%0 Journal Article %T Nonoscillatory Solutions for System of Delay Difference Equations on Time Scales %A Lanchu LIU %A Youwu GAO %J Studies in Mathematical Sciences %D 2012 %I %R 10.3968/j.sms.1923845220120502.983 %X In this paper, we consider certain system of delay difference equations $$ Delta{y_{1}(n)} = p(n)y_{2}(n)~~~~~~~ $$ $$ Delta{y_{2}(n)} = -f(n,y_{1}(g(n)))$$ where $p(n)in C[N_{0},R^{+}]$,~$yf(n,y)geq{0}$,~$fin{C[N_{0} imes{R},R]}$,~$ysuplimits_{ngeq{n_{0}}}mid f(n,y)mid>0$ for any $y eq0$,~$g(n)in C[N_{0},R]$,~$g(n)leq n$. %K Nonoscillation %K System %K Difference equations %K Time scales %U http://cscanada.net/index.php/sms/article/view/2999