摘要
本文考虑了一类具有时滞的非周期捕食扩散系统,利用微分不等式理论及比较定理,得到了系统一致持久的判定定理.
In this paper, we consider the nonperiodic predator-prey system with dispersal and time delay. According to theory of differential inequality and the comparision theorem, we will get some criteria of the uniform persistence for the system.
出处
《山西师范大学学报(自然科学版)》
2008年第4期21-24,共4页
Journal of Shanxi Normal University(Natural Science Edition)
关键词
捕食
与被捕食系统
时滞
一致持久
predator-prey systems
time delay
uniform persistence