On the shape of the generalized numerical ranges

DOI10.1080/03081088108817410zbMath0471.47002OpenAlexW2065972120MaRDI QIDQ3924703

Nam-Kiu Tsing

Publication date: 1981

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

Full work available at URL: https://doi.org/10.1080/03081088108817410

zbMATH Keywords

generalized numerical ranges

Mathematics Subject Classification ID

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

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Cites Work

• \(3\times 3\) orthostochastic matrices and the convexity of generalized numerical ranges
• Elementary inclusion relations for generalized numerical ranges
• On certain finite dimensional numerical ranges and numerical radii^†
• Another proof of a result of Westwick
• The generalizedK- numerical range
• A theorem on numerical range
• A remark on the generalized numerical range of a normal matrix

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