Discrete Dynamics in Nature and Society
Volume 2006 (2006), Article ID 78607, 10 pages
Permanence for a class of nonlinear difference systems
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
Received 22 January 2006; Accepted 13 March 2006
Copyright © 2006 Binxiang Dai and Xingfu Zou. 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.
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.