A remark on the rational cohomology of $\bar{S}_{1,n}$

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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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Algebraic Geometry

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http://salesiana.dossiersoluciones.com/handle/123456789/162524

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0806.1401
 http://arxiv.org/abs/0806.1401

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arXiv