Abstract
We characterize the \(L^p\)–\(L^q\) compactness of Bergman type operators, which are singular integral operators induced by the modified Bergman kernel on the complex unit ball. Moreover, we characterize Schatten class and Macaev class Bergman type integral operators on the Lebesgue space and the Bergman space by the methods of spectral estimates and operator inequalities; we also give a relatively intrinsic characterization by introducing a concept of dimension of a compact operator. The Dixmier trace of Bergman type operators is also calculated.
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Acknowledgements
The author would like to thank Professor Qi’an Guan and Professor Kai Wang for their helpful discussions. The author would also like to thank Professor H. Kaptanoğlu devoutly for sending us their recent work. The author was partially supported by NSFC (12201571) and Scientific Research Foundation of Zhengzhou University (32213181). The author thank the anonymous referees for constructive comments which helped to improve the paper.
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This article is part of the topical collection “Harmonic Analysis and Operator Theory” edited by H. Turgay Kaptanoglu, Aurelian Gheondea and Serap Oztop.
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Ding, L. Compact Bergman Type Operators. Complex Anal. Oper. Theory 18, 5 (2024). https://doi.org/10.1007/s11785-023-01419-8
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DOI: https://doi.org/10.1007/s11785-023-01419-8