Browsing by Author "Soltani Nor El Houda"
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Item ETUDE D’EXISTENCE ET NON EXISTENCES DE SOLUTIONS DE CERTAINES CLASSES D’EQUATIONS ET DES SYSTEMES ELLIPTIQUES SEMI-LINEAIRES(2021-06-10) Soltani Nor El HoudaThe work presented in this thesis is devoted to studying the existence and multiplicity of non-trivial positive solutions of a singular fractional elliptic type system associated with the fractional p-Laplacian operator in a bounded domain R N . The results are obtained using some of the variational techniques, Nehari Manifold, Fibering method (F.M), and applying the Ekeland variational principle.