Sobolev spaces with variable exponents on complete manifolds
type: Item
instance of: scholarly article
title: Sobolev spaces with variable exponents on complete manifolds
zbMATH Open document ID: 1346.46026
author: Michał Gaczkowski
author: Przemysław Górka
author: Daniel J. Pons
published in: Journal of Functional Analysis
publication date: 2016-01-26T00:00:00Z
review text: This paper may be considered as a supplement to the previous paper by the first two authors [Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 92, 47--59 (2013; Zbl 1329.46033)], where variable exponent Sobolev spaces on Riemann manifolds have already been studied. In the present manuscript, variable exponent spaces of Lebesgue, Sobolev and Hölder type are investigated on complete non-compact Riemann manifolds. Under suitable assumptions on the geometry of the manifold \(M\) and the \(\log\)-Hölder continuity of the (variable) exponent \(p(\cdot)\), Sobolev embeddings into variable Lebesgue spaces (in the case \(\mathrm{ess }\mathrm{supp}(x)<n\)) and into variable order Hölder spaces (when \(\mathrm{ess }\inf p(x)>n\)) are obtained. Moreover, compact embeddings for \(H\)-invariant Sobolev subspaces (where e.g. \(H\) stands for a compact Lie subgroup of the group of isometries on \(M\)) are also derived. The authors also apply their results to study the existence of weak solutions to non-homogeneous elliptic PDEs involving the \(p(x)\)-Laplacian.
reviewed by: Alexandre Almeida
Mathematics Subject Classification ID: 46E35
Mathematics Subject Classification ID: 53B21
Mathematics Subject Classification ID: 58J05
zbMATH DE Number: 6535748
zbMATH Keywords: variable exponents
zbMATH Keywords: Lebesgue spaces
zbMATH Keywords: Sobolev spaces
zbMATH Keywords: Hölder spaces
zbMATH Keywords: Riemannian manifolds
zbMATH Keywords: elliptic equations
MaRDI profile type: Publication
full work available at URL: j.jfa.2015.09.008
OpenAlex ID: W2202878990
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DOI: 10.1016/J.JFA.2015.09.008
description: scientific article; zbMATH DE number 6535748