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
DOI:
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发表时间:
2009
期刊:
影响因子:
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通讯作者:
Peter J. McNamara
中科院分区:
文献类型:
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作者:
Peter J. McNamara
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.