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Approximation Characteristics of Spaces $S_\phi ^p$

We introduce linear vector spaces $S_\phi ^p$ and study their approximation properties. By using the general results obtained, we establish statements concerning the approximation of classes of periodic functions of many variables by trigonometric polynomials.

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Bibliographic Details
Date:	2001
Main Authors:	Stepanets, O. I., Степанец, А. И.
Format:	Article
Language:	Russian English
Published:	Institute of Mathematics, NAS of Ukraine 2001
Online Access:	https://umj.imath.kiev.ua/index.php/umj/article/view/4261
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Journal Title:	Ukrains’kyi Matematychnyi Zhurnal
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