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一类具有脉冲和非单调功能反应的扩散时滞捕食系统的多重正周期解

Multiple Positive Periodic Solutions for a Class of Predator-prey System with Diffusion and Time Delay and Non-monotone Functional Response and Impulsive Effect
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摘要 利用重合度理论,得到一类具有脉冲和非单调功能反应的扩散时滞捕食系统至少存在4个正周期解的充分条件. Using the coincidence degree theory, the sufficient condition is obtained for the predatorprey diffusion system with the impulsive effect and the non-monotone functional response have at least four positive periodic solutions.
出处 《广西科学》 CAS 2009年第4期373-378,共6页 Guangxi Sciences
基金 广西教育厅面上项目(200707MS061) 广西青年科学基金项目(桂科青0832092)资助
关键词 微分方程 捕食系统 脉冲效应 功能反应 周期解 重合度 differential equation, predator-prey system, impulsive effect, functional response, periodic solutions ,coincidence degree
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