Metaplectic Whittaker functions and crystal bases

Metaplectic Whittaker functions and crystal bases
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Metaplectic Whittaker 函数和晶体基底

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发表时间:
2009
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通讯作者:
Peter J. McNamara
Peter J. McNamara
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文献类型:
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作者:
Peter J. McNamara

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研究了非阿基米德局部域上单代数群的非线性覆盖上的Whittaker函数。我们产生一个配方表示这样的惠特克函数作为一个加权和的晶体图,并表明,在类型A,这些表达式同意与已知的公式的素数功率支持系数的多个狄利克雷级数。
We study Whittaker functions on nonlinear coverings of simple algebraic groups over a nonarchimedean local field. We produce a recipe for expressing such a Whittaker function as a weighted sum over a crystal graph and show that in type A, these expressions agree with known formulae for the prime-power-supported coefficients of multiple Dirichlet series.