# Einstein manifold

> Riemannian or pseudo-Riemannian differentiable manifold whose Ricci tensor is proportional to the metric

**Wikidata**: [Q1309313](https://www.wikidata.org/wiki/Q1309313)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Einstein_manifold)  
**Source**: https://4ort.xyz/entity/einstein-manifold


## References

1. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)