摘要
用非线性分析的方法讨论了非自治的二维多时滞竞争系统,获得了周期正解的存在性.
Sufficient conditions for the global existence of periodic solutions in certain delay Lotka-Volterra competition system are obtained by means of topological degree, which generalize some classic results.
出处
《生物数学学报》
CSCD
2000年第1期8-14,共7页
Journal of Biomathematics
基金
Supported by NSF of Education Commission of Guangxi, China
关键词
周期正解
时滞竞争系统
拓扑度
算子方程
Periodic solution
Delay competition system
Topological degree