一类二阶中立型时滞差分方程的渐近性态  

Asymptotic behavior solutions of a class of second order neutral delay difference equations

作　　者：余国栋[1] 

机构地区：[1]贵州教育学院数学系,贵州贵阳550003

出　　处：《贵州教育学院学报》2003年第4期1-3,共3页Journal of Guizhou Educational College(Social Science Edition)

摘　　要：给出中立型时滞差分方程:△2[x(n)-m∑i=1pix(n-τi)]+q(n)xa(n-σ)=0的所有解要末渐近趋近于零,要末振动的充要条件.Discuss the second order neutral delay difference equation:give necessary and sufficient condition for all solutions of Equation (1) either to be oscillated or to tend to zero asymptotically.

关 键 词：时滞差分方程 渐近性 振动性 

分 类 号：O175[理学—数学]