On Geršgorin-type problems and ovals of cassini
type: Item
instance of: scholarly article
title: On Geršgorin-type problems and ovals of cassini
zbMATH Open document ID: 0927.15008
author: Alan Krautstengel
author: Richard S. Varga
publication date: 1999-06-21T00:00:00Z
full work available at URL: https://eudml.org/doc/120033
full work available at URL: pp15-20.html
review text: The authors consider the class of matrices with fixed Gershgorin discs. A precise description of the union of the spectra of all these matrices is given, in terms of the corresponding Cassini ovals.
Mathematics Subject Classification ID: 15A42
Mathematics Subject Classification ID: 15A18
zbMATH DE Number: 1306000
zbMATH Keywords: localization of eigenvalues
zbMATH Keywords: Cassini ovals
zbMATH Keywords: Gershgorin discs
reviewed by: Jaroslav Zemánek
MaRDI profile type: Publication
published in: ETNA - Electronic Transactions on Numerical Analysis
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description: scientific article; zbMATH DE number 1306000