Extended joint numerical radius of the spherical Aluthge transform
DOI10.1007/s11785-024-01583-5MaRDI QIDQ6604732
Bouchra Aharmim, Yassine Labbane
Publication date: 13 September 2024
Published in: Complex Analysis and Operator Theory (Search for Journal in Brave)
Spectrum, resolvent (47A10) Subnormal operators, hyponormal operators, etc. (47B20) Linear symmetric and selfadjoint operators (unbounded) (47B25) Functions whose values are linear operators (operator- and matrix-valued functions, etc., including analytic and meromorphic ones) (47A56) Spectral sets of linear operators (47A25) Transformers, preservers (linear operators on spaces of linear operators) (47B49) Operators on Hilbert spaces (general) (47B02)
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