一类二阶非线性差分方程的振动性  

Oscillation criteria for a family of second order nonlinear difference equations

作　　者：赵玉萍[1] 刘喜兰[1] 

机构地区：[1]青海民族大学数学学院,青海西宁810007

出　　处：《云南大学学报（自然科学版）》2012年第5期510-513,共4页Journal of Yunnan University(Natural Sciences Edition)

基　　金：国家民委资助项目(10QH03)

摘　　要：研究了一类二阶非线性多时滞差分方程解的振动性,利用分析的方法及积分中值定理,得到了方程解振动的充分条件,推广了已有文献的相关结果.The oscillation criteria for a family of second order nonlinear delay difference equations is concerned.Using the method of analysis and mean value theorem for integral,we establish some sufficient conditions for the oscillations of all solutions of this equation,which improves some known results.

关 键 词：振动性 非线性 差分方程 时滞 

分 类 号：O175.7[理学—数学]