具有变系数的偶数阶中立型差分方程的振动性  

Oscillation behavior of even order neutral difference equations with variable coefficients

作　　者：杨莉[1] 

机构地区：[1]云南大学数学系,云南昆明650091

出　　处：《纯粹数学与应用数学》2008年第4期796-801,共6页Pure and Applied Mathematics

摘　　要：考虑了一类具有变系数的偶数阶中立型差分方程的振动性,通过建立一个比较定理,获得一些一类具有变系数的偶数阶中立型差分方程的振动性的充分条件.A class of even order neutral difference equations with variable coefficients are considered. By establishing a comparison theorem, some sufficient conditions are obtained for the even order neutral difference equations with variable coefficients.

关 键 词：变系数 振动 偶数阶 中立型差分方程 

分 类 号：O178[理学—数学]