Advances in Difference Equations
Volume 2008 (2008), Article ID 845121, 9 pages
Research Article

Existence of Positive Solutions for a Class of m-Point Boundary Value Problems

Xuemei Zhang1,2 and Weigao Ge1

1Department of Mathematics, Beijing Institute of Technology, Beijing 100081, China
2Department of Mathematics and Physics, North China Electric Power University, Beijing 102206, China

Received 22 August 2007; Revised 29 November 2007; Accepted 8 January 2008

Academic Editor: Svatoslav Stanek

Copyright © 2008 Xuemei Zhang and Weigao Ge. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


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.