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一类具有连续分布时滞的三种群捕食——食饵系统的正周期解

Existence of Positive Periodic Solution of a Class of Predator——Prey System with Continuous Distributed Delays
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摘要 利用Mawhin的重合度理论,讨论了一类具有连续分布时滞的三种群捕食——食饵系统的周期正解的存在性,得到了其充分条件. By using the theory of Mawhin coincidence degree,the existence of positive periodic solution for a class of predator-prey system with continuous-distributed delays is proved.A new result is obtained.
作者 戴志娟
出处 《扬州教育学院学报》 2007年第3期7-11,共5页 Journal of Yangzhou College of Education
关键词 重合度 正周期解 FREDHOLM算子 coincidence degree positive periodic solution Fredholm operator
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