# Pierce–Birkhoff conjecture

> conjecture in abstract algebra that any piecewise-polynomial function is expressible as the maximum of finite minima of finite collections of polynomials

**Wikidata**: [Q7191856](https://www.wikidata.org/wiki/Q7191856)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Pierce–Birkhoff_conjecture)  
**Source**: https://4ort.xyz/entity/pierce-birkhoff-conjecture