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The Residual Spectrum of G2

Published online by Cambridge University Press:  20 November 2018

Henry H. Kim
Henry H. Kim*
Affiliation:
Dept. of Math., Southern Illinois University, Carbondale, IL 62901 e-mail: henrykim@math.siu.edu
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Abstract

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We completely determine the residual spectrum of the split exceptional group of type G2, thus completing the work of Langlands and Moeglin-Waldspurger on the part of the residual spectrum attached to the trivial character of the maximal torus. We also give the Arthur parameters for the residual spectrum coming from Borel subgroups. The interpretation in terms of Arthur parameters explains the “bizarre” multiplicity condition in Moeglin-Waldspurger's work. It is related to the fact that the component group of the Arthur parameter is non-abelian.

Keywords

11F7022E55
Type
Research Article
Information
Canadian Journal of Mathematics , Volume 48 , Issue 6 , 01 December 1996 , pp. 1245 - 1272
Copyright
Copyright © Canadian Mathematical Society 1996

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