Approximation by analytic operator functions. Factorizations and very badly approximable functions

DOI10.1090/S1061-0022-06-00917-4zbMath1153.47011arXivmath/0407458WikidataQ114093821 ScholiaQ114093821MaRDI QIDQ3533618

Vladimir V. Peller, S. R. Treil'

Publication date: 23 October 2008

Published in: St. Petersburg Mathematical Journal (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/math/0407458

zbMATH Keywords

superoptimal approximationToeplitz operatorsHankel operatorsbadly approximable operator functionsvery badly approximable operator functions

Mathematics Subject Classification ID

Banach algebras of continuous functions, function algebras (46J10) Toeplitz operators, Hankel operators, Wiener-Hopf operators (47B35) Functions whose values are linear operators (operator- and matrix-valued functions, etc., including analytic and meromorphic ones) (47A56) Factorization theory (including Wiener-Hopf and spectral factorizations) of linear operators (47A68) Approximation in the complex plane (30E10)

Cites Work

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