Boundary Value Problems
Volume 2010 (2010), Article ID 961496, 12 pages
doi:10.1155/2010/961496

Existence of positive solutions for nonlinear eigenvalue problems

Sheng-Ping Wang1 , Fu-Hsiang Wong2 and Fan-Kai Kung2

1Holistic Education Center, Cardinal Tien College of Healthcare and Management, No.171, Zhongxing Rd., Sanxing Township, Yilan County 266, Taiwan
2Department of Mathematics, National Taipei University of Education, 134, Ho-Ping E. Rd, Sec2, Taipei 10659, China

Abstract

We use a fixed point theorem in a cone to obtain the existence of positive solutions of the differential equation, u+λf(t,u)=0, 0<t<1, with some suitable boundary conditions, where λ is a parameter.