中科院数学与系统科学研究院

数学研究所

 

代数几何研讨班

 

 

 

报告人:Prof.  Gwyn BellamyUniversity of Glasgow

 Resolutions of symplectic quotient singularities

  2019.03.19(星期二),14:00-15:00

  点:数学院南楼N913

 要:In this talk I will explain how one can explicitly construct all crepant resolutions of the symplectic quotient singularities associated to wreath product groups. The resolutions are all given by Nakajima quiver varieties. In order to prove that all resolutions are obtained this way, one needs to describe what happens to the geometry as one crosses the walls inside the GIT parameter space for these quiver varieties. This is based on joint work with Alistair Craw.

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