%0 Journal Article
%T The Nonexistence and Existence of Singular Three-point Boundary Value Problems with Sign-changing Nonlinearities<br>具有变号非线性项的奇异三点边值问题正解的存在性和不存在性
%A Yan Baoqiang
%A <br>闫宝强
%J 数学物理学报(A辑)
%D 2011
%I 
%X This paper discusses singular three-point boundary value problems y'(t)+a(t)f(t, y(t), y'(t))= 0, 0<t<1, y'(0)= 0, y(1)= αy(η) where 0<α<1, 0<η<1, f changes sign and may be singular at y= 0 and y'= 0
%K Three-point boundary value problemszz
%K Singularityzz
%K Positive solutionszz
%K Fixed point indexzz<br>三点边值问题
%K 奇异性
%K 正解
%K 不动点指数
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=6E709DC38FA1D09A4B578DD0906875B5B44D4D294832BB8E&cid=37F46C35E03B4B86&jid=4DB553CDB5F521D8C921082E5C95EC80&aid=5AA2F19E8DE00ECE5CA8FD282BB96B9F&yid=9377ED8094509821&vid=4AD960B5AD2D111A&iid=CA4FD0336C81A37A&sid=339D79302DF62549&eid=286FB2D22CF8D013&journal_id=1003-3998&journal_name=数学物理学报(A辑)&referenced_num=0&reference_num=14