二阶非线性差分方程的振动性

Oscillation of Nonlinear Second-order Difference Equations

考虑方程△(bn△un)+∑i=1^mainfi(un,△un)=0,n=0,1,...(1)的振动性，获得了其解振动的几个充分条件。

This paper is concerned with the Oscillatory behavior of solutions of the difference equation △(b n△u n)+mi=1a in f i(u n,△u n)=0,n=0,1,2,…,(1) some sufficient conditions for oscillation of solutions of (1) are obtained.