Criteria for positively quadratically hyponormal weighted shifts

DOI10.1090/S0002-9939-02-06493-6zbMath1011.47017OpenAlexW1899118662MaRDI QIDQ4539849

George R. Exner, Il Bong Jung, Ju Youn Bae

Publication date: 11 July 2002

Published in: Proceedings of the American Mathematical Society (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1090/s0002-9939-02-06493-6

zbMATH Keywords

\(k\)-hyponormal operatorpositively quadratically hyponormal operatorquadratically hyponormal operator

Mathematics Subject Classification ID

Subnormal operators, hyponormal operators, etc. (47B20) Linear operators on special spaces (weighted shifts, operators on sequence spaces, etc.) (47B37)

Related Items (9)

Unnamed Item ⋮ Semi-cubic hyponormality of weighted shifts with Stampfli recursive tail ⋮ Unnamed Item ⋮ On semi-weakly \(n\)-hyponormal weighted shifts ⋮ Backward extensions of recursively generated weighted shifts and quadratic hyponormality ⋮ Weak Hamburger-type weighted shifts and their examples ⋮ BACKWARD 3-STEP EXTENSIONS OF RECURSIVELY GENERATED WEIGHTED SHIFTS: A RANGE OF QUADRATIC HYPONORMALITY ⋮ Quadratically hyponormal weighted shifts with recursive tail ⋮ Quadratically Hyponormal Recursively Generated Weighted Shifts

Uses Software

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Cites Work

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• Quadratically hyponormal weighted shifts
• Recursively generated weighted shifts and the subnormal completion problem
• Recursively generated weighted shifts and the subnormal completion problem. II
• Quadratically hyponormal weighted shifts and their examples
• Quadratically hyponormal weighted shifts with two equal weights
• One-step extension of the Bergman shift

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