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Presented By: Department of Mathematics

Student Geometry/Topology Seminar

Retracting the moduli space of curves

In this talk I will present Harer's mapping-class-group-equivariant spine of the Teichmueller space of a punctured surface. From this it follows that the rational Betti numbers of the moduli space of the surface start to vanish in degrees far lower than the topological dimension. Speaker(s): Bradley Zykoski (UM)

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