Advances in Difference Equations
Volume 2008 (2008), Article ID 845121, 9 pages
doi:10.1155/2008/845121
Existence of Positive Solutions for a Class of m-Point Boundary Value Problems
Xuemei Zhang
and Weigao Ge
Department of Mathematics, Beijing Institute of Technology, Beijing 100081, China
Abstract
This paper investigates the existence of positive solutions for a class of second-order singular m-point Sturm-Liouville-type boundary value problems by using fixed point theorem in cones. The results significantly extend and improve many known results even for nonsingular cases.