具多变滞量的二阶中立型差分方程振动性判据  

Oscillation Criteria for a Class of the Second Order Neutral Difference Equations with Several Variable Delay Arguments

作　　者：刘琼[1] 杨甲山[1] 

机构地区：[1]邵阳学院数学系,湖南邵阳422004

出　　处：《湘潭大学自然科学学报》2006年第3期17-20,共4页Natural Science Journal of Xiangtan University

基　　金：湖南省教育厅资助项目(03C440)

摘　　要：研究了具有多个变滞量的变系数的二阶中立型差分方程解的振动性,并得出了其解振动的充分条件及其差分子Δ振动的判别依据.The oscillation for a class of the second order neutral diflerenee equations with several variable delay arguments and variable coeffieients are studied. Oscillation criteria is obtained for the equation and the difference operator A .

关 键 词：中立型差分方程 变滞量 振动性 差分算子 

分 类 号：O175.14[理学—数学]