# Roman ring

> configuration of wormholes where no subset of wormholes is near to chronology violation, though the combined system can be arbitrarily close to chronology violation

**Wikidata**: [Q618282](https://www.wikidata.org/wiki/Q618282)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Roman_ring)  
**Source**: https://4ort.xyz/entity/roman-ring