# Simple and maximally robust processes with no classical common-cause or direct-cause explanation

> Research article (Quantum, 2021) · cited 20× · AI/ML

**Wikidata**: [openalex:W3125731543](https://www.wikidata.org/wiki/openalex:W3125731543)  
**Source**: https://4ort.xyz/entity/simple-and-maximally-robust-processes-with-no-classical-common-cause-or-direct-cause-explanation