摘要
利用锥上的不动点指数研究了一阶非线性常微分方程组的周期边值问题.在某些条件下,证明了上述周期边值问题正解的存在性.
In this paper, by using the fixed point index method, the authors discussed the periodic boundary value problem of first order differential systems. Some results on the existence of positive solutions are derived.
出处
《应用泛函分析学报》
CSCD
2007年第1期1-7,共7页
Acta Analysis Functionalis Applicata
基金
The Project Supported by the National Science Foundation of P. R. China (10371066)
关键词
一阶微分方程组
正解
不动点指数
first order differential systems t positive solutions
fixed point index