摘要
研究具有正负系数的二阶中立型微分方程,建立了方程的有界解振动的一个充要条件以及解的振动性.
The second order neutral differential equations with positive and negative coefficients was discussed. A necessary and sufficient condition and some sufficient conditions for all bounded solutions of the equations to be osciuatory was established.
出处
《郑州轻工业学院学报（自然科学版）》
CAS
2008年第4期115-117,124,共4页
Journal of Zhengzhou University of Light Industry:Natural Science
关键词
二阶中立型方程
正负系数
有界解振动
second order neutral equation
positive and negative coefficient
bounded solution osciuation
