摘要
讨论一阶泛函微分方程的周期边值问题,利用锥上的不动点定理给出了正解的存在性和多重性的简捷的判别条件.
This paper discusses the periodic boundary value problem for first order functional differential equations. By utilizing a fixed point Theorem on cone, some existence and multiplicity results of positive solutions are derived.
出处
《数学年刊(A辑)》
CSCD
北大核心
2005年第3期419-426,共8页
Chinese Annals of Mathematics
基金
国家自然科学基金(No.10371135)资助的项目.
关键词
正解
泛函微分方程
周期边值问题
不动点定理
锥
Positive solution. Functional differential equations, Periodic boundary value problem, Fixed point Theorem. Cone