Existence of three solutions to the discrete fourth-order boundary value problem with four parameters by Mohamed Ousbika, Zakaria El Allali

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Lower bounds on the fundamental spectral gap with Robin boundary conditions by Mohammed Ahrami, Zakaria El Allali

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Nontrivial Solutions of a Class of Fourth-Order Elliptic Problems with Potentials by Jiabin Zuo, Zakaria El Allali, Said Taarabti

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Eigenvalues of the $p(x)-$biharmonic operator with indefinite weight] {Eigenvalues of the $p(x)-$biharmonic operator with indefinite weight under Neumann boundary conditions by Zakaria El Allali, Said Taarabti, Khalil Ben Haddouch

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Periodic solutions for a higher-order p-Laplacian neutral differential equation with multiple deviating arguments by Loubna Moutaouekkil, Omar Chakrone, Zakaria El Allali, Said Taarabti

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Non-trivial solutions for a partial discrete Dirichlet nonlinear problem with p-Laplacian by Huiting He, Mohamed Ousbika, Zakaria El Allali, Jiabin Zuo

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A Class of Fourth-Order Symmetrical Kirchhoff Type Systems by Yong Wu, Said Taarabti, Zakaria El Allali, Khalil Ben Hadddouch, Jiabin Zuo

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Existence of solutions for a fourth order eigenvalue problem ] {Existence of solutions for a fourth order eigenvalue problem with variable exponent under Neumann boundary condition... by Khalil Ben Haddouch, Zakaria El Allali, Najib Tsouli, Siham El Habib, Fouad Kissi

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