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具有有限个时滞的竞争系统全局周期解的存在性

Global Existence of Positive Periodic Solution of Competition Sy stems with a Finite Number of Dispersion Delays
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摘要 利用重合度理论的延拓定理讨论具有有限个时滞的竞争系统全局周期解的存在性 ,得到了一些新结果 . In this paper,we study the global existence o f positive solution of compertition systems with a finite number of dispersion del ays by using the method of coincidence degree theory.Some new results are obstai ned.
作者 张丽新
出处 《鞍山师范学院学报》 2002年第1期27-31,共5页 Journal of Anshan Normal University
关键词 竞争系统 全局周期解 重合度 存在性 多物种生态系统 时滞 Competition system Positive periodic solution Coincidenc e degree
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参考文献7

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