具有正负系数中立型差分方程的振动性

Oscillation of Neutral Difference Equations With Positive and Negative Coefficients

研究具有正负系数中立型差分方程Δ (xn -R(n)xn-r) + ∑mi=1Pi(n)xn-τi- ∑lj=1Qj(n)xn-σj =0 , n=0 ,1,2 ,…的振动性 。

We obtain new sufficient conditions for the oscillation of the neutral delay difference equations with positive and negative coefficients of the form Δ(x n-R(n)x n-r )+∑mi=1P i(n)x n-τ i -∑lj=1Q j(n)x n-σ j =0, n=0,1,2,…