Electronic Journal of Differential Equations,
Vol. 2010(2010), No. 14, pp. 1-10.

Title: Multiple sign-changing solutions for sub-linear impulsive
       three-point boundary-value problems
       
Authors: Gui Bao (Xuzhou Normal Univ., Jiangsu, China)
         Xian Xu (Xuzhou Normal Univ., Jiangsu, China)

Abstract: 
 In this article, we study the existence of sign-changing solutions
 for some second-order impulsive boundary-value problem with
 a sub-linear condition at infinity. To obtain the results we
 use the Leray-Schauder degree and the upper and lower
 solution method.
 
Submitted August 26, 2009. Published January 21, 2010.
Math Subject Classifications: 34B15, 34B25.
Key Words: Impulsive three-point boundary-value problem; 
           Leray-Schauder degree; sign-changing solution; 
	   strict upper and lower solutions.