The twisted Satake isomorphism and Casselman-Shalika formula

Research output: Working paper/PreprintPreprint

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Abstract

For an arbitrary split adjoint group we identify the unramified Whittaker space with the space of skew-invariant functions on the lattice of coweights and deduce from it the Casselman-Shalika formula.
Original languageEnglish GB
StatePublished - 2013

Publication series

NamearXiv preprint

Keywords

  • Mathematics - Representation Theory
  • 22E50

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