摘要
本文考虑具有无界时滞变系数一阶差分方程的振动性 ,建立了几个新的振动准则 。
Consider oscillation of the solutions of first-order difference equations with variable coefficients and unbounded delay. Some new sufficient conditions are obtained. This results improve some known results in the literature .
出处
《衡阳师范学院学报》
2000年第3期21-26,共6页
Journal of Hengyang Normal University
关键词
无界时滞
差分方程
振动准则
unbounded delay
difference equation
oscillation
