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Coherent sheaves and quantum Coulomb branches I: tilting bundles from integrable systems

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arxiv 1905.04623 v3 pith:EMBA434A submitted 2019-05-12 math.AG math.RT

classification math.AGmath.RT
keywords branchescoherentcoulombsheavescategoriestiltingappliedapproach
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In this paper, we consider how the approach of Bezrukavnikov and Kaledin to understanding the categories of coherent sheaves on symplectic resolutions can be applied to the Coulomb branches introduced by Braverman, Finkelberg and Nakajima. In particular, we construct tilting generators on resolved Coulomb branches, and give explicit quiver presentations of categories of coherent sheaves on these varieties, with the wall-crossing functors described by natural bimodules.

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