一类二阶中立型微分方程有界解的振动性  

Osciuations of bounded solutions of second order neutral differential equations

作　　者：徐继军[1] 任喜凤[2] 

机构地区：[1]郑州师范高等专科学校数学系,河南郑州450044 [2]郑州轻工业学院继续教育学院,河南郑州450002

出　　处：《郑州轻工业学院学报（自然科学版）》2008年第4期115-117,124,共4页Journal of Zhengzhou University of Light Industry:Natural Science

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.

关 键 词：二阶中立型方程 正负系数 有界解振动 

分 类 号：O175[理学—数学]