International Journal of Differential Equations
Volume 2010 (2010), Article ID 908960, 11 pages
doi:10.1155/2010/908960
Research Article

Integral BVPs for a Class of First-Order Impulsive Functional Differential Equations

Xiaofei He,1 Jingli Xie,1 Guoping Chen,1 and Jianhua Shen2

1Department of Mathematics, College of Zhangjiajie, Jishou University, Jishou, Hunan 416000, China
2Department of Mathematics, Hangzhou Normal University, Hangzhou, Zhejiang 310036, China

Received 11 November 2009; Accepted 25 January 2010

Academic Editor: Fengde Chen

Copyright © 2010 Xiaofei He et al. 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.

Abstract

The methods of lower and upper solutions and monotone iterative technique are employed to the study of integral boundary value problems for a class of first-order impulsive functional differential equations. Sufficient conditions are obtained for the existence of extreme solutions.