Essential numerical range and maximal numerical range of the Aluthge transform

DOI10.1080/03081080500380397zbMath1119.47007OpenAlexW2009700259WikidataQ126268163 ScholiaQ126268163MaRDI QIDQ3439829

Ni Liu, Ze Li, Guo Xing Ji

Publication date: 18 May 2007

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

Full work available at URL: https://doi.org/10.1080/03081080500380397

zbMATH Keywords

numerical rangeessential numerical rangepolar decompositionAluthge transformmaximal numerical range

Mathematics Subject Classification ID

Numerical range, numerical radius (47A12)

Related Items (3)

Unnamed Item ⋮ Maximal numerical range of the bimultiplication M_2, A, B ⋮ Maximal numerical range and quadratic elements in a C✻-algebra

Cites Work

• Aluthge transforms of operators
• Numerical range of Aluthge transform of operator
• The norm of a derivation
• On p-hyponormal operators for \(0<p<1\)
• Spectral pictures of Aluthge transforms of operators
• On numerical range of the Aluthge transformation

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