# Cohn-Vossen's inequality

> inequality relating Gaussian curvature to Euler characteristic of a non-compact surface

**Wikidata**: [Q17005376](https://www.wikidata.org/wiki/Q17005376)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Cohn-Vossen's_inequality)  
**Source**: https://4ort.xyz/entity/cohn-vossen-s-inequality