摘要
利用上下解方法和Schauder不动点定理研究了三阶微分方程周期边值问题解的存在性.
In this paper, existence of solutions to periodic boundary value problems for the third order nonlinear ordinary differential equations is studied by using the method of upper and lower solutions and Schauder fixed point theorm.
出处
《数学研究》
CSCD
2005年第2期163-168,共6页
Journal of Mathematical Study
关键词
周期边值问题
上下解
SCHAUDER不动点定理
periodic boundary value problems
upper and lower solutions
Schauder fixed point theorm