一类三阶微分方程正解的存在性  

Existence of Positive Solution of a Third Order Differential Equation

作　　者：李春燕[1] 

机构地区：[1]新乡学院数学系,河南新乡453003

出　　处：《新乡学院学报》2011年第6期496-497,共2页Journal of Xinxiang University

摘　　要：利用锥压缩拉伸不动点定理,讨论了一类非线性奇异的三阶微分方程三点边值问题,得出了正解的存在性.By using the fixed-point theorem of cone expansion-compression,three-point boundary value problems of third order differential equation which is nonlinear singular,are discussed.And the existence of positive solutions is obtained.

关 键 词：边值问题 正解 不动点定理 

分 类 号：O175.4[理学—数学]