The length of the alternation set as a factor in determining when a best real rational approximation is also a best complex rational approximation
type: Item
instance of: scholarly article
title: The length of the alternation set as a factor in determining when a best real rational approximation is also a best complex rational approximation
zbMATH Open document ID: 0493.41017
DOI: 10.1016/0021-9045(81)90093-9
published in: Journal of Approximation Theory
publication date: 1981-01-01T00:00:00Z
Mathematics Subject Classification ID: 41A20
Mathematics Subject Classification ID: 41A50
zbMATH DE Number: 3776135
zbMATH Keywords: alternation set
zbMATH Keywords: best uniform rational approximants
author: Arden Ruttan
MaRDI profile type: Publication
full work available at URL: 0021-9045(81)90093-9
OpenAlex ID: W2004364978
cites work: Q5627151
cites work: Q5531436
cites work: Q5583224
cites work: Nonuniqueness of best complex rational approximations to real functions on real intervals
cites work: On the characterization of complex rational approximations
description: scientific article; zbMATH DE number 3776135