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Exact values of widths for the classes of functions defined by the averaged smoothness characteristics and majorants in the space $L_2$

UDC 517.5 Exact values of various widths are determined in the space $L_2$ for the classes $2\pi$-periodic functions constructed with the use of the averaged smoothness characteristics and majorants under certain restrictions imposed on the majorants. Several specific examples are considered with an...

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Bibliographic Details
Date:	2026
Main Authors:	Vakarchuk, S., Zabutna, V., Vakarchuk, M., Вакарчук, Сергій, Забутна, Валентина, Вакарчук, Михайло
Format:	Article
Language:	Ukrainian
Published:	Institute of Mathematics, NAS of Ukraine 2026
Online Access:	https://umj.imath.kiev.ua/index.php/umj/article/view/9225
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Journal Title:	Ukrains’kyi Matematychnyi Zhurnal
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