一类二阶非线性脉冲时滞微分方程振动的充要条件(英文)  

Necessary and Sufficient Condition for Oscillation of Second Order Nonlinear Delay Differential Equations with Impulses

作　　者：蒋贵荣[1,2] 

机构地区：[1]华南理工大学数学学院,广东广州510640 [2]桂林电子科技大学数学与计算科学学院,广西桂林541004

出　　处：《广西科学》2009年第3期246-252,共7页Guangxi Sciences

基　　金：supported by the National Natural Science Foundation of China(No.10572011 and 10871074);the Science Foundation of Guangxi Province,China(No.0832244)

摘　　要：利用压缩映射原理和微分不等式,得到一类二阶非线性脉冲时滞微分方程振动的1个充要条件.A necessary and sufficient condition for the oscillation of solutions of a class of second order nonlinear delay differential equations with impulses is obtained by using the contraction mapping principle and some differential inequalities.

关 键 词：微分方程 脉冲 振动 

分 类 号：O175.1[理学—数学]