Metaplectic Whittaker Functions and Crystals of Type B
Identifieur interne : 000166 ( Main/Exploration ); précédent : 000165; suivant : 000167Metaplectic Whittaker Functions and Crystals of Type B
Auteurs : Ben Brubaker [États-Unis] ; Daniel Bump [États-Unis] ; Gautam Chinta [États-Unis] ; Paul E. Gunnells [États-Unis]Source :
- Progress in Mathematics ; 2012.
Abstract
Abstract: The spherical metaplectic Whittaker function on the double cover of Sp (2r, F), where F is a nonarchimedean local field, is considered from several different points of view. Previously, an expression, similar to the Casselman–Shalika formula, had been given by Bump, Friedberg, and Hoffstein as a sum is over the Weyl group. It is shown that this coincides with the expression for the p-parts of Weyl group multiple Dirichlet series of type B r as defined by the averaging method of Chinta and Gunnells. Two conjectural expressions as sums over crystals of type B are given and another as the partition function of a free-fermionic six-vertex model system.
Url:
DOI: 10.1007/978-0-8176-8334-4_4
Affiliations:
- États-Unis
- Californie, Massachusetts, État de New York
- Amherst (Massachusetts)
- Université du Massachusetts
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<front><div type="abstract" xml:lang="en">Abstract: The spherical metaplectic Whittaker function on the double cover of Sp (2r, F), where F is a nonarchimedean local field, is considered from several different points of view. Previously, an expression, similar to the Casselman–Shalika formula, had been given by Bump, Friedberg, and Hoffstein as a sum is over the Weyl group. It is shown that this coincides with the expression for the p-parts of Weyl group multiple Dirichlet series of type B r as defined by the averaging method of Chinta and Gunnells. Two conjectural expressions as sums over crystals of type B are given and another as the partition function of a free-fermionic six-vertex model system.</div>
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