# Borel–de Siebenthal theory

> theory describing maximal-rank compact subgroups of Lie groups

**Wikidata**: [Q17003628](https://www.wikidata.org/wiki/Q17003628)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Borel–de_Siebenthal_theory)  
**Source**: https://4ort.xyz/entity/borel-de-siebenthal-theory