| 中立型捕食者-被捕食者系统的周期正解 |
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| 引用本文： | 李永昆.中立型捕食者-被捕食者系统的周期正解[J].应用数学和力学,1999,20(5):545-550. |
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| 作者姓名： | 李永昆 |
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| 作者单位： | 云南大学数学系, 昆明 650091 |
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| 基金项目： | 云南省应用基础研究基金 |
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| 摘 要： | 研究了中立型捕食者-被捕食者模型 的周期正解的存在性,具有r,a2,k,τ均为正常数,a1(t),A(t),b(t),β(t)均为ω周期连续正函数.
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| 关 键 词： | 中立型时滞系统 捕食者-被捕食者系统 周期正解 拓扑度 |
| 文章编号： | 1000-0887(1999)05-0545-06 |
| 收稿时间： | 1997-02-17 |
Positive Periodic Solution of a Neutral Predator-Prey System |
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| Li YongKun.Positive Periodic Solution of a Neutral Predator-Prey System[J].Applied Mathematics and Mechanics,1999,20(5):545-550. |
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| Authors: | Li YongKun |
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| Institution: | Department of Mathematics, Yunnan University, Kunming 650091, P R China |
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| Abstract: | In this paper,the existence of a positive periodic solution to the following neutral predator-prey systemis studied,in whichr,a2,K and τ are positive constants,and a1(t),A(t),b(t)and β(t)are positive continuous functions of period ω. |
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| Keywords: | neutral delay system predator_prey system positive periodic solution topological degree |
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