On Kippenhahn curves and higher-rank numerical ranges of some matrices

DOI10.1016/j.laa.2021.08.010zbMath1478.15031arXiv2104.07893OpenAlexW3193723693MaRDI QIDQ1979377

Yanyan Li

Publication date: 2 September 2021

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

Full work available at URL: https://arxiv.org/abs/2104.07893

zbMATH Keywords

numerical rangereciprocal matricesKippenhahn curve

Mathematics Subject Classification ID

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

Related Items (3)

On the envelope of some classes of 3 by 3 matrices ⋮ Unnamed Item ⋮ On some reciprocal matrices with elliptical components of their Kippenhahn curves

Cites Work

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• Unnamed Item
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• On the higher rank numerical range of the shift operator
• Higher-rank numerical ranges of unitary and normal matrices
• The higher rank numerical range is convex
• On the numerical range of a matrix
• Über den Wertevorrat einer Matrix

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