Higher structures of embeddings of varietiesMPIM

by Alexander Vitanov (MPIM/IHES)

Monday Jun 2, 2025, 2:00 PM → 2:15 PM Europe/Berlin

MPIM, Vivatsgasse, 7 - Lecture Hall (Max Planck Institute for Mathematics)

MPI-Topology Seminar

 

I explain a joint work in progress with Damien Calaque aimed at globalizing a local formality result by Calaque-Felder-Ferrario-Rossi, by means of which certain isomorphisms between Ext-algebras of embeddings of varieties can be derived from quasi-isomorphism of A∞A∞​-deformations.