The generalized Harish-Chandra homomorphism for Hecke algebras of real reductive Lie groups
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60503798-MIT.pdf
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Author(s)
Bernhardt, Karen, 1977-
Advisor(s)
David Vogan.
Date Issued
2005
Publisher
Massachusetts Institute of Technology
Abstract
For complex reductive Lie algebras g, the classical Harish-Chandra homomorphism allows to link irreducible finite dimensional representations of g to those of certain subalgebras l. The Casselman-Osborne theorem establishes an extension of this link to infinite dimensional irreducible representations. In this paper we present a generalized Harish-Chandra homomorphism construction for Hecke algebras, and establish the corresponding generalized Casselman-Osborne theorem. This homomorphism can be used to link representations of (g, L n K)-pairs to those of (g, L n K)-pairs, where is a certain subalgebra of g as in the classical case. Since representations of such pairs are closely related to those of the underlying Lie group G, this construction is a good first approximation to lifting the Harish-Chandra homomorphism from the Lie algebra to the Lie group level.
Description
Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Mathematics, 2005.
Includes bibliographical references (p. 73-74).
Subjects
Mathematics.
MIT Department
Massachusetts Institute of Technology. Department of Mathematics
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