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Factorizable sheaves and quantum groups

Roman Bezrukavnikov, Michael Finkelberg, Vadim Schechtman

q-algarXiv:q-alg/9712001

Abstract

The category C (studied by Andersen-Jantzen-Soergel) of representations of a Lusztig's small quantum group at a root of unity, together with its modular structure, is defined geometrically, using configuration spaces.

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