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AuthorTuresson, Bengt Ove. author
TitleNonlinear Potential Theory and Weighted Sobolev Spaces [electronic resource] / by Bengt Ove Turesson
ImprintBerlin, Heidelberg : Springer Berlin Heidelberg, 2000
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Descript XII, 180 p. online resource


The book systematically develops the nonlinear potential theory connected with the weighted Sobolev spaces, where the weight usually belongs to Muckenhoupt's class of Ap weights. These spaces occur as solutions spaces for degenerate elliptic partial differential equations. The Sobolev space theory covers results concerning approximation, extension, and interpolation, Sobolev and Poincarรฉ inequalities, Maz'ya type embedding theorems, and isoperimetric inequalities. In the chapter devoted to potential theory, several weighted capacities are investigated. Moreover, "Kellogg lemmas" are established for various concepts of thinness. Applications of potential theory to weighted Sobolev spaces include quasi continuity of Sobolev functions, Poincarรฉ inequalities, and spectral synthesis theorems


Introduction -- Preliminaries: Notation and conventions. Basic results concerning weights -- Sobolev spaces: The Sobolev space $Ŵ(mp) w (/Omega)$. The Sobolev space $Ŵ(mp) w (/Omega)$. Hausdorff measures. Isoperimetric inequalities. Some Sobolev type inequalities. Embeddings into L̂q ยต(ร{155}) -- Potential theory: Norm inequalities for fractional integrals and maximal functions. Meyers' Theory for Lp-capacities. Bessel and Riesz capacities. Hausdorff capacities. Variational capacities. Thinness: The case 1< p

Mathematics Partial differential equations Potential theory (Mathematics) Mathematics Potential Theory Partial Differential Equations


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