Numerical ranges of cube roots of the identity

DOI10.1016/j.laa.2011.03.020zbMath1221.47012OpenAlexW1968182863MaRDI QIDQ636226

David Renfrew, Thomas Ryan Harris, Michael Mazzella, Linda J. Patton, Ilya M. Spitkovskij

Publication date: 26 August 2011

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

Full work available at URL: https://doi.org/10.1016/j.laa.2011.03.020

zbMATH Keywords

numerical rangealgebraic operatorthreefold symmetry

Mathematics Subject Classification ID

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

Related Items (5)

Which set is the numerical range of an operator? ⋮ Determinantal representations of invariant hyperbolic plane curves ⋮ Unnamed Item ⋮ Symmetric numerical ranges of four-by-four matrices ⋮ Noncircular elliptic discs as numerical ranges of nilpotent operators

Cites Work

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• Numerical range. The field of values of linear operators and matrices
• Universal subspaces for compact Lie groups
• Numerical Range and Convex Sets^*
• A Complete Set of Unitary Invariants for 3 × 3 Complex Matrices
• Matrices with Circular Symmetry on their Unitary Orbits and C-Numerical Ranges
• Über den Wertevorrat einer Matrix

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