二阶半线性脉冲微分方程的振动性Oscillation of second order half linear impulsive differential equation
郭建敏,姚美萍
摘要(Abstract):
考虑具有线性脉冲扰动y(τk+)=bky(τk),y′(τk+)=dky′(τ-,k)的二阶半线性脉冲微分方程(r(t)φ(y′(t)))′+p(t)φ(y(t))=0,其中{bk}与{bk}为正实数列,γ,p∈C([t0,∞),(0,∞)),φ(u)=|u|α-1u,α>1.证明了方程所有解的导数振动的充分条件为∫t0∞p(s)t0<Πτk
关键词(KeyWords):
二阶半线性微分方程;脉冲;振动
基金项目(Foundation):
山西省自然科学基金(2007011001)
作者(Author):
郭建敏,姚美萍
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