Discrete Dynamics in Nature and Society
Volume 2006 (2006), Issue 2, Article ID 14631, 8 pages
doi:10.1155/DDNS/2006/14631

Some results on cascade discrete-time systems

Xiao-Ming Bai , Hui-Min Li and Xiao-Song Yang

Department of Mathematics, Huazhong University of Science and Technology, Wuhan 430074, China

Abstract

We present sufficient conditions for global asymptotic stability of cascade discrete-time systems. Considering failure of the global asymptotic stability in some cascade systems, we give an estimate of the region of attraction of the systems.