A new characterization of subnormality for a class of 2-variable weighted shifts with 1-atomic core

DOI10.1016/j.laa.2017.10.010OpenAlexW2766417956MaRDI QIDQ1680288

Jaewoong Kim, Jasang Yoon

Publication date: 15 November 2017

Published in: Linear Algebra and its Applications (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/j.laa.2017.10.010

zbMATH Keywords

Moore-Penrose inverse2-variable weighted shiftssubnormal pairsFranks' resultthe Berger theoremthe Bram-Halmos characterizationthe lifting problem for commuting subnormal operators

Mathematics Subject Classification ID

Positive matrices and their generalizations; cones of matrices (15B48) Several-variable operator theory (spectral, Fredholm, etc.) (47A13) Subnormal operators, hyponormal operators, etc. (47B20) Linear operators on special spaces (weighted shifts, operators on sequence spaces, etc.) (47B37) Toeplitz, Cauchy, and related matrices (15B05)

Cites Work

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