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Remarks on Hyponormal Toeplitz Operators on the Weighted Bergman Spaces
Complex Analysis and Operator Theory ( IF 0.7 ) Pub Date : 2020-10-28 , DOI: 10.1007/s11785-020-01046-7
Eungil Ko , Jongrak Lee

In this paper, we study the hyponormal Toeplitz operators \(T_{\varphi }\), where \(\varphi \) is a trigonometric polynomial symbol with finite degree. We present necessary and sufficient conditions for the hyponormality of \(T_{\varphi }\) under some assumptions about the coefficients of \(\varphi \). Next, we find the necessary condition for hyponormality of \(T_{\varphi }\).



中文翻译:

关于加权Bergman空间上的伪正规Toeplitz算符

在本文中,我们研究了伪正交Toeplitz算符\(T _ {\ varphi} \),其中\(\ varphi \)是有限度的三角多项式符号。在关于\(\ varphi \)系数的一些假设下,我们给出了\(T _ {\ varphi} \)的超正态性的充要条件。接下来,我们找到\(T _ {\ varphi} \)的超正态性的必要条件。

更新日期:2020-10-30
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