| 具有Holling III类功能反应的三维食物链差分系统周期解的存在性 |
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| 引用本文： | 刘兴臻.具有Holling III类功能反应的三维食物链差分系统周期解的存在性[J].广州大学学报(自然科学版),2006(5). |
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| 作者姓名： | 刘兴臻 |
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| 作者单位： | 广州大学数学与信息科学学院 广东广州510006 |
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| 摘 要： | 利用重合度理论研究了一类具有Holling III类功能反应及时滞的三维食物链差分系统全局周期解的存在性,得到了该系统存在严格正周期解的充分条件.
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| 关 键 词： | 食物链差分系统 HollingIII类功能反应 正周期解 时滞 重合度理论 |
Existence of positive periodic solutions for three dimensional food chain difference system with Holling III type functional response and delay |
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| LIU Xing-zhen.Existence of positive periodic solutions for three dimensional food chain difference system with Holling III type functional response and delay[J].Journal og Guangzhou University:Natural Science Edition,2006(5). |
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| Authors: | LIU Xing-zhen |
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| Abstract: | The present paper used Coincidence Degree Theory to investigate existence of positive periodic solutions for three dimensional food chain difference system with Holling III type functional response and delay,and obtained a sufficient condition to ensure the existence of strict positive periodic solutions. |
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| Keywords: | food chain difference system Holling III type functional response positive periodic solution delay coincidence degree theory |
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