# crossing number

> non-negative integer-valued knot invariant; least number of crossings in a knot diagram

**Wikidata**: [Q2548661](https://www.wikidata.org/wiki/Q2548661)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Crossing_number_(knot_theory))  
**Source**: https://4ort.xyz/entity/crossing-number


## References

1. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)