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Representation Theory
Representation Theory
ISSN 1088-4165

 

Constructible characters, leading coefficients and left cells for finite Coxeter groups with unequal parameters


Author: Meinolf Geck
Journal: Represent. Theory 6 (2002), 1-30
MSC (2000): Primary 20C08; Secondary 20C15
Published electronically: March 27, 2002
MathSciNet review: 1915085
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Abstract: Following Lusztig, we investigate constructible characters, leading coefficients and left cells for a finite Coxeter group $W$ in the case of unequal parameters. We obtain explicit results for $W$ of type $F_4$, $B_n$ and $I_2(m)$ ($m$ even) which support Lusztig's conjecture that known results about left cells in the equal parameter case should remain valid in the case of unequal parameters.


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Additional Information

Meinolf Geck
Affiliation: Institut Girard Desargues, bat. Jean Braconnier, Université Lyon 1, 21 av Claude Bernard, F–69622 Villeurbanne Cedex, France
Email: geck@desargues.univ-lyon1.fr

DOI: http://dx.doi.org/10.1090/S1088-4165-02-00128-0
PII: S 1088-4165(02)00128-0
Received by editor(s): June 8, 2001
Received by editor(s) in revised form: November 7, 2001
Published electronically: March 27, 2002
Article copyright: © Copyright 2002 American Mathematical Society