系数变号时经典Emden方程的两点边值问题的正解

摘要

An existence theorem of positive solution for BVP w″+k(t)w'=0, w(0) =w(1) =0. is established, here k(t) is allowed to changes sign on [0,1].%建立了边值问题w″+k(t)wα=0,w(0)=w(1)=0的一个正解存在定理,其中允许k(t)在[0,1]上改变符号.