摘要
本文研究具有时滞周期捕食系统的持久性和周期解,得到了系统永久持续生存的充要条件。在此条件下系统存在正的ω周期解,改进了一些已知结果。
In this paper, we consider the permanence and periodic solation of a peri-
odic predator-prey system, and a sufficient and necessary condition is obtained for the
permanence of this system. The system has a positive w periodic solution under this
condition, and we improve some known results.
出处
《数学学报(中文版)》
SCIE
CSCD
北大核心
2004年第3期511-520,共10页
Acta Mathematica Sinica:Chinese Series
基金
江苏省高校自然科学基金(02KJB110004)
关键词
时滞
持久性
周期解
Time delay
Permanence
Periodic solution