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

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  • Ruiqing Shi
  • Junmei Qi
  • Sanyi Tang

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 as a bifurcation parameter, we show that Hopf bifurcation may occur as the time delay 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.

Suggested Citation

  • Ruiqing Shi & Junmei Qi & Sanyi Tang, 2013. "Stability and Hopf Bifurcation Analysis for a Stage-Structured Predator-Prey Model with Discrete and Distributed Delays," Journal of Applied Mathematics, Hindawi, vol. 2013, pages 1-10, November.
    • Handle: RePEc:hin:jnljam:201936
    DOI: 10.1155/2013/201936
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