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Proceedings of the American Mathematical Society
Proceedings of the American Mathematical Society
ISSN 1088-6826(online) ISSN 0002-9939(print)


Subnormal semigroups of composition operators

Author: José Giménez
Journal: Proc. Amer. Math. Soc. 133 (2005), 1749-1756
MSC (2000): Primary 47B33; Secondary 47A13, 47B20
Published electronically: December 31, 2004
MathSciNet review: 2120274
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Abstract | References | Similar Articles | Additional Information

Abstract: In this article we describe a model for subnormal semigroups of composition operators (with linear fractional symbol) acting on the Hardy space $H^2$. We also discuss cyclicity of such semigroups in the context of more general results studied by J. H. Shapiro and P. S. Bourdon.

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Additional Information

José Giménez
Affiliation: Departamento de Matemáticas, Facultad de Ciencias, Universidad de Los Andes, Mérida, Venezuela

PII: S 0002-9939(04)07686-5
Received by editor(s): November 8, 2002
Received by editor(s) in revised form: February 17, 2004
Published electronically: December 31, 2004
Additional Notes: This paper is based on some parts of the author’s doctoral dissertation at the University of Iowa, written under the supervision of Professor Raúl Curto. The author has been partially supported by C.D.C.H.T. of the Universidad de Los Andes, project C - 1081-01- 05 - B
Communicated by: Joseph A. Ball
Article copyright: © Copyright 2004 American Mathematical Society

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