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Best $m$-term trigonometric approximation for the classes $B^r_{p,θ}$ of functions of low smoothness

We obtain an exact-order estimate for the best $m$-term trigonometric approximation of the Besov classes $B^r_{p,θ}$ of periodic functions of many variables of low smoothness in the space $L_q, \; 1 < p ≤ 2 < q < ∞$.

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Bibliographic Details
Date:	2010
Main Authors:	Stasyuk, S. A., Стасюк, С. А.
Format:	Article
Language:	Russian English
Published:	Institute of Mathematics, NAS of Ukraine 2010
Online Access:	https://umj.imath.kiev.ua/index.php/umj/article/view/2846
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Journal Title:	Ukrains’kyi Matematychnyi Zhurnal
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