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Proceedings of the American Mathematical Society
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Leibenzon's backward shift and composition operators

Author(s): Evgueni Doubtsov
Journal: Proc. Amer. Math. Soc. 129 (2001), 3495-3499.
MSC (2000): Primary 47B38
Posted: July 10, 2001
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Abstract | References | Similar articles | Additional information

Abstract:

We apply Leibenzon's backward shift to show that the composition operator on the unit ball of $\mathbb{C}^n$ always maps the weighted Hardy space $H^2_{1-n}$ into the Hardy class $H^2$.


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J.A. Cima and P.R. Mercer, Composition operators between Bergman spaces on convex domains in $\mathbb{C}^n$, J. Operator Theory 33 (1995), 363-369. MR 96h:47036

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G.M. Henkin, Approximation of functions on pseudoconvex domains and Leibenzon's theorem, Bull. Acad. Polon. Sci. Sér. Sci. Math. Astronom. Phys. 19 (1971), 37-42. MR 44:4234

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B.D. MacCluer, Compact composition operators on $H\sp p(B\sb N)$, Michigan Math. J. 32 (1985), 237-248. MR 86g:47037

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B.D. MacCluer and P.R. Mercer, Composition operators between Hardy and weighted Bergman spaces on convex domains in $\mathbb{C}^n$, Proc. Amer. Math. Soc. 123 (1995), 2093-2102. MR 95i:47060

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J.H. Shapiro, Composition operators and classical function theory,

Springer-Verlag, New York, 1993. MR 94k:47049


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Additional Information:

Evgueni Doubtsov
Affiliation: Department of Mathematics, Michigan State University, East Lansing, Michigan 48824
Address at time of publication: ul. Partizana Germana 14/117, kv. 335, 198205 St. Petersburg, Russia
Email: ed@ED8307.spb.edu

DOI: 10.1090/S0002-9939-01-06325-0
PII: S 0002-9939(01)06325-0
Keywords: Composition operator, Leibenzon's backward shift
Received by editor(s): March 1, 1999
Posted: July 10, 2001
Communicated by: David R. Larson
Copyright of article: Copyright 2001, American Mathematical Society


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