Advances in Difference Equations
Volume 2009 (2009), Article ID 515706, 10 pages
Research Article

Permanence of a Discrete n-Species Schoener Competition System with Time Delays and Feedback Controls

School of Mathematics and Computer Science, Fujian Normal University, Fuzhou 350007, China

Received 4 March 2009; Revised 25 July 2009; Accepted 3 September 2009

Academic Editor: John Graef

Copyright © 2009 Xuepeng Li and Wensheng Yang. 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 discrete n-species Schoener competition system with time delays and feedback controls is proposed. By applying the comparison theorem of difference equation, sufficient conditions are obtained for the permanence of the system.