Abstract view
The Numerical Range of 2-Dimensional Krein Space Operators
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Published:2008-03-01
Printed: Mar 2008
Hiroshi Nakazato
Natália Bebiano
Jo\ ao da Providência
Abstract
The tracial numerical range of operators on a $2$-dimensional
Krein space is investigated. Results in the vein
of those obtained in the context of Hilbert
spaces are obtained.
MSC Classifications: |
15A60, 15A63, 15A45 show english descriptions
Norms of matrices, numerical range, applications of functional analysis to matrix theory [See also 65F35, 65J05] Quadratic and bilinear forms, inner products [See mainly 11Exx] Miscellaneous inequalities involving matrices
15A60 - Norms of matrices, numerical range, applications of functional analysis to matrix theory [See also 65F35, 65J05] 15A63 - Quadratic and bilinear forms, inner products [See mainly 11Exx] 15A45 - Miscellaneous inequalities involving matrices
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