Harvard-MIT Algebraic Geometry Seminar

Tuesday, October 01, 2019 at 3:00pm to 4:00pm


Tony Pantev (University of Pennsylvania)

Title: The pushforward theorem and its applications

Abstract: I will discuss the notion of a relative shifted symplectic structure along the stalks of a constructible sheaf of derived stacks on a stratified space. I will describe a general push forward theorem producing relative shifted symplectic forms and will explain explicit techniques for computing such forms. As an application I will describe a universal construction of Poisson structures on derived moduli of Stokes data on smooth varieties and will explain how symplectic leaves arise from fixing irregular types and local formal monodromies at infinity. This is a joint work with Dima Arinkin and Bertrand Toen.

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