Four positive periodic solutions of a discrete time delayed predator-prey system with nonmonotonic functional response and harvesting

被引：18
作者：
Hu, Daowei [1 ]
Zhang, Zhengqiu [1 ]
机构：
[1] Hunan Univ, Coll Math & Econometr, Changsha 410082, Hunan, Peoples R China
来源：
COMPUTERS & MATHEMATICS WITH APPLICATIONS | 2008年 / 56卷 / 12期
关键词：
Four positive periodic solutions; Predator-prey system; Continuation theorem of coincidence degree theory; Nonmonotonic functional response; Harvesting;
D O I：
10.1016/j.camwa.2008.09.009
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
In this paper, by employing the continual ion theorem of coincidence degree theory, we establish an easily verifiable criteria for the existence of at least four positive periodic Solutions for a discrete time delayed predator-prey system with nonmonotonic functional response and harvesting. (c) 2008 Elsevier Ltd. All rights reserved.
引用
收藏
页码：3015 / 3022
页数：8
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