Existence of solutions for perturbed fourth order elliptic equations with variable exponents

Thanh Chung, Nguyen: Existence of solutions for perturbed fourth order elliptic equations with variable exponents. (2018)

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Abstract

Using variational methods, we study the existence and multiplicity of solutions for a class of fourth order elliptic equations of the form 2 p(x) u − M �R 1 p(x) |∇u| p(x) dx� ∆p(x)u = f(x, u) in Ω, u = ∆u = 0 on ∂Ω, where Ω ⊂ RN, N ≥ 3, is a smooth bounded domain, ∆ 2 p(x) u = ∆(|∆u| p(x)−2∆u) is the operator of fourth order called the p(x)-biharmonic operator, ∆p(x)u = div |∇u| p(x)−2∇u is the p(x)-Laplacian, p : Ω → R is a log-Hölder continuous function, M : [0, +∞) → R and f : Ω × R → R are two continuous functions satisfying some certain condition.

Item Type:	Journal
Publication full:	Electronic journal of qualitative theory of differential equations
Date:	2018
Number:	96
ISSN:	1417-3875
Page Range:	pp. 1-19
DOI:	https://doi.org/10.14232/ejqtde.2018.1.96
Uncontrolled Keywords:	Differenciálegyenlet - elliptikus, Kirchhoff típusú problémák
Additional Information:	Bibliogr.: p. 16-19. ; összefoglalás angol nyelven
Date Deposited:	2019. Jan. 25. 12:02
Last Modified:	2020. Jul. 29. 12:29
URI:	http://acta.bibl.u-szeged.hu/id/eprint/56908

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