摘要
讨论了一类二阶中立型泛函微分方程非振动解的渐近性，给出了存在非零常数的非振动解的充分必要条件．
The asymplotie behaviour of nonscellatory solutions for a second order differential equation of neutral function was studied. As a result of this study,the sufficient and necessary condition for nonoscillatory solutions of a second order differential equation of neutral function was obtained in this paper.
出处
《湖南农业大学学报（自然科学版）》
CAS
CSCD
1999年第2期157-161,共5页
Journal of Hunan Agricultural University(Natural Sciences)
关键词
泛函方程
微分方程
中立型
非振动解
二阶
functional equations differential equations neutral function nonoscillatory fixed point
