New results for oscillation of delay difference equations (Q5948731)

The authors deal with the oscillatory behavior of a linear delay difference equation of the first-order with nonnegative coefficients and new criteria are established. As to some related works, see also \textit{I. P. Stavroulakis} [Comput. Math. Appl. 29, No. 7, 83-88 (1995; Zbl 0832.39002)], \textit{J. S. Yu}, \textit{B. G. Zhang} and \textit{X. Z. Qian} [J. Math. Anal. Appl. 177, No. 2, 432-444 (1993; Zbl 0787.39004)], \textit{X. H. Tang} and \textit{J. S. Yu} [Hokkaido Math. J. 29, No. 1, 213-228 (2000; Zbl 0958.39015)] etc.