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On the restriction of Deligne-Lusztig characters
Author(s):
Mark
Reeder
Journal:
J. Amer. Math. Soc.
20
(2007),
573-602.
MSC (2000):
Primary 20C33
Posted:
July 14, 2006
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Abstract:
We study the multiplicities of Deligne-Lusztig characters upon restriction from a finite reductive group to a finite reductive subgroup. The result is a qualitative formula for the growth of multiplicities in terms of complexity. For restrictions from to we get exact multiplicities.
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Additional Information:
Mark
Reeder
Affiliation:
Department of Mathematics, Boston College, Chestnut Hill, Massachusetts 02467
Email:
reederma@bc.edu
DOI:
10.1090/S0894-0347-06-00540-6
PII:
S 0894-0347(06)00540-6
Received by editor(s):
June 17, 2005
Posted:
July 14, 2006
Additional Notes:
The author was supported by NSF grant DMS-0207231
Copyright of article:
Copyright
2006,
American Mathematical Society
The copyright for this article reverts to public domain after 28 years from publication.
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