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有理依赖的食饵——捕食模型正周期解的存在性

Existence of at least periodic soutions of a katiodependent predator-prey model with time dalay
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摘要 研究了带时滞的有理依赖的食饵———捕食模型,借助迭合度理论建立了这个模型正周期解存在的充分条件. In this paper,We study a nonautonomous ratio/dependent predator-prey model with time delay, By the conincidence degree theory, was establiched a sufficient condition for the existence of positive periodic solution for the system.
作者 吴新民 刘琼
机构地区 邵阳学院数学系
出处 《邵阳学院学报（自然科学版）》 2006年第2期9-11,共3页 Journal of Shaoyang University：Natural Science Edition
关键词 捕食者——食饵系统 时滞 周期解 重合度理论 predator-prey system time delay positive periodic solution coincidence degree theory.
分类号 O175.12 [理学—基础数学]
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邵阳学院学报（自然科学版）
2006年 第2期

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