摘要
本文借助于 Borsuk定理和拓扑度的同任性 ,建立了一类扰动周期边值问题解的存在性定理 .
By means of Borsuk's theorem and continuation performed through an admissible homotopy, we establish an existence theorem for a perturbed periodic boundary value problems (φ(x))′=g(t,x,x′)+e(t,x,x′),u(0)=u(T),u′(0)=u′(T).
出处
《应用数学》
CSCD
北大核心
2001年第4期1-4,共4页
Mathematica Applicata
基金
Foundation item:Supported by high school natural science main foundation of hubei(98A0 40 )
