二阶泛函微分方程的渐近性和振动性
Published in Science in China Series A-Mathematics Physics Astronomy & Technological Science (in Chinese) • Feb 1, 1986
NobleIDNI2P86W48R80S92
Authors:
立志 温
Abstract
本文讨论了二阶泛函微分方程的解的渐近性和振动性. 文中指出,当sum from to +∞ (g-1)(1/(r(t))dtck,Ac∞,Aok,Ao∞. 当sum from to +∞ (g-1)(1/(r(t))dt=+∞时,(1)式的非振动解的渐近性态有且仅有如下三种类型:Aco,A∞c,A∞c. 在f为超线性或次线性的前提下,本文分别给出了存在Ack,Ac∞,Aok,Aco,A∞c等型非振动解的充要条件. 在f为强超线性或强次线性的前提下,本文给出了方程(1)为振动的充要条件.
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