Norm equality for a basic elementary operator.

DOI10.1016/S0022-247X(02)00657-1zbMath1057.47039OpenAlexW2032758379MaRDI QIDQ1413186

Mohamed Boumazgour, Mohamed Barraa

Publication date: 16 November 2003

Published in: Journal of Mathematical Analysis and Applications (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/s0022-247x(02)00657-1

zbMATH Keywords

normnumerical rangeelementary operators

Mathematics Subject Classification ID

Numerical range, numerical radius (47A12) Commutators, derivations, elementary operators, etc. (47B47)

Related Items (1)

Norm inequalities for sums of two basic elementary operators

Cites Work

• The Daugavet equation in uniformly convex Banach spaces
• The Apostol-Fialkow formula for elementary operators on Banach spaces
• The norm of a derivation
• Norms of derivations on \({\mathfrak L}({\mathfrak X})\)
• Inner derivations and norm equality
• The unilateral shift and a norm equality for bounded linear operators
• Uniform primeness of the Jordan algebra of symmetric operators
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