A remark on the spectral multiplicity of normal extensions of commuting subnormal operator tuples

DOI10.1007/BF01196606zbMath0794.47012MaRDI QIDQ1804046

Joel D. Pincus, DeChao Zheng

Publication date: 29 June 1993

Published in: Integral Equations and Operator Theory (Search for Journal in Brave)

zbMATH Keywords

minimal normal extensionabsolutely continuous partlocal indexcompletely subnormal \(k\)-tuple of commuting operatorsinteger valued principal functionmaximal ideal space of the Banach algebra

Mathematics Subject Classification ID

Subnormal operators, hyponormal operators, etc. (47B20) Dilations, extensions, compressions of linear operators (47A20)

Related Items (3)

On pure subnormal operators with finite rank self-commutators and related operator tuples ⋮ A commutator formula for subnormal tuples of operators ⋮ Joint torsion of Toeplitz operators with \(H^{\infty}\) symbols

Cites Work

• Reciprocity for Fredholm operators (Lefschetz numbers/Steinberg symbols/holomorphic chains/local index)
• Analytic theory of subnormal operators
• Principal currents
• A trace formula for subnormal operator tuples
• On boundaries of complex analytic varieties. I
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