Advances in Difference Equations 
Volume 2007 (2007), Article ID 68023, 15 pages
doi:10.1155/2007/68023
Research Article

Periodic and Almost Periodic Solutions of Functional Difference Equations with Finite Delay

Yihong Song

Department of Mathematics, Suzhou University, Suzhou 215006, Jiangsu, China

Received 4 November 2006; Revised 29 January 2007; Accepted 29 January 2007

Recommended by John R. Graef

Abstract

For periodic and almost periodic functional difference equations with finite delay, the existence of periodic and almost periodic solutions is obtained by using stability properties of a bounded solution.