Stability and Hopf Bifurcation Analysis for a Gause-Type Predator-Prey System with Multiple Delays

Juan Liu, Changwei Sun and Yimin Li

Abstract and Applied Analysis, 2013, vol. 2013, 1-12

Abstract:

This paper is concerned with a Gause-type predator-prey system with two delays. Firstly, we study the stability and the existence of Hopf bifurcation at the coexistence equilibrium by analyzing the distribution of the roots of the associated characteristic equation. A group of sufficient conditions for the existence of Hopf bifurcation is obtained. Secondly, an explicit formula for determining the stability and the direction of periodic solutions that bifurcate from Hopf bifurcation is derived by using the normal form theory and center manifold argument. Finally, some numerical simulations are carried out to illustrate the main theoretical results.

Date: 2013
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlaaa:795358

DOI: 10.1155/2013/795358

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