具变号非线性项二阶m点边值问题的两个正解  

Double Positive Solutions to m-point Boundary Value Problems with Sign Changing Nonlinearities

作　　者：沈春芳[1] 

机构地区：[1]合肥师范学院数学系,安徽合肥230061

出　　处：《合肥师范学院学报》2011年第3期11-13,17,共4页Journal of Hefei Normal University

基　　金：安徽省高校省级自然科学研究项目(Kj2010B163)

摘　　要：应用锥上不动点定理,讨论一类具有变号非线性项二阶m点边值问题的正解,得到了两个正解存在的充分条件,并给出了该类m点边问题相关的Green函数。Using fixed point theorem in cone,this paper discusses the existence of positive solutions to second-order m-point boundary value problems.Sufficient conditions are obtained to ensure the existence of double positive solutions.The associated Green＇s function for this problem is also given.

关 键 词：二阶M点边值问题 不动点 锥 正解 

分 类 号：O175.8[理学—数学]