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  • Multiple nontrivial solutions for semilinear elliptic problems
    Barletta, Giuseppina ; Papageorgiou, Nikolaos, 1958-
    We study the existence of multiple constant sign and nodal (sign-changing) solutions for semilinear elliptic equations. Our approach is based on a combination of variational techniques using critical ... point theory, of the method of upper-lower solutions and of Morse theory (critical groups). We prove several multiplicity results. Our analytical framework incorporates both coercive and superlinear parametric problems.
    Vir: Nonlinear Analysis. Theory, Methods and Applications. - ISSN 0362-546X (Vol. 71, iss. 10, 2009, str. 4321-4345)
    Vrsta gradiva - članek, sestavni del ; neleposlovje za odrasle
    Leto - 2009
    Jezik - angleški
    COBISS.SI-ID - 18070361

    Povezava(-e):

    http://dx.doi.org/10.1016/j.na.2009.03.038
    DOI

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