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This tag is used if a reference is needed in a paper or textbook on a specific result.

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Hyperelliptic locus is a $K(\pi,1)$

It is said in many papers that the hyperelliptic locus $\mathcal{H}_g\subseteq \mathcal{M}_g$ is a $K(\pi,1)$. (in the sense of orbifolds). This is justified by saying that it can be constructed as an …