摘要
在f超线性时 ,利用锥拉伸与压缩不动点定理研究了奇异边值问题u( 4 ) =f(t,u) ,u(0 ) =u(1)=u″(0 ) =u″(1) =0的正解的存在性 .
By use of the theorem for fixed points of cone expansion and compression,the positive solution of singular superlinear fourth order boundary value is investigated.
出处
《曲阜师范大学学报（自然科学版）》
CAS
2002年第3期23-26,共4页
Journal of Qufu Normal University(Natural Science)
