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Stability and Hopf bifurcation analysis of a predator-prey system with diffusion and two delays

机译:具有扩散和两种时滞的捕食者-食饵系统的稳定性和Hopf分支分析。

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摘要

In this paper, a predator-prey system with diffusion and two delays is investigated. By analyzing the characteristic equations, the local stability of positive equilibrium and local Hopf bifurcations is discussed. Moreover, some explicit formulae for determining the stability and direction of Hopf bifurcation periodic solutions are obtained by using normal form theory and center manifold theory. The results we obtain can be used to provide reliable foundation for making control strategy.
机译:本文研究了具有扩散和两个时滞的捕食系统。通过分析特征方程,讨论了正平衡的局部稳定性和局部Hopf分支。此外,利用范式理论和中心流形理论,获得了确定Hopf分岔周期解的稳定性和方向的明确公式。我们获得的结果可为制定控制策略提供可靠的基础。

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