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Sites and sheaves on sites

Speaker: 
Alessandro Nobile
Schedule: 
Friday, February 4, 2022 - 16:30
Location: 
A-136
Abstract: 

This is the second talk in the series of seminars about thetheory of stacks in algebraic geometry.In this talk I will introduce andmotivate the notion of Grothendieck topologies on a category and giveexamples. I will then discuss the notion of sheaves on sites. We will coverparagraph 2.3 of Vistoli’s notes.

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