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Transactions of the American Mathematical Society

Published by the American Mathematical Society since 1900, Transactions of the American Mathematical Society is devoted to longer research articles in all areas of pure and applied mathematics.

ISSN 1088-6850 (online) ISSN 0002-9947 (print)

The 2024 MCQ for Transactions of the American Mathematical Society is 1.48 .

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Schatten class Hankel operators on the Segal-Bargmann space and the Berger-Coburn phenomenon
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by Zhangjian Hu and Jani A. Virtanen PDF
Trans. Amer. Math. Soc. 375 (2022), 3733-3753 Request permission

Corrigendum: Trans. Amer. Math. Soc. (to appear).

Abstract:

We give a complete characterization of Schatten class Hankel operators $H_f$ acting on weighted Segal-Bargmann spaces $F^2(\varphi )$ using the notion of integral distance to analytic functions in $\mathbb {C}^n$ and Hörmander’s $\bar \partial$-theory. Using our characterization, for $f\in L^\infty$ and $1<p<\infty$, we prove that $H_f$ is in the Schatten class $S_p$ if and only if $H_{\bar {f}}\in S_p$, which was previously known only for the Hilbert-Schmidt class $S_2$ of the standard Segal-Bargmann space $F^2(\varphi )$ with $\varphi (z) = \alpha |z|^2$.
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Additional Information
  • Zhangjian Hu
  • Affiliation: Department of Mathematics, Huzhou University, Huzhou, Zhejiang, China
  • MR Author ID: 227292
  • Email: huzj@zjhu.edu.cn
  • Jani A. Virtanen
  • Affiliation: Department of Mathematics and Statistics, University of Reading, Reading, England; Department of Mathematics and Statistics, University of Helsinki, Helsinki, Finland
  • MR Author ID: 730579
  • Email: j.a.virtanen@reading.ac.uk, jani.virtanen@helsinki.fi
  • Received by editor(s): October 26, 2021
  • Received by editor(s) in revised form: December 24, 2021
  • Published electronically: February 24, 2022
  • Additional Notes: The first author was supported in part by the National Natural Science Foundation of China (12071130, 12171150)
    The second author was supported in part by Engineering and Physical Sciences Research Council grant EP/T008636/1.
  • © Copyright 2022 American Mathematical Society
  • Journal: Trans. Amer. Math. Soc. 375 (2022), 3733-3753
  • MSC (2020): Primary 47B35, 47B10; Secondary 32A25, 32A37
  • DOI: https://doi.org/10.1090/tran/8638
  • MathSciNet review: 4402674