scientific article; zbMATH DE number 7047624

zbMath1449.47019MaRDI QIDQ4631971

Jasang Yoon, Jaewoong Kim

Publication date: 24 April 2019

Full work available at URL: http://www.theta.ro/jot/archive/2019-081-001/2019-081-001-004.html

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zbMATH Keywords

2-variable weighted shiftscommon invariant subspacesTaylor spectrageneralized Aluthge transformscommuting \(n\)-tuplesDuggal transforms

Mathematics Subject Classification ID

Several-variable operator theory (spectral, Fredholm, etc.) (47A13) Functional calculus for linear operators (47A60) Subnormal operators, hyponormal operators, etc. (47B20) Invariant subspaces of linear operators (47A15) Linear operators on special spaces (weighted shifts, operators on sequence spaces, etc.) (47B37) Dilations, extensions, compressions of linear operators (47A20) Moment problems (44A60) Transformers, preservers (linear operators on spaces of linear operators) (47B49)

Related Items (8)

Spectra of the spherical Aluthge transform, the linear pencil, and a commuting pair of operators ⋮ Spherical Aluthge transform, sphericalpandlog-hyponormality of commuting pairs of operators ⋮ The spectral picture and joint spectral radius of the generalized spherical Aluthge transform ⋮ Generalized spherical Aluthge transforms and binormality for commuting pairs of operators ⋮ Spherical mean transform of operator pairs ⋮ Inequalities involving the generalized spherical Aluthge transform of operators ⋮ Upper bounds for the Euclidean spectral radius of operators via joint norms ⋮ Joint numerical radius of spherical Aluthge transforms of tuples of Hilbert space operators

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