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Topology and Geometry Seminar

Location: CL 251

Speaker: Martin Frankland, University of Regina

Title: What Is a Formal Moduli Problem?

Abstract:  

In Manak's talk, we learned what a deformation functor is. We will explore this notion more in depth and look at some examples. Deformation functors allow us to make the idea of a "formal moduli problem" more precise. Time permitting, we will discuss Schlessinger's theorem, giving conditions for a deformation functor to be well approximated by a pro-representable one.