四阶奇异边值问题的正解

摘要

Under relatively weak conditions,we obtain the existence of positive solutions to BVP(P)We allow the nonlinear items of a(t) and. F(t, x(t) ) being singular when t =0, t = 1 and x =0.%在较弱的条件下,利用不动点定理研究四阶奇异边值问题(P)的正解的存在性,允许非线性项a(t),F(t,x(t))在t=0,t=1及x=0处奇异.