Electronic Journal of Differential Equations,
Vol. 2010(2010), No. 38, pp. 1-9.

Title: Positive solutions for second-order singular three-point 
       boundary-value problems with sign-changing nonlinearities
       
Authors: Caisheng Ji  (Shandong Normal Univ., Jinan, China)
         Baoqiang Yan (Shandong Normal Univ., Jinan, China)

Abstract:
 In this article, we study the existence and  uniqueness
 of the positive solution for a second-order singular
 three-point boundary-value problem with sign-changing
 nonlinearities. Our main tool is a fixed-point theorem.

Submitted July 30, 2009. Published March 14, 2010.
Math Subject Classifications: 34B10, 34B15.
Key Words: Singular three-point boundary-value problem; sign-changing;
           nonlinearity; positive solution; fixed point.