Spherical symmetry of some unitary invariants for commuting tuples

DOI10.7153/OAM-2021-15-70OpenAlexW3203063914MaRDI QIDQ5072468

Kais Feki, Sameer Chavan

Publication date: 28 April 2022

Published in: Operators and Matrices (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.7153/oam-2021-15-70

zbMATH Keywords

Taylor spectrumunitary invariantsjoint hyponormality

Mathematics Subject Classification ID

Several-variable operator theory (spectral, Fredholm, etc.) (47A13) Subnormal operators, hyponormal operators, etc. (47B20)

Related Items (2)

Inequalities involving the generalized spherical Aluthge transform of operators ⋮ Upper bounds for the Euclidean spectral radius of operators via joint norms

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