Monday, October 2, 2017
4:00 pm
Building 15, Room 104 – Building 15

Algebra and Geometry Seminar

Topology of moduli spaces of tropical curves
Sam Payne, Mathematics Department, Yale University

The top weight cohomology of the moduli space of algebraic curves is naturally identified (with a degree shift) with the reduced rational homology of a moduli space of stable tropical curves. I will discuss the structure of this tropical moduli space and applications to computing new cohomology classes on M_g, based on recent joint work with M. Chan and S. Galatius.

Contact Mathematics Department mathinfo@caltech.edu at 626-395-4335
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