Cyclage, catabolism, and the affine Hecke algebra

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Cyclage, Catabolism, and the Affine Hecke Algebra

We identify a subalgebra Ĥ + n of the extended affine Hecke algebra Ĥn of type A. The subalgebra Ĥ + n is a u-analogue of the monoid algebra of Sn⋉Z n ≥0 and inherits a canonical basis from that of Ĥn. We show that its left cells are naturally labeled by tableaux filled with positive integer entries having distinct residues mod n, which we term positive affine tableaux (PAT). We then exhibit a ...

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ژورنال

عنوان ژورنال: Advances in Mathematics

سال: 2011

ISSN: 0001-8708

DOI: 10.1016/j.aim.2011.07.006