考虑一类时滞差分方程的振动性，得到了该方程振动的一个充分条件。

A class of neutral difference equation with delay is considered and a sufficient condition for the oscillation of the equations is obtained.

youdao

利用两点拉伸型不动点定理给出一阶时滞差分方程周期解存在性的充分条件。

Based on the fixed point theorem of two-point extension type, sufficient conditions are derived for the existence of positive periodic solutions of delay difference equations.

youdao

本文研究一类非线性中立型时滞差分方程的非振动解的渐进性，改进了相关的结果。

This paper is concerned with of asymptotic behavior for a family of neutral delay nonlinear difference equations, which improves some known results.

youdao