scientific article; zbMATH DE number 1134686

zbMath0893.47013MaRDI QIDQ4382145

Bhaggy Duggal

Publication date: 26 March 1998

Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.

zbMATH Keywords

spectrumisometryWeyl's theorempolar decompositionhyponormal operatorsPutnam's estimation of the norm of the selfcommutator

Mathematics Subject Classification ID

Functional calculus for linear operators (47A60) Spectrum, resolvent (47A10) Subnormal operators, hyponormal operators, etc. (47B20)

Related Items

Angular cutting for log-hyponormal operators ⋮ On totally *-paranormal operators ⋮ Berger-Shaw's theorem for \(p\)-hyponormal operators ⋮ Inequalities of Putnam and Berger-Shaw for \(p\)-quasihyponormal operators