$k$-hyponormality of powers of weighted shifts via Schur products
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Publication:4806425
DOI10.1090/S0002-9939-02-06805-3zbMath1022.47022arXivmath/0207066OpenAlexW1527964118MaRDI QIDQ4806425
Publication date: 14 May 2003
Published in: Proceedings of the American Mathematical Society (Search for Journal in Brave)
Full work available at URL: https://arxiv.org/abs/math/0207066
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) Software, source code, etc. for problems pertaining to operator theory (47-04)
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