Discrete Dynamics in Nature and Society
Volume 2006 (2006), Issue 2, Article ID 78607, 10 pages
doi:10.1155/DDNS/2006/78607
Permanence for a class of nonlinear difference systems
Binxiang Dai1
and Xingfu Zou2
1School of Mathematical Science and Computing Technology, Central South University, Changsha 410075, Hunan, China
2Department of Applied Mathematics, University of Western Ontario, London N6A 5B7, ON, Canada
Abstract
A class of nonlinear difference systems is considered in this paper. By exploring the relationship between this system and a correspondent first-order difference system, some permanence results are obtained.