On the norm and spectral radius of Hermitian elements

DOI10.1007/s10986-008-0009-2zbMath1177.46035OpenAlexW2067271772MaRDI QIDQ946804

Saulius Norvidas

Publication date: 24 September 2008

Published in: Lithuanian Mathematical Journal (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/s10986-008-0009-2

zbMATH Keywords

unital Banach algebrauniversal symbolhermitian element

Mathematics Subject Classification ID

Numerical range, numerical radius (47A12) General theory of topological algebras (46H05)

Cites Work

• Estimates for the involution of decomposable elements of a complex Banach algebra
• A functional calculus for Hermitian elements of complex Banach algebras
• The Norm of a Hermitian Element in a Banach Algebra
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