# Koszul duality

> duality between quadratic algebras or, more generally, between quadratic operads

**Wikidata**: [Q16981474](https://www.wikidata.org/wiki/Q16981474)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Koszul_duality)  
**Source**: https://4ort.xyz/entity/koszul-duality