摘要
研究一类具有正负系数的中立型泛函微分方程的振动性,得到了其解振动的新的充分条件。
The oscillation criterion for the solutions of a class of neutral functional differential equations with positive and negative coefficients be investigated, some new sufficient conditions for all solutions of the equations to be oscillatory are obtained.
出处
《株洲工学院学报》
2004年第2期24-26,共3页
Journal of Zhuzhou Institute of Technology
关键词
正负系数
中立型泛函微分方程
振动性
最终正解
psitive and negative coefficients
neutral functional differential equation
oscillation
eventually positive solution