研究了一类具非线性中立项时滞差分方程解的振动性。得到了方程振动的一个充分条件.并获得了几乎“sharp”振动准则.所得结论改进了已有文献的结果.
The oscillatory behavior of solutions of the delay difference equations with nonlinear neutral term is studied. One almost "sharp" oscillatory criteria is obtained,which fills a gap in the literature.