Symmetrization inequalities in the fractional case and Besov embeddings |
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| Authors: | Joaquim Martí n |
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| Affiliation: | Department de Matemàtiques, Universitat Autònoma de Barcelona, 08193 Bellaterra, Barcelona, Spain |
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| Abstract: | We prove new extended forms of the Pólya-Szegö symmetrization principle in the fractional case. As a consequence we determine new results for rearrangement invariant hulls of generalized Besov spaces. |
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| Keywords: | Symmetrization Besov spaces Sobolev spaces Rearrangement invariant spaces |
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