# Stiefel–Whitney class

> set of topological invariants

**Wikidata**: [Q1293273](https://www.wikidata.org/wiki/Q1293273)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Stiefel–Whitney_class)  
**Source**: https://4ort.xyz/entity/stiefel-whitney-class


## References

1. Freebase Data Dumps. 2013