The Survival Analysis of a Non-autonomous N-dimensional Volterra Mutualistic System in a Polluted Environment  

作　　者：Xiao-jian Li Ke Wang 

机构地区：[1]Department of Mathematics, Northeast Normal University, Changchun 130024, China [2]Department of Mathematics, Harbin Institute of Technology, Weihai 264209, China

出　　处：《Acta Mathematicae Applicatae Sinica》2007年第1期133-140,共8页应用数学学报（英文版）

基　　金：Supported by the National Natural Science Foundation of China(No.10171010,10201005);the Key Project on Science and Technology of the Education Ministry of People's Republic of China(No.Key 01061)

摘　　要：In this paper, we extend the autonomous n-Dimensional Volterra Mutualistic System to a non- autonomous system. The condition of persistence and extinction is obtained for each population, and the threshold is established for asymptotically autonomous system.In this paper, we extend the autonomous n-Dimensional Volterra Mutualistic System to a non- autonomous system. The condition of persistence and extinction is obtained for each population, and the threshold is established for asymptotically autonomous system.

关 键 词：POLLUTION PERSISTENCE EXTINCTION comparison theorem threshold 

分 类 号：O17[理学—数学] O29[理学—基础数学]