摘要
本文研究了二阶非线性微分方程(a(t)φ(y′(t)))′+f(t,y(t))=0,t≥t0的非振动解的渐近性。
In this paper,the asymptotic behavior of the nonoscillatory solutions of the differential equation(a(t)(y′(t)))′+f(t,y(t))=0,t≥t0 is studied.
关键词
非振动解
渐近性
微分方程
nonoscillatory solutions
asymptotic behavior
differential equations