The oscillation for a class ofhigherorder nonlinear neutral difference equations with several delay arguments is studied. A sufficient condition for the oscillation of the equations is obtained.
研究了一类具有多变滞量的高阶非线性中立型差分方程的振动性，给出了此类方程振动的一个充分条件。
2
This paper is concerned with the asymptotic behavior and existence of positive solutions for a class ofhigherorder nonlinear neutral difference equation.
研究了一类高阶非线性中立型差分方程正解的存在性和渐近性。
3
An important inequality is used to establish some criteria for the oscillation of forced difference equation and it is generalized to higherorder.