as a bifurcation parameter, we show that Hopf bifurcation may occur as the time delay τ passes through some critical values. Secondly, by use of normal form theory and central manifold argument, we establish the direction and stability of Hopf bifurcation. At last, some simple discussion is presented.

Date: 2013
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https://doi.org/10.1155/2013/201936

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Persistent link: https://EconPapers.repec.org/RePEc:wly:jnljam:v:2013:y:2013:i:1:n:201936

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