# A complexity theory for hard enumeration problems

> Research article (Discrete Applied Mathematics, 2019) · cited 28× · AI/ML

**Wikidata**: [openalex:W2766363310](https://www.wikidata.org/wiki/openalex:W2766363310)  
**Source**: https://4ort.xyz/entity/a-complexity-theory-for-hard-enumeration-problems
