# Krein–Rutman theorem

> a generalization of the [[Perron–Frobenius theorem]] to not-necessarily-finite-dimensional Banach spaces

**Wikidata**: [Q6436614](https://www.wikidata.org/wiki/Q6436614)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Krein–Rutman_theorem)  
**Source**: https://4ort.xyz/entity/krein-rutman-theorem