---
date: 2022-04-03 21:13
modification date: Sunday 3rd April 2022 21:13:12
title: "Stiefel-Whitney class"
aliases: [Stiefel-Whitney classes, Stiefel-Whitney]

---

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


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- Tags 
	- #todo/untagged
- Refs:
	- #todo/add-references
- Links:
	- [characteristic class](Unsorted/characteristic%20class.md)

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# Stiefel-Whitney class

![](attachments/Pasted%20image%2020220403211321.png)

![](attachments/Pasted%20image%2020220508182021.png)
![](attachments/Pasted%20image%2020220508182035.png)

# Wu Formula

![](attachments/Pasted%20image%2020220508182112.png)