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Periodic solutions for a delayed predator-prey model of prey dispersal in two-patch environments

机译:两补丁环境下食饵扩散的时滞捕食模型的周期解

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摘要

A delayed periodic Lotka-Volterra type predator-prey model with prey dispersal in two-patch environments is investigated. By using Gaines and Mawhin's continuation theorem of coincidence degree theory and by means of a suitable Lyapunov functional, a set of easily verifiable sufficient conditions are obtained to guarantee the existence, uniqueness and global stability of positive periodic solutions of the system. Numerical simulations are given to illustrate the feasibility of our main results. (C) 2003 Elsevier Ltd. All rights reserved.
机译:研究了在两个补丁环境中具有食饵扩散的时滞的Lotka-Volterra型捕食者—食饵模型。通过使用Gaines和Mawhin的重合度理论连续定理,并借助合适的Lyapunov泛函,获得了一组易于验证的充分条件,以保证系统正周期解的存在性,唯一性和全局稳定性。数值模拟说明了我们主要结果的可行性。 (C)2003 Elsevier Ltd.保留所有权利。

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