Characterization of generalized convex functions by their best approximation in sign-monotone norms
type: Item
instance of: scholarly article
title: Characterization of generalized convex functions by their best approximation in sign-monotone norms
zbMATH Open document ID: 0405.41019
DOI: 10.1016/0021-9045(78)90020-5
author: E. Kimchi
published in: Journal of Approximation Theory
publication date: 1978-01-01T00:00:00Z
Mathematics Subject Classification ID: 41A50
Mathematics Subject Classification ID: 41A63
zbMATH DE Number: 3629547
zbMATH Keywords: Abstract Approximation Theory
zbMATH Keywords: Chebyshev Systems
zbMATH Keywords: Best Approximations
zbMATH Keywords: Sign Monotone Norm
MaRDI profile type: Publication
full work available at URL: 0021-9045(78)90020-5
OpenAlex ID: W1987504240
cites work: Functions with strictly decreasing distances from increasing Tchebycheff subspaces
cites work: Characterization of generalized convex functions by best \(L^2\)- approximations
cites work: Q5534404
cites work: Restricted Range Approximation of k-Convex Functions in Monotone Norms
cites work: A necessary condition for best approximation in monotone and sign- monotone norms
cites work: Q5534403
description: scientific article; zbMATH DE number 3629547