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Oberseminar WiSe 2010/11 Zusammenfassung des Vortrags von Sebastian Krug

Orbifold Cohomology of M1,n and R1,n

I will talk about Nicola Pagani's computation of the orbifold cohomology of M1,n, the moduli space of stable genus 1 curves with n marked points, and I will explain how one can use his methods to compute the same cohomology for R1,n, the moduli space of genus 1 Prym-curves with n marked points.