A direct theorem on approximation ``by angle'' in the spaces \(L_ p\), \(0<p<1\)
type: Item
instance of: scholarly article
title: A direct theorem on approximation ``by angle'' in the spaces \(L_ p\), \(0<p<1\)
zbMATH Open document ID: 0826.41016
published in: Mathematical Notes
publication date: 1994-07-21T00:00:00Z
review text: A direct theorem on the approximation ``by angle'' (\textit{M. K. Potapov} [Math. Balkanica 2, 183-198 (1972; Zbl 0293.41018)]) in \(L_{p^*}\), \(0 < p < 1\), in the two-variables case is proved through the mixed modulus of smoothness in \(L_{p^*}\).
Mathematics Subject Classification ID: 41A17
Mathematics Subject Classification ID: 41A63
zbMATH DE Number: 578695
zbMATH Keywords: Jackson theorems
author: Konstantin Runovski
reviewed by: Alexei Lukashov
MaRDI profile type: Publication
description: scientific article; zbMATH DE number 578695