差分方程的正周期解(英文)  

Positive periodic solutions for difference equations

作　　者：王卫兵[1] 

机构地区：[1]湖南师范大学数学系,湖南长沙410081

出　　处：《内蒙古师范大学学报（自然科学汉文版）》2006年第1期47-49,53,共4页Journal of Inner Mongolia Normal University(Natural Science Edition)

基　　金：Project Supported by the Natural Science Foundation of China(10071018)

摘　　要：讨论了一类时滞差分方程正周期解的存在性,利用不动点定理,得到了正周期解存在的充分条件.In this paper,the existence of positive periodic solutions for a class of delay difference equations is investigated, By using fixed point theorem, several sufficient conditions are obtained under which the existence of positive periodic solutions is guaranteed.

关 键 词：周期解 差分方程 不动点定理 

分 类 号：O175.8[理学—数学]