---
date: 2022-03-20 04:04
modification date: Friday 1st April 2022 00:37:30
title: "skeleta"
aliases: [skeleta, skeletal, skeletal map, cellular map]

---

Last modified date: <%+ tp.file.last_modified_date() %>


---

- Tags 
	- #cats 
- Refs:
	- <https://hal.archives-ouvertes.fr/hal-02184208/document> #resources/notes 
- Links:
	- [category theory](Unsorted/modern%20category%20theory.md)

---

# skeleta

![](attachments/Pasted%20image%2020220401003732.png)

![](attachments/Pasted%20image%2020220320040404.png)

![](attachments/Pasted%20image%2020220401003816.png)
![](attachments/Pasted%20image%2020220401003826.png)


Equivalent but non-isomorphic categories:
![](attachments/Pasted%20image%2020220401003850.png)
![](attachments/Pasted%20image%2020220401003911.png)

# In homotopy

![](attachments/Pasted%20image%2020220401210117.png)

![](attachments/Pasted%20image%2020220401210143.png)