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  • Superlinear Robin problems with indefinite linear part
    Papageorgiou, Nikolaos, 1958- ; Vetro, Calogero ; Vetro, Francesca
    We consider a semilinear Robin problem with an indefinite linear part and a superlinear reaction term, which does not satisfy the usual in such cases AR condition. Using variational methods, together ... with truncation-perturbation techniques and Morse theory (critical groups), we establish the existence of three nontrivial solutions. Our result extends in different ways the multiplicity theorem of Wang.
    Vir: Bulletin of the Malaysian Mathematical Sciences Society. - ISSN 0126-6705 (Vol. 43, no. 1, Jan. 2020, str. 537-562)
    Vrsta gradiva - članek, sestavni del
    Leto - 2020
    Jezik - angleški
    COBISS.SI-ID - 18487897