具有时滞的离散n种群食物链系统的持久性(英文)  

Permanence for the Discrete n-Species Food Chain Systems with Delays

作　　者：张钰[1] 腾志东[1] 

机构地区：[1]新疆大学数学与系统科学学院,新疆乌鲁木齐830046

出　　处：《新疆大学学报（自然科学版）》2009年第1期46-52,共7页Journal of Xinjiang University(Natural Science Edition)

基　　金：Supported by The National Natural Science Foundation of P.R.China(10361004);The Major Project of The Ministry of Education and The Scientific Research Programmes of Colleges in Xinjiang(XJEDU2004I12,XJEDU2006I05)

摘　　要：研究了一类具有时滞的非自治离散时间n种食物链系统,并通过应用一种新的方法,获得了系统持久的充分条件.In this paper, new sufficient conditions are obtained to ensure the nonautonomous discrete n-species food chain systems with delays are permanent.

关 键 词：持久 离散 食物链系统 时滞 

分 类 号：O175.13[理学—数学]