# Poincaré metric

> metric tensor describing constant negative (hyperbolic) curvature

**Wikidata**: [Q377798](https://www.wikidata.org/wiki/Q377798)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Poincaré_metric)  
**Source**: https://4ort.xyz/entity/poincar-metric


## References

1. Freebase Data Dumps. 2013