$k$-hyponormality of finite rank perturbations of unilateral weighted shifts

DOI10.1090/S0002-9947-05-04029-8zbMath1072.47018arXivmath/0507065OpenAlexW2064763747MaRDI QIDQ5313305

Woo Young Lee, Raúl E. Curto

Publication date: 29 August 2005

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

Full work available at URL: https://arxiv.org/abs/math/0507065

zbMATH Keywords

subnormality2-hyponormality positive quadratic hyponormality

Mathematics Subject Classification ID

Subnormal operators, hyponormal operators, etc. (47B20) Toeplitz operators, Hankel operators, Wiener-Hopf operators (47B35) Linear operators on special spaces (weighted shifts, operators on sequence spaces, etc.) (47B37) Linear operator methods in interpolation, moment and extension problems (47A57) Dilations, extensions, compressions of linear operators (47A20) Software, source code, etc. for problems pertaining to operator theory (47-04)

Related Items (6)

Weighted join operators on directed trees ⋮ Weak positive matrices and hyponormal weighted shifts ⋮ Berger measure for \(S(a,b,c,d)\) ⋮ A relationship: subnormal, polynomially hyponormal and semi-weakly hyponormal weighted shifts ⋮ Weighted shifts induced by Hamburger moment sequences ⋮ Weighted shifts on directed trees

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