摘要
利用锥不动点定理,并结合Green函数性质,证明一类四阶四点边值问题的正解的存在性.
The existence of positive solutions to the nonlinear fourth order four-point boundary value problem is proved by using the positiveness of Green's function and the fixed point theorems in cone.
出处
《大庆石油学院学报》
CAS
北大核心
2012年第1期105-110,2,共6页
Journal of Daqing Petroleum Institute
关键词
四点边值问题
锥
正解
four-point boundary value problem
cone
positive solutions