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具有Ⅳ类功能反应的离散非自治捕食系统永久持续生存性和周期解的存在性
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摘要
本文主要讨论了具有Ⅳ类功能反应的离散非自治捕食模型和时滞影响的离散非自治捕食系统分别获得了系统(1)和系统(2)的永久持续生存性,利用Brouwer不动点定理和重合度理论的连续性定理,讨论了系统(1)和系统(2)周期解的存在性,并且在一些特定假设下,讨论了系统(1)任意正解的全局稳定性,以及系统(1)周期解的稳定性.
This paper discusses discrete non-autonomous predator-prey system with IV type functional response and delayed discrete non-autonomous predator-prey system
     The author obtain the permanence of the system(1)and(2),with the help of Brouwer fixed point theorem and continuation theorem in coincidence degree theory,we derive sufficient and realistic that guarantee the existence of at least one positive periodic solution for discrete predator-prey system(1) and(2),we also obtain the existence and stability of any positive solution and periodic solution under some additional conditions.
引文
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