Wavelet characterizations for anisotropic Besov spaces with 0 < p < 1

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  • Universidad Autónoma de Madrid
  • TU Bergakademie Freiberg - University of Resources
  • Politecnico di Torino (POLITO)
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Original languageEnglish
Pages (from-to)573-595
Number of pages23
JournalProceedings of the Edinburgh Mathematical Society
Volume47
Issue number3
Publication statusPublished - Oct 2004
Externally publishedYes

Abstract

We present a wavelet characterization of anisotropic Besov spaces B p,qα(ℝn), valid for the whole range 0 < p, q < ∞, and in terms of multi-resolution analyses with dilation adapted to the anisotropy of the space. Our proofs combine classical techniques based on Bernstein and Jackson-type inequalities, and nonlinear methods for the cases p < 1. Among the consequences of our results, we characterize Bp,qα as a linear approximation space, and derive embeddings and interpolation formulae for Bp,q α, which appear to be new in the literature when p < 1.

Keywords

    Approximation and interpolation spaces, Jackson and Bernstein inequalities, Multilevel decomposition

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Wavelet characterizations for anisotropic Besov spaces with 0 < p < 1. / Garrigós, Gustavo; Hochmuth, Reinhard; Tabacco, Anita.
In: Proceedings of the Edinburgh Mathematical Society, Vol. 47, No. 3, 10.2004, p. 573-595.

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abstract = "We present a wavelet characterization of anisotropic Besov spaces B p,qα(ℝn), valid for the whole range 0 < p, q < ∞, and in terms of multi-resolution analyses with dilation adapted to the anisotropy of the space. Our proofs combine classical techniques based on Bernstein and Jackson-type inequalities, and nonlinear methods for the cases p < 1. Among the consequences of our results, we characterize Bp,qα as a linear approximation space, and derive embeddings and interpolation formulae for Bp,q α, which appear to be new in the literature when p < 1.",
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author = "Gustavo Garrig{\'o}s and Reinhard Hochmuth and Anita Tabacco",
note = "Funding Information: Acknowledgements. Work partially supported by the European Community Human Potential Programme, contracts HPRN-CT-2002-00286 {\textquoteleft}Breaking Complexity{\textquoteright} and HPRN-CT-2001-00273 {\textquoteleft}HARP{\textquoteright}. G.G. was also supported by {\textquoteleft}Programa Ram{\'o}n y Cajal{\textquoteright} and grant BMF2001-0189, MCyT (Spain). The authors thank an anonymous referee whose careful reading and suggestions led to a much improved version of this paper.",
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T1 - Wavelet characterizations for anisotropic Besov spaces with 0 < p < 1

AU - Garrigós, Gustavo

AU - Hochmuth, Reinhard

AU - Tabacco, Anita

N1 - Funding Information: Acknowledgements. Work partially supported by the European Community Human Potential Programme, contracts HPRN-CT-2002-00286 ‘Breaking Complexity’ and HPRN-CT-2001-00273 ‘HARP’. G.G. was also supported by ‘Programa Ramón y Cajal’ and grant BMF2001-0189, MCyT (Spain). The authors thank an anonymous referee whose careful reading and suggestions led to a much improved version of this paper.

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KW - Approximation and interpolation spaces

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KW - Multilevel decomposition

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U2 - 10.1017/S001309150300107X

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JO - Proceedings of the Edinburgh Mathematical Society

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