On Quasisimilarity for Analytic Toeplitz Operators
- 1 March 1988
- journal article
- Published by Canadian Mathematical Society in Canadian Mathematical Bulletin
- Vol. 31 (1) , 111-116
- https://doi.org/10.4153/cmb-1988-017-7
Abstract
Let f be a function in H∞. We show that if f is inner or if the commutant of the analytic Toeplitz operator Tf is equal to that of Tb for some finite Blaschke product b, then any analytic Toeplitz operator quasisimilar to Tf is unitarily equivalent to Tf.Keywords
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