摘要
研究具有生育脉冲的两种群Lotka-Volterra合作系统,利用重合度理论,获得正周期解的存在的充分条件。
This paper, two-species Lotka-Volterra cooperative system with birth pulse is strdied. By using coincidence degree theory, sufficient conditions for the exeistence of positive periodic solution is obtained.
出处
《生物数学学报》
CSCD
2004年第4期414-420,共7页
Journal of Biomathematics
关键词
生育脉冲
正周期解
重合度理论
合作系统
Birth pulse
Positiive periodic solution
Coincidence degree theory Cooperative system