Harvard-MIT Algebraic Geometry Seminar

Tuesday, November 30, 2021 at 3:00pm to 4:00pm

Harvard Science Center, SC-507 1 Oxford St, Cambridge, MA 02138

Featured Speaker: Dori Bejleri (Harvard)

Title: Wall crossing for moduli of stable log varieties.

Stable log varieties or stable pairs (X,D) are the higher dimensional generalization of pointed stable curves. They form proper moduli spaces which compactify the moduli space of normal crossings, or more generally klt, pairs. These stable pairs compactifications depend on a choice of parameters, namely the coefficients of the boundary divisor D. In this talk, after introducing the theory of stable log varieties, I will explain the wall-crossing behavior that governs how these compactifications change as one varies the coefficients. I will also discuss some examples and applications. This is joint work with Kenny Ascher, Giovanni Inchiostro, and Zsolt Patakfalvi. 

Zoom info available upon request.

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