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一类具有脉冲效应和可变时滞的非自治捕食者-食饵系统正周期解的存在性 被引量：3

Existence of Positive Periodic Solutions for a Nonautonomous Predator-Prey System with Impulse Effects and Variable Delays
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摘要 通过应用迭合度理论的连续定理,获得了一类具有脉冲效应和可变时滞的非自治捕食者-食饵系统正周期解存在性的充分条件. By using the continuation theorem of coincidence degree theory, the sufficient condition of the existence of positive periodic solutions for a nonautonomous predator- prey system with impulse effects and variable delays is obtained.
作者 王斌 刘萍
机构地区 兴义民族师范学院数学系 云南大学数学系
出处 《云南民族大学学报（自然科学版）》 CAS 2010年第5期341-346,共6页 Journal of Yunnan Minzu University:Natural Sciences Edition
基金 云南省应用基础面上项目(2007A159M)
关键词 脉冲 时滞 正周期解 迭合度理论 impulse delay positive periodic solution coincidence degree theory
分类号 O175.14 [理学—基础数学]
  • 相关文献

参考文献9

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二级参考文献10

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共引文献2

同被引文献36

  • 1张炳根.测度链上微分方程的进展[J].中国海洋大学学报（自然科学版）,2004,34(5):907-912. 被引量：32
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引证文献3

二级引证文献5

云南民族大学学报（自然科学版）
2010年 第5期

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