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Seminários do IMPA

Física Matemática

Geometric Stacks and Groupoids
Joel Villatoro

U. Ilinois at Urbana-Champaign
Terça-feira, 22 de maio de 2018, 17:00
Sala 236

This talk will survey some folklore theorems about the interaction between the theory of Lie groupoids and geometric stacks on the site of smooth manifolds. To do this, a more general theorem about the relationship between geometric stacks on a site and internal groupoids will be discussed. I will show how considering alternative sites can be applied to studying Morita equivalences of Lie groupoids equipped with additional geometry.