Asymptotic behavior of the condition number of two-level Toeplitz matrix sequences
| dc.contributor.author | Noutsos, D. | en |
| dc.contributor.author | Capizzano, S. S. | en |
| dc.contributor.author | Vassalos, P. | en |
| dc.date.accessioned | 2015-11-24T17:22:01Z | |
| dc.date.available | 2015-11-24T17:22:01Z | |
| dc.identifier.issn | 0024-3795 | - |
| dc.identifier.uri | https://olympias.lib.uoi.gr/jspui/handle/123456789/12555 | |
| dc.rights | Default Licence | - |
| dc.subject | two-level toeplitz matrix | en |
| dc.subject | weakly sectorial symbol | en |
| dc.subject | (asymptotic) conditioning | en |
| dc.subject | eigenvalues | en |
| dc.title | Asymptotic behavior of the condition number of two-level Toeplitz matrix sequences | en |
| heal.abstract | In this note we give condition number estimates for two-level Toeplitz matrices generated by bivariate 2pi-periodic weakly sectorial symbols (the largest class of symbols for which we can guarantee the invertibility of all the corresponding Toeplitz matrices). By using and extending tools previously developed in the one-level context, we show that the asymptotical ill-conditioning is essentially related to the order of zeros of the symbol. (C) 2004 Elsevier Inc. All rights reserved. | en |
| heal.access | campus | - |
| heal.fullTextAvailability | TRUE | - |
| heal.identifier.primary | DOI 10.1016/j.laa.2004.07.014 | - |
| heal.identifier.secondary | <Go to ISI>://000226613500004 | - |
| heal.journalName | Linear Algebra and Its Applications | en |
| heal.journalType | peer reviewed | - |
| heal.language | en | - |
| heal.publicationDate | 2005 | - |
| heal.publisher | Elsevier | en |
| heal.recordProvider | Πανεπιστήμιο Ιωαννίνων. Σχολή Θετικών Επιστημών. Τμήμα Μαθηματικών | el |
| heal.type | journalArticle | - |
| heal.type.el | Άρθρο Περιοδικού | el |
| heal.type.en | Journal article | en |
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