Best approximation for Weierstrass transform connected with spherical mean operator

DOI10.1016/S0252-9602(12)60029-0zbMath1265.44006OpenAlexW1975581874MaRDI QIDQ1931188

Nebila Msehli, Lakhdar Tannech Rachdi

Publication date: 24 January 2013

Published in: Acta Mathematica Scientia. Series B. (English Edition) (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/s0252-9602(12)60029-0

zbMATH Keywords

best approximationreproducing kernelextremal functionspherical mean operatorWeierstrass transform

Mathematics Subject Classification ID

Special integral transforms (Legendre, Hilbert, etc.) (44A15) Best approximation, Chebyshev systems (41A50) Hilbert spaces with reproducing kernels (= (proper) functional Hilbert spaces, including de Branges-Rovnyak and other structured spaces) (46E22)

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Learning rates of kernel-based robust classification ⋮ Maximal operators in the spherical mean setting ⋮ Toeplitz operators for wavelet transform related to the spherical mean operator

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