# kissing number problem

> problem of determining the maximum number of non-overlapping spheres that can be simultaneously tangent to another sphere of the same size

**Wikidata**: [Q1371530](https://www.wikidata.org/wiki/Q1371530)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Kissing_number)  
**Source**: https://4ort.xyz/entity/kissing-number-problem


## References

1. Freebase Data Dumps. 2013