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math.RT2004★ 2 cited
Quiver varieties and Lusztig's algebra
Anton Malkin, Victor Ostrik, Maxim Vybornov
We study preprojective algebras of graphs and their relationship to module categories over representations of quantum SL(2). As an application, ADE quiver varieties of Nakajima are…
math.RT2003
A remark on cuspidal local systems
Victor Ostrik
In this note we show that all reductive groups are clean in odd characteristic. In characteristic 2 there are two cuspidal local systems (one for and one for ) which can…
math.RT2001
On tensor categories attached to cells in affine Weyl groups II
Roman Bezrukavnikov, Viktor Ostrik
George Lusztig conjectured that asymptotic affine Hecke algebra of a simply connected group can be explicitly described in terms of convolution algebras. Main Theorem of this note…