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


An orthogonal family of polynomials
on the generalized unit disk
and ladder representations of $U(p,q)$

Author: John D. Lorch
Journal: Proc. Amer. Math. Soc. 126 (1998), 3755-3762
MSC (1991): Primary 22E45, 22E70; Secondary 32L25, 32M15, 58G05, 81R05, 81R25
MathSciNet review: 1458255
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Abstract | References | Similar Articles | Additional Information

Abstract: Inner product structures are given for realizations of the positive spin ladder representations over the generalized unit disk ${\bf D}_{p,q} =U(p,q)/K$. This is accomplished by combining previous results of the author with the construction of a family of holomorphic polynomials on ${\bf D}_{p,q}$. These polynomials, which play a crucial role in the present work, are shown to be orthogonal with respect to Lebesgue measure, and their norms are computed. The orthogonal family is then used to invert a certain integral transform, giving the desired inner product structures.

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Additional Information

PII: S 0002-9939(98)04506-7
Keywords: Ladder representations, unitary structures, Penrose transform, generalized unit disk
Received by editor(s): January 2, 1997
Received by editor(s) in revised form: April 28, 1997
Communicated by: Roe Goodman
Article copyright: © Copyright 1998 American Mathematical Society

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