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Shedule -


Yu Min - 15h30 - Derived Galois deformation ring

15-25 502

Abstract:Mazur's Galois deformation theory plays an essential role in modularity lifting questions. Recently, Galatius and Venkatesh has constructed a derived version of Galois deformation ring. They have shown that under some standard conjectures, the homotopy algebra of this derived Galois deformation ring has a natural action on the homology of arithmetic groups. In this talk, we will give a short introduction to their work with some motivations explained.