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Hecke-Clifford superalgebras, crystals of type $A_{2\ell}^{(2)}$ and modular branching rules for $\widehat{S}_n$

Author(s): Jonathan Brundan; Alexander Kleshchev
Journal: Represent. Theory 5 (2001), 317-403.
MSC (2000): Primary 17B67, 20C08, 20C20, 17B10, 17B37
Posted: October 24, 2001
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Abstract: This paper is concerned with the modular representation theory of the affine Hecke-Clifford superalgebra, the cyclotomic Hecke-Clifford superalgebras, and projective representations of the symmetric group. Our approach exploits crystal graphs of affine Kac-Moody algebras.

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Additional Information:

Jonathan Brundan
Affiliation: Department of Mathematics, University of Oregon, Eugene, Oregon 97403
Email: brundan@darkwing.uoregon.edu

Alexander Kleshchev
Affiliation: Department of Mathematics, University of Oregon, Eugene, Oregon 97403
Email: klesh@math.uoregon.edu

DOI: 10.1090/S1088-4165-01-00123-6
PII: S 1088-4165(01)00123-6
Received by editor(s): March 9, 2001
Received by editor(s) in revised form: August 15, 2001
Posted: October 24, 2001
Additional Notes: Both authors were partially supported by the NSF (grant nos DMS-9801442 and DMS-9900134)
Copyright of article: Copyright 2001, American Mathematical Society

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