On the Realization of Exact Upper Bounds of the Best Approximations on the Classes <i>H</i><sup>1,1</sup> by Favard Sums

In this paper, we find the sets of all extremal functions for approximations of the Hölder classes of <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msup><mi>H</mi><mn>1</mn></msup&g...

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Bibliographic Details
Main Authors: Dmytro Bushev, Inna Kal’chuk
Format: Article
Language:English
Published: MDPI AG 2023-08-01
Series:Axioms
Subjects:
Online Access:https://www.mdpi.com/2075-1680/12/8/763