# linking number

> numerical invariant that describes the linking of two closed curves in three-dimensional space

**Wikidata**: [Q2000614](https://www.wikidata.org/wiki/Q2000614)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Linking_number)  
**Source**: https://4ort.xyz/entity/linking-number


## References

1. Freebase Data Dumps. 2013
2. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)