摘要
讨论了一类中立型周期时滞捕食 -食饵系统 ,利用重合度理论和某些新技巧建立该系统周期正解存在的充分条件 。
In this paper, by means of coincidence degree theory and some new techniques, sufficient conditions for the existence of positive periodic solution to a class of neutral periodic delay predator-prey system are established and some known results are generalized.
出处
《湖北民族学院学报(自然科学版)》
CAS
2003年第1期5-8,共4页
Journal of Hubei Minzu University(Natural Science Edition)
基金
湖北省教育厅重点科研项目 ( 2 0 0 2X13)