# principal curvature

> at a given point of a surface, one of the two eigenvalues of the shape operator at the point

**Wikidata**: [Q1589551](https://www.wikidata.org/wiki/Q1589551)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Principal_curvature)  
**Source**: https://4ort.xyz/entity/principal-curvature


## References

1. Freebase Data Dumps. 2013
2. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)