A lower bound for the projection constant of \(II_ 2\)
type: Item
instance of: scholarly article
title: A lower bound for the projection constant of \(II_ 2\)
zbMATH Open document ID: 0655.41008
DOI: 10.1016/0021-9045(87)90030-X
author: G. J. O. Jameson
published in: Journal of Approximation Theory
publication date: 1987-01-01T00:00:00Z
review text: Let \(II_ n\) denote the space of polynomials of degree not greater than n, regarded as a subspace of C[-1,1]. The exact projection constant of \(II_ 2\) remains unknown. In this note the author shows that the constant is not less then 1.2158.
Mathematics Subject Classification ID: 41A10
zbMATH DE Number: 4069490
zbMATH Keywords: projection constant
MaRDI profile type: Publication
description: scientific article; zbMATH DE number 4069490