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Transactions of the American Mathematical Society
Transactions of the American Mathematical Society
ISSN 1088-6850(online) ISSN 0002-9947(print)


Classification of one $\textsf{K}$-type representations

Authors: Dan Barbasch and Allen Moy
Journal: Trans. Amer. Math. Soc. 351 (1999), 4245-4261
MSC (1991): Primary 22E50; Secondary 20G05
Published electronically: June 29, 1999
MathSciNet review: 1473430
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Abstract | References | Similar Articles | Additional Information

Abstract: Suppose $G$ is a simple reductive $p$-adic group with Weyl group $W$. We give a classification of the irreducible representations of $W$ which can be extended to real hermitian representations of the associated graded Hecke algebra $\mathbb{H}$. Such representations correspond to unitary representations of $G$ which have a small spectrum when restricted to an Iwahori subgroup.

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Additional Information

Dan Barbasch
Affiliation: Department of Mathematics, Cornell University, Ithaca, New York 14853

Allen Moy
Affiliation: Department of Mathematics, University of Michigan, Ann Arbor, Michigan 48109

PII: S 0002-9947(99)02171-6
Received by editor(s): July 1, 1996
Received by editor(s) in revised form: June 23, 1997
Published electronically: June 29, 1999
Additional Notes: The authors were supported in part by NSF grants DMS–9401176 and DMS–9500973
Article copyright: © Copyright 1999 American Mathematical Society

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