On superoptimal approximation by analytic and meromorphic matrix-valued functions
type: Item
instance of: scholarly article
title: On superoptimal approximation by analytic and meromorphic matrix-valued functions
zbMATH Open document ID: 0877.47008
published in: Journal of Functional Analysis
publication date: 1997-12-08T00:00:00Z
Mathematics Subject Classification ID: 47A56
Mathematics Subject Classification ID: 41A50
Mathematics Subject Classification ID: 47B35
Mathematics Subject Classification ID: 47B06
zbMATH DE Number: 790369
zbMATH Keywords: meromorphic matrix-valued functions
zbMATH Keywords: unique best approximation
zbMATH Keywords: Hardy class
zbMATH Keywords: superoptimal solution
zbMATH Keywords: Nehari problem
zbMATH Keywords: geometric approach
zbMATH Keywords: superoptimal approximation
zbMATH Keywords: \(s\)-numbers
zbMATH Keywords: Hankel operator
zbMATH Keywords: superoptimal singular values
zbMATH Keywords: operator-valued functions
author: Sergei Treil
MaRDI profile type: Publication
full work available at URL: jfan.1995.1094
OpenAlex ID: W2005784427
DOI: 10.1006/JFAN.1995.1094
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description: scientific article; zbMATH DE number 790369