# Bernstein's theorem

> in approximation theory, a converse to Jackson's theorem

**Wikidata**: [Q4894565](https://www.wikidata.org/wiki/Q4894565)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Bernstein's_theorem_(approximation_theory))  
**Source**: https://4ort.xyz/entity/bernstein-s-theorem