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arXiv · 2208.00556

The integral Chow rings of the stacks of hyperelliptic Weierstrass points

Dan Edidin·Zhengning Hu
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Abstract

We compute the integral Chow rings of the stacks ${\mathcal H}_{g,n}^w$ parametrizing hyperelliptic curves with $n$ marked Weierstrass points. We prove that the integral Chow rings of each of these stacks is generated as an algebra by any of the $\Psi$-classes and that all relations live in degree one.

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Dan Edidin, Zhengning Hu. 2022-08-01. The integral Chow rings of the stacks of hyperelliptic Weierstrass points. https://arxiv.org/abs/2208.00556

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