Type: Seminar

Modified: Tue 17 Sep 2019 1054

Distribution: World

CalTitle1: Cliff - An introduction to sheaves on stacks

Auth: romanova@203.54.36.254 (arom8272) in SMS-SAML

We will review/learn the definition of a stack, and practice with examples, including quotient stacks. Then we will discuss how to define sheaves on stacks (both ordinary and dg versions), and will unwind the definitions in our quotient stack examples to recover the notion of equivariant sheaves on varieties with G-action. (For example, when the variety is a point with the trivial G-action, these are just representations of G.)