| 具有无穷时滞的Beddington-DeAngelis功能反应的离散捕食者-食饵系统的持久性 |
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| 引用本文： | 吴亭.具有无穷时滞的Beddington-DeAngelis功能反应的离散捕食者-食饵系统的持久性[J].闽江学院学报,2010,31(5):1-5. |
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| 作者姓名： | 吴亭 |
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| 作者单位： | 闽江学院数学系,福建,福州,350108 |
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| 基金项目： | 闽江学院2008年科技启动项目 |
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| 摘 要： | 研究了一类具有无穷时滞和Beddington-DeAngelis功能反应的捕食者-食饵离散系统,通过利用差分方程的比较原理,研究该系统的持久性,得到了在系统的系数满足一定的条件下就能保证系统永久地持续生存下去的结论,对保护这类系统具有重要的指导意义.
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| 关 键 词： | 无穷时滞 离散 捕食者-食饵系统 基于比率依赖 持久性 |
Permanence of discrete predator-prey system with infinite delay Beddington-DeAngelis functional response |
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| WU Ting.Permanence of discrete predator-prey system with infinite delay Beddington-DeAngelis functional response[J].Journal of Minjiang University,2010,31(5):1-5. |
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| Authors: | WU Ting |
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| Institution: | WU Ting ( Department of Mathematics,Minjiang University,Fuzhou,Fujian 350108,China) |
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| Abstract: | A discrete predator-prey system with infinite delay and Beddington-DeAngelis is studied. By applying the comparison theorem of difference equation,sufficient conditions are obtained for the permanence of the system. The result is of important significance in protecting such system.. |
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| Keywords: | infinite delay discrete predator-prey system ratio-dependent permanence |
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