linear impulsive differential equation 线性脉冲微分方程
abstract impulsive differential equation 抽象脉冲微分方程
impulsive differential equation with delay 时滞脉冲微分方程
Half-linear impulsive differential equation 半线性脉冲微分方程
third order impulsive differential equation 三阶脉冲微分方程
second-order impulsive differential equation 二阶脉冲微分方程
second order impulsive differential equation 二阶脉冲微分方程
The existence of periodic solutions for a class of impulsive differential equations with piecewise constant argument is studied by constructing periodic sequence solutions of difference equation.
通过构造差分方程的周期数列解，研究了一类具有分段常数变元的脉冲微分方程周期解的存在性。
Oscillation of a kind of second order nonlinear differential impulsive equation(The equation is abbreviated), is studied and some sufficient conditions are obtained.
用黎卡堤变换研究如下二阶非线性脉冲微分方程（ 方程式略）得到了两个判断方程振动的充分条件。
In this paper, the oscillation properties of solutions under a kind of boundary conditions for impulsive hyperbolic differential equation of neutral type are studied.
研究了一类边界条件下中立型脉冲双曲方程解的振动性，得到了每个非零解振动的若干充分条件。
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