一类离散多种群合作与竞争的捕食者与食饵模型的周期解(英文)  

Periodic Solution in a Discrete Multispecies*Cooperation and Competition Predator-prey Model

作　　者：徐昌进[1] 

机构地区：[1]贵州财经大学贵州省经济系统仿真重点实验室,贵阳550004

出　　处：《重庆师范大学学报（自然科学版）》2015年第2期57-63,共7页Journal of Chongqing Normal University:Natural Science

基　　金：National Natural Science Foundation of China(No.11261010);Governor Foundation of Guizhou Province(No.[2012]53)~~

摘　　要：研究了一类离散多种群合作与竞争的捕食者与食饵模型。运用迭合度理论和一些先验估计,得到了保证所研究的差分方程存在正周期解的易于检验的充分条件,最后给出了有趣的数值模拟验证了所得分析结果的正确性。In this paper, a discrete multispecies cooperation and competition predator-prey model is investigated. By using coincidence degree theory and some analysis technique, a new criterion on the existence of positive periodic solution of difference equations in consideration is established. The paper ends with some interesting numerical simulations that illus- trate our analytical predictions.

关 键 词：捕食模型 周期解 离散 迭合度 

分 类 号：O175.12[理学—数学]