A remark on the rational cohomology of S_1,n

2008/06/09 by Bini, Gilberto, Fontanari, Claudio
#Algebraic Geometry (math.AG) #FOS: Mathematics

paper · doi:10.48550/arxiv.0806.1401

Abstract

We focus on the rational cohomology of Cornalba's moduli space of spin curves of genus 1 with n marked points. In particular, we show that both its first and its third cohomology group vanish and the second cohomology group is generated by boundary classes.

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