Publication
Flat portions on the boundary of the indefinite numerical range of 3×3 matrices
| dc.contributor.author | Teixeira, Ricardo Emanuel Cunha | |
| dc.contributor.author | Bebiano, Natália | |
| dc.contributor.author | Providência, João da | |
| dc.date.accessioned | 2012-08-29T15:45:21Z | |
| dc.date.available | 2012-08-29T15:45:21Z | |
| dc.date.issued | 2008-06-01 | |
| dc.description | Copyright © 2008 Elsevier Inc. All rights reserved. | en |
| dc.description.abstract | We focus on complex 3×3 matrices whose indefinite numerical ranges have a flat portion on the boundary. The results here obtained are parallel to those of Keeler, Rodman and Spitkovsky for the classical numerical range. | en |
| dc.identifier.citation | Teixeira, Ricardo; Bebiano, Natália; Providência, João da (2008). «Flat portions on the boundary of the indefinite numerical range of 3×3 matrices». "Linear Algebra and its Applications", 428, nº 11-12, 2863-2879. | por |
| dc.identifier.issn | 0024-3795 | |
| dc.identifier.other | http://dx.doi.org/10.1016/j.laa.2008.01.017 | |
| dc.identifier.uri | http://hdl.handle.net/10400.3/1457 | |
| dc.language.iso | eng | por |
| dc.peerreviewed | yes | por |
| dc.publisher | Elsevier | por |
| dc.relation.publisherversion | http://www.sciencedirect.com/science/article/pii/S0024379508000463 | por |
| dc.subject | Indefinite Numerical Range | en |
| dc.subject | Indefinite Inner Product Space | en |
| dc.subject | Plane Algebraic Curve | en |
| dc.subject | Flat Portion | en |
| dc.title | Flat portions on the boundary of the indefinite numerical range of 3×3 matrices | en |
| dc.type | journal article | |
| dspace.entity.type | Publication | |
| oaire.citation.endPage | 2879 | por |
| oaire.citation.issue | 11-12 | por |
| oaire.citation.startPage | 2863 | por |
| oaire.citation.title | Linear Algebra and its Applications | en |
| oaire.citation.volume | 428 | por |
| rcaap.rights | embargoedAccess | por |
| rcaap.type | article | por |