# 1-planar graph

> graph that can be drawn in the Euclidean plane in such a way that each edge has at most one crossing point with a single additional edge

**Wikidata**: [Q4545823](https://www.wikidata.org/wiki/Q4545823)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/1-planar_graph)  
**Source**: https://4ort.xyz/entity/1-planar-graph


## References

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