# b-coloring

> proper coloring of graph vertices where each color class has a vertex with a neighbor in all other color classes

**Wikidata**: [Q23540986](https://www.wikidata.org/wiki/Q23540986)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/B-coloring)  
**Source**: https://4ort.xyz/entity/b-coloring