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arxiv: math/0504267 · v3 · submitted 2005-04-13 · 🧮 math.RT · math.QA

Crystal graphs of higher level q-deformed Fock spaces, Lusztig a-values and Ariki-Koike algebras

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keywords algebrasariki-koikecrystaldifferentlabelingslusztigmodulesa-values
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We show that the different labelings of the crystal graph for irreducible highest weight $\mathcal{U}\_q (\hat{\mathfrak{sl}}\_e)$-modules lead to different labelings of the simple modules for non semisimple Ariki-Koike algebras by using Lusztig $a$-values.

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