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Home » AT Research Seminar Pre-Talk: Introduction to string topology and to combinatorial models for the moduli space of Riemann surfaces

Seminar

AT Research Seminar Pre-Talk: Introduction to string topology and to combinatorial models for the moduli space of Riemann surfaces April 03, 2014 (11:00 AM PDT - 12:00 PM PDT)
Parent Program: Algebraic Topology
Location: MSRI: Simons Auditorium
Speaker(s) Nathalie Wahl (University of Copenhagen)
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Abstract/Media

String topology started 15 years ago with the Chas-Sullivan product, a product defined on the homology of the free loop space of a manifold.

Their construction has since been generalized to large collections of operations on such loop spaces parametrized by the homology of the moduli space of Riemann surfaces, giving so-called homological conformal field theories.

The constructions use combinatorial models of the moduli space. In this pre-talk, I'll give an introduction to string topology and to these combinatorial models.

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