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Estimates of characteristics of nonlinear approximation of classes of periodic functions

In the paper we make an overview of results concerning order estimates of the best m-term (sparse) trigonometric approximation and the best orthogonal trigonometric approximation of the Stepanets classes of multi- and univariate functions with bounded generalized derivatives in the Lebesque space. I...

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Date:	2025
Author Affiliations:	Катерина Пожарська — Інститут математики НАН України, м. Київ, Україна; Технічний університет м. Хемніц, Німеччина
Keywords:	keywords
Main Authors:	Pozharska, Kateryna, Пожарська, Катерина
Format:	Article
Language:	Ukrainian
Published:	Інститут математики НАН України 2025
Online Access:	https://trim.imath.kiev.ua/index.php/trim/article/view/545
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Journal Title:	Transactions of Institute of Mathematics of NAS of Ukraine
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Transactions of Institute of Mathematics of NAS of Ukraine

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