Periodicity in a generalized ecological competition system governed by impulsive differential equations with delays

被引：0
|
作者：
Zhang, WP
Fan, M
机构：
[1] NE Normal Univ, Dept Math, Changchun 130024, Jilin, Peoples R China
[2] NE Normal Univ, Educ Minist PR China, Key Lab Vegetat Ecol, Changchun 130024, Jilin, Peoples R China
来源：
MATHEMATICAL AND COMPUTER MODELLING | 2004年 / 39卷 / 4-5期
关键词：
periodicity; competition systems; impulsive differential equations; coincidence degree;
D O I：
10.1016/S0895-7177(04)90519-5
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
The principle aim of this paper is to explore the existence. of periodic solutions with strictly positive components of generalized ecological competition systems governed by impulsive differential equation with infinite delays. Easily verifiable sufficient criteria are established. The approach is based on the coincidence degree theory and its related continuation theorem as well as some a priori estimates. Applications to some famous competition models, which have been widely studied in the literature, are presented also. (C) 2004 Elsevier Ltd. All rights reserved.
引用
收藏
页码：479 / 493
页数：15
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