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math.RT2025
Unipotent representations: changing q to -q, II
P. Deligne, G. Lusztig
Consider a Chevalley group over a finite field F_q such that the longest element in the Weyl group is central. In this paper we study the effect of changing q to -q in the polynomi…
math.RT2025
Unipotent representations: changing q to -q
P. Deligne, G. Lusztig
Consider a Chevalley group over a finite field such that the longest element of the Weyl group is central. We construct an involution of the set of unipotent re…
math.RT2006★ 1 cited
Spherical varieties and Langlands duality
D. Gaitsgory, D. Nadler
Let G be a connected reductive complex algebraic group. This paper is devoted to the space Z of meromorphic quasimaps from a curve into an affine spherical G-variety X. The space Z…