Derived intersections : old and new

par Prof. Julien GRIVAUX (Institut de Mathématiques de Marseille & IHÉS)

mercredi 2 déc. 2015, 16:45 → 17:45 Europe/Paris

Amphithéâtre Léon Motchane (IHES)

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Abstract: In this talk, we will recall the theory of generalized HKR isomorphisms, due to Arinkin and Cāldāraru. Then we will explain how deformation theory allows us to describe arbitrary first order derived intersections.