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Spatiotemporal Patterns Induced by Hopf Bifurcations in a Homogeneous Diffusive Predator-Prey System

机译:Hopf分叉在均匀扩散捕食者 - 猎物系统中诱导的时空模式

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摘要

In this paper, we consider a diffusive predator-prey system where the prey exhibits the herd behavior in terms of the square root of the prey population. The model is supposed to impose on homogeneous Neumann boundary conditions in the bounded spatial domain. By using the abstract Hopf bifurcation theory in infinite dimensional dynamical system, we are capable of proving the existence of both spatial homogeneous and nonhomogeneous periodic solutions driven by Hopf bifurcations bifurcating from the positive constant steady state solutions. Our results allow for the clearer understanding of the mechanism of the spatiotemporal pattern formations of the predator-prey interactions in ecology.
机译:在本文中,我们考虑了一种扩散捕食者 - 猎物系统,其中猎物在猎物人群的平方根方面表现出畜群行为。该模型应该在有界空间域中施加均匀的Neumann边界条件。通过在无限尺寸动态系统中使用抽象的Hopf分岔理论,我们能够证明由跳跃分叉从正恒定稳态解决方案分叉的Hopf分叉驱动的空间均匀和非均匀周期解的存在。我们的结果允许更清楚地了解生态学中的捕食者 - 猎物互动的时空模式形成的机制。

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  • 来源
    《Mathematical Problems in Engineering》 |2019年第13期|3907453.1-3907453.11|共11页
  • 作者单位

    Harbin Engn Univ Coll Math Sci Harbin 150001 Heilongjiang Peoples R China;

    Harbin Engn Univ Coll Math Sci Harbin 150001 Heilongjiang Peoples R China;

    Harbin Engn Univ Coll Math Sci Harbin 150001 Heilongjiang Peoples R China;

    Harbin Engn Univ Sch Econ & Management Harbin 150001 Heilongjiang Peoples R China;

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