# Mathematical Sciences Research Institute

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# Seminar

DAG Seminar: Equivariant techniques in derived algebraic geometry February 12, 2019 (01:30 PM PST - 02:30 PM PST)
Parent Program: Derived Algebraic Geometry MSRI: Simons Auditorium
Speaker(s) Michael Hill (University of California, Los Angeles)
Description No Description
Video
If we have a sheaf of commutative ring spectra on $X$ and we have an action of $G$ on $X$ in a compatible way, then we have a natural action on the sheaf. In particular, there is a natural action of $G$ on the global sections. In this talk, I’ll describe how keeping track of the equivariance (in a derived sense) gives us a suite of tools that can both make computations easier and can explain some otherwise puzzling features.