Please use this identifier to cite or link to this item:
https://hdl.handle.net/10316/4632
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Bebiano, N. | - |
dc.contributor.author | Lemos, R. | - |
dc.contributor.author | Providência, J. da | - |
dc.contributor.author | Soares, G. | - |
dc.date.accessioned | 2008-09-01T11:35:35Z | - |
dc.date.available | 2008-09-01T11:35:35Z | - |
dc.date.issued | 2005 | en_US |
dc.identifier.citation | Linear Algebra and its Applications. 399:(2005) 17-34 | en_US |
dc.identifier.uri | https://hdl.handle.net/10316/4632 | - |
dc.description.abstract | Geometric properties of the numerical ranges of operators on an indefinite inner product space are investigated. In particular, classes of matrices are presented such that the boundary generating curves of the J-numerical range are hyperbolical. The curvature of the J-numerical range at a boundary point is studied, generalizing results of Fiedler on the classical numerical range. | en_US |
dc.description.uri | http://www.sciencedirect.com/science/article/B6V0R-4CS4S2Y-3/1/7cad13ced1ef55f0c600d1ffdb4ec365 | en_US |
dc.format.mimetype | aplication/PDF | en |
dc.language.iso | eng | eng |
dc.rights | openAccess | eng |
dc.subject | Indefinite inner product | en_US |
dc.subject | Numerical range | en_US |
dc.subject | Generalized Levinger curve | en_US |
dc.title | On the geometry of numerical ranges in spaces with an indefinite inner product | en_US |
dc.type | article | en_US |
item.fulltext | Com Texto completo | - |
item.grantfulltext | open | - |
item.languageiso639-1 | en | - |
item.cerifentitytype | Publications | - |
item.openairetype | article | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
crisitem.author.dept | Faculty of Sciences and Technology | - |
crisitem.author.parentdept | University of Coimbra | - |
crisitem.author.researchunit | CMUC - Centre for Mathematics of the University of Coimbra | - |
crisitem.author.orcid | 0000-0003-4215-3067 | - |
Appears in Collections: | FCTUC Matemática - Artigos em Revistas Internacionais |
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file9262b22ce2204da1998614cdafc9d2eb.pdf | 276.76 kB | Adobe PDF | View/Open |
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