# [Bounded scalar curvature and smooth extension of four-dimensional Ricci flow](paper.pdf)

OpenAI  
September 24, 2026

## Citation

```bibtex
@misc{OAI:Bounded-scalar-curvature-and-smooth-extension-of-four-dimensional-Ricci-flow-September-24-2026,
  author = {{OpenAI}},
  title = {{Bounded scalar curvature and smooth extension of four-dimensional Ricci flow}},
  howpublished = {OpenAI Math Release preprint
                  \href{https://github.com/openai/math/blob/main/preprints/Bounded-scalar-curvature-and-smooth-extension-of-four-dimensional-Ricci-flow-September-24-2026/paper.pdf}{OAI:Bounded-scalar-curvature-and-smooth-extension-of-four-dimensional-Ricci-flow-September-24-2026}},
  year = {2026}
}
```