摘要
考虑一类非线性中立型差分方程Δ(xn - pnxn- k) + qnf(xn- l) = 0 ()我们得到了其所有解振动的几个充分条件.
We consider the nonlinear neutral difference equationΔ(x n-p nx n-k )+q nf(x n-l )=0(*)where p n oscillates about 1.We get some sufficient conditions for the oscillation of Eq.(*).
出处
《经济数学》
1999年第4期75-78,共4页
Journal of Quantitative Economics
关键词
非线性中立型差分方程
振动性
最终正解
nonlinear neutral difference equation,oscillation,eventually positive solution