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math.RT2017★ 15 cited
Metaplectic Covers of Kac-Moody Groups and Whittaker Functions
Manish Patnaik, Anna Puskás
Starting from some linear algebraic data (a Weyl-group invariant bilinear form) and some arithmetic data (a bilinear Steinberg symbol), we construct a cover of a Kac-Moody group ge…
math.RT2015★ 16 cited
On Iwahori-Whittaker Functions for Metaplectic Groups
Manish M. Patnaik, Anna Puskás
We relate Iwahori-Whittaker functions on metaplectic covers to certain Demazure-Lusztig operators, the latter of which are built from a Weyl group action previously considered by G…