On the derivatives of the Berezin transform |
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Authors: | Miroslav Englis Genkai Zhang |
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Institution: | Mathematics Institute, Academy of Sciences of the Czech Republic, Zitná 25, 11567 Praha 1, Czech Republic ; Chalmers Tekniska Högskola/Göteborgs Universitet, 412 96 Göteborg, Sweden |
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Abstract: | Improving upon a recent result of L. Coburn and J. Xia, we show that for any bounded linear operator on the Segal-Bargmann space, the Berezin transform of is a function whose partial derivatives of all orders are bounded. Similarly, if is a bounded operator on any one of the usual weighted Bergman spaces on a bounded symmetric domain, then the appropriately defined ``invariant derivatives' of any order of the Berezin transform of are bounded. Further generalizations are also discussed. |
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Keywords: | Bergman kernel Berezin transform bounded symmetric domain invariant differential operator |
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