# tree-depth

> numerical invariant of graphs

**Wikidata**: [Q7837500](https://www.wikidata.org/wiki/Q7837500)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Tree-depth)  
**Source**: https://4ort.xyz/entity/tree-depth


## References

1. [Source](https://11011110.github.io/blog/2012/11/15/graph-parameters-and.html)
2. Approximating Treewidth, Pathwidth, Frontsize, and Shortest Elimination Tree
3. Sparsity
4. Exploring the gap between treedepth and vertex cover through vertex integrity
5. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)