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Trigonometric widths of the classes $B_{p,θ}^ r$ of functions of many variables in the space $L_q$

We obtain estimates exact in order for the trigonometric widths of the Besov classes $B_{p,θ}^ r$ of periodic functions of many variables in the space $L_q$ for $1 ≤ p ≤ 2 < q < p/(p - 1)$.

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Bibliographic Details
Date:	1998
Main Authors:	Romanyuk, A. S., Романюк, А. С.
Format:	Article
Language:	Russian English
Published:	Institute of Mathematics, NAS of Ukraine 1998
Online Access:	https://umj.imath.kiev.ua/index.php/umj/article/view/4858
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Journal Title:	Ukrains’kyi Matematychnyi Zhurnal
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