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On the eigenvalues of principal submatrices ofJ-normal matrices

Title
On the eigenvalues of principal submatrices ofJ-normal matrices
Type
Article in International Scientific Journal
Year
2011
Authors
Natália Bebiano
(Author)
Other
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Susana Borges Furtado
(Author)
FEP
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João da Providência
(Author)
Other
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Journal
Vol. 435
Pages: 3101-3114
ISSN: 0024-3795
Publisher: Elsevier
Indexing
Publicação em ISI Web of Science ISI Web of Science
Scientific classification
FOS: Natural sciences
Other information
Authenticus ID: P-002-HQM
Abstract (EN): The problem of the existence of aJ-normal matrix A when its spectrum and the spectrum of some of its (n - 1) x (n - 1) principal submatrices are prescribed is analyzed. The case of 3 x 3 matrices is particularly investigated. The results here obtained in the framework of indefinite inner product spaces are in the spirit of those due to Nylen, Tam and Uhlig.
Language: English
Type (Professor's evaluation): Scientific
No. of pages: 14
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