International Journal of Mathematics and Mathematical Sciences
Volume 25 (2001), Issue 4, Pages 265-271
doi:10.1155/S0161171201004215

Periodic solutions of periodic generalized food limited model

Yongkun Li

Department of Mathematics, Yunnan University, Yunnan, Kunming 650091, China

Abstract

By using the continuation theorem of coincidence degree theory, the existence of positive periodic solutions for a periodic generalized food limited model with state dependent delays and distributed delays is studied, respectively.