Indefinite higher-rank numerical ranges

DOI10.1080/03081087.2011.624095zbMath1278.47013OpenAlexW2084050761MaRDI QIDQ5200335

Natália Bebiano, João da Providência

Publication date: 5 November 2012

Published in: Linear and Multilinear Algebra (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1080/03081087.2011.624095

zbMATH Keywords

indefinite inner productJ-Hermitian matrixclassical numerical rangeindefinite higher-rank numerical rangeJ-normal matrix

Mathematics Subject Classification ID

Norms of matrices, numerical range, applications of functional analysis to matrix theory (15A60) Numerical range, numerical radius (47A12)

Cites Work

• Higher-rank numerical ranges and compression problems
• The \(J\)-numerical range of a \(J\)-Hermitian matrix and related inequalities
• A quantum computing primer for operator theorists
• Inequalities for \(J\)-Hermitian matrices
• On thekth matrix numerical range
• Remarks on numerical ranges of operators in spaces with an indefinite metric
• On Generalized Numerical Ranges of Operators on an Indefinite Inner Product Space
• Higher-rank numerical ranges of unitary and normal matrices

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