The Numerical Index of Nonselfadjoint Operator Algebras

DOI10.2307/2159541zbMath0809.46053OpenAlexW4250428520MaRDI QIDQ4039315

Kichi-Suke Saito, Yoshihiro Nakamura, Kazunari Sakaba

Publication date: 3 April 1995

Full work available at URL: https://doi.org/10.2307/2159541

zbMATH Keywords

closed subalgebra of \(B(H)\)

Mathematics Subject Classification ID

Numerical range, numerical radius (47A12) Abstract operator algebras on Hilbert spaces (47L30) General theory of (C^*)-algebras (46L05) Nonselfadjoint (sub)algebras in algebras with involution (46K50)

Cites Work

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• Über den numerischen Wertebereich eines Operators
• Normal parts of certain operators
• The Numerical Radius of a Nilpotent Operator on a Hilbert Space
• Characterizations of commutativity forC*-algebras
• The Normed Space Numerical Index of C ∗ -Algebras