摘要
给出了二阶中立型泛函微分方程[x(t)+px(t-τ)]”+f(t,x(g(t,x(t)))=0,t≥to存在正解的充分条件.
Consider the second order neutral functional differential equation where We obstain sufficient conditions for the exstence of a positive solution of Eg,^(*) with P≠1.
出处
《陕西理工学院学报(社会科学版)》
1998年第3期10-15,共6页
Journal of Shaanxi University of Technology:Social Sciences
关键词
泛函微分方程
中立型
正解
存在性
functional differential equation
neatral
positive solution
existence