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On a Class of Discrete Problems with the $p(k)$-Laplacian-like Operators
  
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KeyWord:Critical point theory, discrete problems, variational methods, $p(k)$-Laplacian-like operators
Author NameAffiliation
Mohammed Barghouthe Department of Mathematics, Mohammed I University, Oujda, 60000, Morocco 
Mahmoud El Ahmadi Department of Mathematics, Mohammed I University, Oujda, 60000, Morocco 
Abdesslem Ayoujil Department of Mathematics, Regional Centre of Trades Education and Training, Oujda, 60000, Morocco 
Mohammed Berrajaa Department of Mathematics, Mohammed I University, Oujda, 60000, Morocco 
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Abstract:
      In this paper, we consider a nonlinear discrete problem originating from a capillary phenomena, involving the $p(k)$-Laplacian-like operators with mixed boundary condition. Under appropriate assumptions on the function $f$ and its primitive $F$ near zero and infinity, we investigate the existence and multiplicity of nontrivial solutions by using variational methods and critical point theory.