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首页> 外文期刊>International journal of bifurcation and chaos in applied sciences and engineering >Qualitative Analysis of a Predator-Prey Model with Crowley-Martin Functional Response
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Qualitative Analysis of a Predator-Prey Model with Crowley-Martin Functional Response

机译:具有Crowley-Martin功能反应的捕食者-食饵模型的定性分析

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摘要

In this paper, we are concerned with positive solutions of a predator-prey model with Crowley-Martin functional response under homogeneous Dirichlet boundary conditions. First, we prove the existence and reveal the structure of the positive solutions by using bifurcation theory. Then, we investigate the uniqueness and stability of the positive solutions for a large key parameter. In addition, we derive some sufficient conditions for the uniqueness of the positive solutions by using some specific inequalities. Moreover, we discuss the extinction and persistence results of time-dependent positive solutions to the system. Finally, we present some numerical simulations to supplement the analytic results in one dimension.
机译:在本文中,我们关注均质Dirichlet边界条件下具有Crowley-Martin功能响应的捕食者—食饵模型的正解。首先,利用分岔理论证明了正解的存在性并揭示了正解的结构。然后,我们研究了一个大关键参数正解的唯一性和稳定性。另外,我们通过使用某些特定的不等式,为正解的唯一性导出了一些充分条件。此外,我们讨论了该系统的时间依赖性正解的灭绝和持久性结果。最后,我们提出一些数值模拟以补充一维的分析结果。

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