Boundary Value Problems
Volume 2007 (2007), Article ID 41589, 13 pages
Existence of Solutions for Second-Order Nonlinear Impulsive Differential Equations with Periodic Boundary Value Conditions
1Department of Mathematics, Huaiyin Teachers College, Huaian, Jiangsu 223300, China
2Department of Mathematics, Yangzhou University, Yangzhou 225002, China
Received 12 February 2007; Revised 19 March 2007; Accepted 13 April 2007
Academic Editor: Kanishka Perera
Copyright © 2007 Chuanzhi Bai and Dandan Yang. 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.
We are concerned with the nonlinear second-order impulsive
periodic boundary value problem
, , , , , , new criteria are established based on Schaefer's fixed-point theorem.