Symbols of truncated Toeplitz operators

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Bibliographic Details
Title: Symbols of truncated Toeplitz operators
Authors: Baranov, Anton1 anton.d.baranov@gmail.com, Bessonov, Roman2 bessonov@pdmi.ras.ru, Kapustin, Vladimir2 kapustin@pdmi.ras.ru
Source: Journal of Functional Analysis. Dec2011, Vol. 261 Issue 12, p3437-3456. 20p.
Subjects: Toeplitz operators, Mathematical models, Factorization, Shift operators (Operator theory), Analysis of covariance, Embedding theorems, Measure theory
Abstract: Abstract: We consider three topics connected with coinvariant subspaces of the backward shift operator in Hardy spaces : [–] properties of truncated Toeplitz operators; [–] Carleson-type embedding theorems for the coinvariant subspaces; [–] factorizations of pseudocontinuable functions from . These problems turn out to be closely connected and even, in a sense, equivalent. The new approach based on the factorizations allows us to answer a number of challenging questions about truncated Toeplitz operators posed by D. Sarason. [Copyright &y& Elsevier]
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Database: Engineering Source
Description
Abstract:Abstract: We consider three topics connected with coinvariant subspaces of the backward shift operator in Hardy spaces : [–] properties of truncated Toeplitz operators; [–] Carleson-type embedding theorems for the coinvariant subspaces; [–] factorizations of pseudocontinuable functions from . These problems turn out to be closely connected and even, in a sense, equivalent. The new approach based on the factorizations allows us to answer a number of challenging questions about truncated Toeplitz operators posed by D. Sarason. [Copyright &y& Elsevier]
ISSN:00221236
DOI:10.1016/j.jfa.2011.08.005