# Petrov classification

> classification of the possible algebraic symmetries of the Weyl tensor at each point in a Lorentzian manifold

**Wikidata**: [Q4223027](https://www.wikidata.org/wiki/Q4223027)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Petrov_classification)  
**Source**: https://4ort.xyz/entity/petrov-classification