Séminaire de Mathématique

Derived intersections : old and new

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

Amphithéâtre Léon Motchane (IHES)

Amphithéâtre Léon Motchane


Le Bois Marie 35, route de Chartres 91440 Bures-sur-Yvette

« Return of the IHÉS Postdoc Seminar »


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.

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