---
date: 2022-02-13 02:02
modification date: Sunday 13th February 2022 02:02:26
title: orbifold fundamental group
aliases: [virtual surface group, nodal Riemann surface]

---

Tags: 
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Refs:
[orbifold](orbifold.md)
[moduli space of curves](Unsorted/moduli%20stack%20of%20elliptic%20curves.md)

# orbifold fundamental group

![](attachments/Pasted%20image%2020220213020214.png)
![](attachments/Pasted%20image%2020220213021136.png)
![](attachments/Pasted%20image%2020220213142728.png)
![](attachments/Pasted%20image%2020220213160049.png)