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  • Nonlinear Dirichlet problems with double resonance
    Aizicovici, Sergiu, 1948- ; Papageorgiou, Nikolaos, 1958- ; Staicu, Vasile, 1960-
    We study a nonlinear Dirichlet problem driven by the sum of a ▫$p$▫-Laplacian (▫$p>2$▫) and a Laplacian and which at ▫$\pm\infty$▫ is resonant with respect to the spectrum of ▫$\left( ... -\Delta_{p},W_{0}^{1,p}\left( \Omega \right) \right) $▫ and at zero is resonant with respect to the spectrum of ▫$\left( -\Delta,H_{0}^{1}\left( \Omega \right) \right) $▫ (double resonance). We prove two multiplicity theorems providing three and four nontrivial solutions respectivelly, all with sign information. Our approach uses critical point theory together with truncation and comparison techniques and Morse theory.
    Vir: Communications on pure and applied analysis. - ISSN 1534-0392 (Vol. 16, no. 4, 2017, str. 1147-1168)
    Vrsta gradiva - članek, sestavni del ; neleposlovje za odrasle
    Leto - 2017
    Jezik - angleški
    COBISS.SI-ID - 18011481