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Please use this identifier to cite or link to this item: http://hdl.handle.net/10773/6586
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dc.contributor.authorBebiano, N.pt
dc.contributor.authorLemos, R.pt
dc.contributor.authorDa Providência, J.pt
dc.contributor.authorSoares, G.pt
dc.date.accessioned2012-02-17T13:23:25Z-
dc.date.issued2005-
dc.identifier.issn0024-3795pt
dc.identifier.urihttp://hdl.handle.net/10773/6586-
dc.description.abstractGeometric 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. © 2004 Elsevier Inc. All rights reserved.pt
dc.language.isoeng-
dc.publisherElsevierpt
dc.relation.urihttp://www.scopus.com/inward/record.url?eid=2-s2.0-14644390299&partnerID=40&md5=a5dce95f6e6d333f5589bf9b8896a205-
dc.rightsrestrictedAccesspor
dc.subjectGeneralized Levinger curvept
dc.subjectIndefinite inner productpt
dc.subjectNumerical rangept
dc.titleOn the geometry of numerical ranges in spaces with an indefinite inner productpt
dc.typearticlept
dc.peerreviewedyespt
ua.distributioninternationalpt
degois.publication.firstPage17pt
degois.publication.issue1pt
degois.publication.issue1-3-
degois.publication.lastPage34pt
degois.publication.titleLinear Algebra and Its Applicationspt
degois.publication.volume399pt
dc.date.embargo10000-01-01-
dc.identifier.doi10.1016/j.laa.2004.04.021,*
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