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arxiv: 1506.03609 · v2 · pith:SC57LAIEnew · submitted 2015-06-11 · 🧮 math.RT

Quiver varieties and Hall algebras

classification 🧮 math.RT
keywords geometricgrouphallquantumalgebraalgebraicalgebrasallow
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In this paper we give a geometric construction of the quantum group Ut(G) using Nakajima categories, which were developed in [29]. Our methods allow us to establish a direct connection between the algebraic realization of the quantum group as Hall algebra by Bridgeland [1] and its geometric counterpart by Qin [24].

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