| 一类捕食-食饵差分系统概周期解的存在性与唯一性 |
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| 引用本文： | 张锐锋,冯春华.一类捕食-食饵差分系统概周期解的存在性与唯一性[J].湖南文理学院学报(自然科学版),2008,20(2):25-29. |
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| 作者姓名： | 张锐锋 冯春华 |
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| 作者单位： | 广西师范大学,数学科学学院,广西,桂林,541004;广西师范大学,数学科学学院,广西,桂林,541004 |
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| 摘 要： | 首先改进并证明了一个相关的存在性定理, 再通过构造离散形式的Liapunov函数研究了一类捕食-食饵差分系统正概周期解的存在性. 得到了该差分系统存在正概周期解的一个充分条件.
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| 关 键 词： | 捕食-食饵差分系统 正概周期解 Liapunov函数 |
Existence of positive almost periodic solutions for a class of perdator-prey difference system |
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| ZHANG Rui-feng,FENG Chun-hua.Existence of positive almost periodic solutions for a class of perdator-prey difference system[J].Journal of Hunan University of Arts and Science:Natural Science Edition,2008,20(2):25-29. |
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| Authors: | ZHANG Rui-feng FENG Chun-hua |
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| Institution: | ZHANG Rui-feng,FENG Chun-hua (College of Mathematical Sciences,Guangxi Normal University,Guiling,Guangxi,541004) |
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| Abstract: | A existing theorem has been improved, then by means of constructing suitable discrete Liapunov function, a class of perdator-prey difference system is studied. A set of sufficiently conditions to guarantee the existence of positive almost periodic solutions are obtained. |
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| Keywords: | perdator-prey difference equation almost periodic solution Liapunov function |
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