The existence of periodic solutions of the n-species Lotka-Volterra competition systems with impulsive

被引：70
作者：
Jin, Z
Zhien, M
Maoan, H
机构：
[1] Shanghai Jiao Tong Univ, Dept Math, Shanghai 200030, Peoples R China
[2] Xi An Jiao Tong Univ, Dept Appl Math, Xian 710049, Shaanxi, Peoples R China
来源：
CHAOS SOLITONS & FRACTALS | 2004年 / 22卷 / 01期
基金：
中国国家自然科学基金;
关键词：
D O I：
10.1016/j.chaos.2004.01.007
中图分类号：
O1 [数学];
学科分类号：
0701 ; 070101 ;
摘要：
In this paper, we study the existence of positive periodic solutions of periodic n-species Lotka-Volterra competition systems with impulses. By using the method coincidence degree theorem, a set of easily verifiable sufficient conditions are obtained for the existence of at least one strictly positive periodic solutions. Some known results are improved and generalized. (C) 2004 Elsevier Ltd. All rights reserved.
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页码：181 / 188
页数：8
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