Sobolev capacity on the space W1, p(⋅)(ℝn)

We define Sobolev capacity on the generalized Sobolev space W1, p(⋅)(ℝn). It is a Choquet capacity provided that the variable exponent p:ℝn→[1,∞) is bounded away from 1 and ∞. We discuss the relation between the Hausdorff dimension and the Sobolev capacity. As another application we study quasiconti...

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Bibliographic Details
Main Authors: Petteri Harjulehto, Peter Hästö, Mika Koskenoja, Susanna Varonen
Format: Article
Language:English
Published: Wiley 2003-01-01
Series:Journal of Function Spaces and Applications
Online Access:http://dx.doi.org/10.1155/2003/895261
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Summary:We define Sobolev capacity on the generalized Sobolev space W1, p(⋅)(ℝn). It is a Choquet capacity provided that the variable exponent p:ℝn→[1,∞) is bounded away from 1 and ∞. We discuss the relation between the Hausdorff dimension and the Sobolev capacity. As another application we study quasicontinuous representatives in the space W1, p(⋅)(ℝn).
ISSN:0972-6802