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arXiv:0712.0231 [math.RT]AbstractReferencesReviewsResources

Product formulas for the cyclotomic v-Schur algebra and for the canonical bases of the Fock space

Toshiaki Shoji, Kentaro Wada

Published 2007-12-03Version 1

In our earlier work, we have proved a product formula for certain decomposition numbers of the cyclotomic v-Schur algebra associated to the Ariki-Koike algebra. It is conjectured by Yvonne that the decomposition numbers of this algebra can be described in terms of the canonical basis of the higher level Fock space studied by Uglov. In this paper we prove a product formula related to the canonical basis of the Fock space. In view of Yvonne's conjecture, this formula is regarded as a counter-part for the Fock space of our previous formula.

Comments: 24 pages
Categories: math.RT, math.QA
Subjects: 17B37, 20C08
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