On the best polynomial approximations in \(L_2\) of some classes of \(2\pi\)-periodic functions and of the exact values of their \(n\)-widths
type: Item
instance of: scholarly article
title: On the best polynomial approximations in \(L_2\) of some classes of \(2\pi\)-periodic functions and of the exact values of their \(n\)-widths
zbMATH Open document ID: 1018.41016
DOI: 10.1023/A:1012335526330
author: S. B. Vakarchuk
published in: Mathematical Notes
publication date: 2003-06-15T00:00:00Z
Mathematics Subject Classification ID: 41A46
Mathematics Subject Classification ID: 41A44
Mathematics Subject Classification ID: 42A10
zbMATH DE Number: 1927801
zbMATH Keywords: best polynomial approximation
zbMATH Keywords: exact constants in Jackson-type inequalities
zbMATH Keywords: space of \(2\pi\)-periodic measurable square-integrable functions
zbMATH Keywords: modulus of smoothness of \(m\)th order
MaRDI profile type: Publication
description: scientific article; zbMATH DE number 1927801