具有变系数的二阶中立型差分方程

A Class of Second Order Neutral Difference Equations with Changed Coefficients

研究一类具有变系数的二阶中立型时滞差分方程△τ^2[x（t）-c（t）x（t-τ）]=p（t）x（t-σ），t≥t0〉0的解的振动性，给出了该类方程一切有界解振动的几个充分条件．

The present paper studies the oscillation of solutions for a class of second order neutral delay difference equations with changed coefficients △τ^2[x（t）-c（t）x（t-τ）]=p（t）x（t-σ）,t≥t0〉0. Some sufficient conditions for bounded oscillation of the solutions of the equation are obtained.