Open AccessSemi-quasitriangularity of Toeplitz operators
Author(s) -
An Hyun Kim
Publication year - 2017
Publication title -
filomat
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.449
H-Index - 34
eISSN - 2406-0933
pISSN - 0354-5180
DOI - 10.2298/fil1703729k
Subject(s) - mathematics , toeplitz matrix , trigonometric polynomial , degree (music) , operator (biology) , trigonometry , polynomial , order (exchange) , pure mathematics , trigonometric functions , algebra over a field , mathematical analysis , geometry , biochemistry , chemistry , physics , finance , repressor , acoustics , transcription factor , economics , gene
In this paper we give a necessary and sufficient condition, in terms of the coefficients of ', in order for the Toeplitz operator T' to be semi-quasitriangular when ' is a trigonometric polynomial of degree two and has real coefficients.
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