【摘要】 本文研究了二阶中立型时滞差分方程Δ［ａｎΔ（ｘｎ＋ ｐｎｘｇ（ｎ））］＋ ｑｎｆ（ｘσ（ｎ））＝ ０的振动性，所得结果推广并改进了中立型时滞差分方程的一些已知结论更多还原

【Abstract】 In this paper, we study the oscillation of the second order delay difference equation Δ[ a n Δ (x n+P nx g(n) ]+q nf(x σ(n) )=0.Our results generalize and improve some known results of neutral delay difference equation.更多还原