On a discrete elliptic problem with a weight 
Zakaria El Allali,Mohamed Ousbika,Lingju Kong 
Keywords:Discrete boundary value problems, critical point theory, algebraic systems difference equations. 
Abstract: 
Using the variational approach and the critical point theory, we established several criteria for the existence of at least one nontrivial solution for a discrete elliptic
boundary value problem with a weight $p(\cdot, \cdot)$ and depending on a real parameter $\lambda$. 



