| 带时滞的离散Lotka-Volterra系统周期解的存在性 |
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| 引用本文： | 马慧婵,麦合布拜·热合木.带时滞的离散Lotka-Volterra系统周期解的存在性[J].新疆大学学报(理工版),2007,24(1). |
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| 作者姓名： | 马慧婵 麦合布拜·热合木 |
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| 作者单位： | 新疆大学数学与系统科学学院 新疆乌鲁木齐830046 |
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| 基金项目： | 新疆大学校科研和教改项目 |
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| 摘 要： | 考虑带时滞的离散非自治Lotka-V o lterra系统.将应用叠合度理论的延拓定理建立正周期解存在的充分条件.
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| 关 键 词： | 时滞离散系统 正周期解 叠合度 |
Existence of Periodic Solutions of Discrete Lotka-Volterra Systems with Delays |
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| MA Hui-chan,Mehbuba Rehim.Existence of Periodic Solutions of Discrete Lotka-Volterra Systems with Delays[J].Journal of Xinjiang University(Science & Engineering),2007,24(1). |
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| Authors: | MA Hui-chan Mehbuba Rehim |
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| Abstract: | In this paper,we consider a discrete nonautonomous Lotka-Volterra system with delays.Sufficient conditions for the existence of positive periodic solutions are established by applying the continuation theorem of coincidence degree theory. |
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| Keywords: | Delayed discrete Lotka-Volterra system Positive periodic solution Coincidence degree |
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