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Hyponormality of the dilation of truncated Toeplitz operators
Complex Variables and Elliptic Equations ( IF 0.9 ) Pub Date : 2020-06-23 , DOI: 10.1080/17476933.2020.1779233
Eungil Ko 1 , Ji Eun Lee 2 , Takahiko Nakazi 3
Affiliation  

ABSTRACT

In this paper, we study hyponormality of the dilation of truncated Toeplitz operators on L2. In particular, we provide necessary and sufficient conditions for the dilation of truncated Toeplitz operators to be hyponormal. Moreover, we investigate connections between hyponormal and normal dilations of truncated Toeplitz operators.



中文翻译:

截断 Toeplitz 算子膨胀的次规范性

摘要

在本文中,我们研究了截断 Toeplitz 算子的膨胀的次正态性 2. 特别是,我们为截断的 Toeplitz 算子的扩张是次正态提供了充分必要条件。此外,我们研究了截断的 Toeplitz 算子的次正态和正态膨胀之间的联系。

更新日期:2020-06-23
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