Abstract and Applied Analysis
Volume 7 (2002), Issue 5, Pages 279-286

Positive periodic solutions of nonautonomous functional differential equations depending on a parameter

Guang Zhang1 and Sui Sun Cheng2

1Department of Mathematics, Yanbei Normal College and Datong College, Datong, Shanxi 037000, China
2Department of Mathematics, Tsing Hua University, Hsinchu, Taiwan 30043, Taiwan

Received 5 November 2001

Copyright © 2002 Guang Zhang and Sui Sun Cheng. 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.


This article has no abstract.