数学物理学报(英文版) ›› 1998, Vol. 18 ›› Issue (S1): 124-128.
• 论文 • 上一篇
马如云, 张凤然
Ma Ruyun, Zhang Fengrun
摘要: Under suitable conditions on h(x)and f(u)|the authors show that the following boundary value problem
(d4y)/dx4-h(x)f(y(x))=0,
y(0)=y(1)=y"(0)=y"(1)=0
has at least one positive solution.Moreover|the authors also establish several existence theorems of multiple positive solutions