# [Baumslag–Solitar-free one-relator groups are hyperbolic](paper.pdf)

OpenAI · September 25, 2026

## Citation

```bibtex
@misc{OAI:Baumslag-Solitar-free-one-relator-groups-are-hyperbolic-September-25-2026,
  author = {{OpenAI}},
  title = {{Baumslag--Solitar-free one-relator groups are hyperbolic}},
  howpublished = {OpenAI Math Release preprint
                  \href{https://github.com/openai/math/blob/main/preprints/Baumslag-Solitar-free-one-relator-groups-are-hyperbolic-September-25-2026/paper.pdf}{OAI:Baumslag-Solitar-free-one-relator-groups-are-hyperbolic-September-25-2026}},
  year = {2026}
}
```