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Gurbir Dhillon – Geometric Methods in Representation Theory Seminar
November 22, 2019 @ 4:15 pm - 5:15 pm
Title: The tamely ramified Fundamental Local Equivalence
Abstract: Let G be an almost simple algebraic group with Langlands dual G’. Gaitsgory conjectured that affine Category O for G at a noncritical level should be equivalent to Whittaker D-modules on the affine flag variety of G’ at the dual level. We will provide motivation and background for this conjecture, which is some form of geometric Satake for quantum groups. We have proven this conjecture when the level is appropriately integral with Justin Campbell, and the general case is work in progress with Sam Raskin.