Boundary Value Problems 
Volume 2007 (2007), Article ID 73176, 16 pages
doi:10.1155/2007/73176
Research Article

Extremal Solutions of Periodic Boundary Value Problems for First-Order Impulsive Integrodifferential Equations of Mixed-Type on Time Scales

Yongkun Li and Hongtao Zhang

Department of Mathematics, Yunnan University, Kunming, Yunnan 650091, China

Received 12 October 2006; Accepted 21 May 2007

Recommended by Ivan Kiguradze

Abstract

We consider the existence of minimal and maximal solutions of periodic boundary value problems for first-order impulsive integrodifferential equations of mixed-type on time scales by establishing a comparison result and using the monotone iterative technique.