Combined Effects of Concave-Convex Nonlinearities in a Fourth-Order Problem with Variable Exponent
Abstract: We study two classes of nonhomogeneous elliptic problems with Dirichlet boundary condition and involving a fourth-order differential operator with variable exponent and power-type nonlinearities. The first result of this paper establishes the existence of a nontrivial weak solution in the case of a small perturbation of the right-hand side. The proof combines variational methods, including the Ekeland variational principle and the mountain pass theorem of Ambrosetti and Rabinowitz. Next we consider a very related eigenvalue problem and we prove the existence of nontrivial weak solutions for large values of the parameter. The direct method of the calculus of variations, estimates of the levels of the associated energy functional and basic properties of the Lebesgue and Sobolev spaces with variable exponent have an important role in our arguments.
- Standort
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Deutsche Nationalbibliothek Frankfurt am Main
- Umfang
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Online-Ressource
- Sprache
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Englisch
- Erschienen in
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Combined Effects of Concave-Convex Nonlinearities in a Fourth-Order Problem with Variable Exponent ; volume:16 ; number:3 ; year:2016 ; pages:409-419 ; extent:11
Advanced nonlinear studies ; 16, Heft 3 (2016), 409-419 (gesamt 11)
- Urheber
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Baraket, Sami
Rădulescu, Vicenţiu D.
- DOI
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10.1515/ans-2015-5032
- URN
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urn:nbn:de:101:1-2405031602495.123380632475
- Rechteinformation
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Letzte Aktualisierung
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14.08.2025, 10:52 MESZ
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Beteiligte
- Baraket, Sami
- Rădulescu, Vicenţiu D.
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