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  • A multiplicity theorem for superlinear double phase problems [Elektronski vir]
    Deręgowska, Beata ; Gasiński, Leszek ; Papageorgiou, Nikolaos, 1958-
    We consider a nonlinear Dirichlet problem driven by the double phase differential operator and with a superlinear reaction which need not satisfy the Ambrosetti-Rabinowitz condition. Using the Nehari ... manifold, we show that the problem has at least three nontrivial bounded solutions: nodal, positive and by the symmetry of the behaviour at ▫$+\infty$▫ and ▫$-\infty$▫ also negative.
    Vir: Symmetry [Elektronski vir]. - ISSN 2073-8994 (Vol. 13, iss. 9, Sep. 2021, art. 1556 (23 str.))
    Vrsta gradiva - e-članek ; neleposlovje za odrasle
    Leto - 2021
    Jezik - angleški
    COBISS.SI-ID - 74438147