高阶非线性时滞微分方程的振动定理<sup>*</sup>

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高阶非线性时滞微分方程的振动定理^*

基金项目: *云南省基础研究基金

摘要: 本文给出一类高阶非线性时滞微分方程振动的充要条件,对强迫时滞微分方程给出若干充分条件或必要条件.
- 非线性 /
- 时滞微分方程 /
- 振动
Abstract: This paper has given necessary and sufficient conditions for oscillation of a classof higher order nonlinear delay differential equations,and given some sufficientconditions or necessary conditions for oscillation of a forced delay differential equation.
- nonlinear /
- delay differential equation /
- oscillation

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