A class of complex symmetric Toeplitz operators on Hardy and Bergman spaces

An operator T∈B(H) is complex symmetric if there exists a conjugation C on H so that CTC=T⁎. In this paper, we characterize the complex symmetric Toeplitz operator on the Hardy and Bergman space. In particular, we show that the Toeplitz operator induced by the Berezin transform of a complex symmetri...

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Veröffentlicht in:Journal of mathematical analysis and applications 2020-09, Vol.489 (2), p.124173, Article 124173
Hauptverfasser: Li, Ran, Yang, Yixin, Lu, Yufeng
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Sprache:eng
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Zusammenfassung:An operator T∈B(H) is complex symmetric if there exists a conjugation C on H so that CTC=T⁎. In this paper, we characterize the complex symmetric Toeplitz operator on the Hardy and Bergman space. In particular, we show that the Toeplitz operator induced by the Berezin transform of a complex symmetric operator on Hardy space is also complex symmetric with the same conjugation. However, we see that this is not true for Bergman space by providing some examples.
ISSN:0022-247X
1096-0813
DOI:10.1016/j.jmaa.2020.124173