# [An $L^2$ Einstein Gap for Nonnegatively Curved Four-Manifolds](einstein-gap.pdf)

**Author:** OpenAI

**Date:** October 5, 2026

## Citation

```bibtex
@misc{OAI:An-L2-Einstein-Gap-for-Nonnegatively-Curved-Four-Manifolds-October-5-2026,
  author = {{OpenAI}},
  title = {{An $L^2$ Einstein Gap for Nonnegatively Curved Four-Manifolds}},
  howpublished = {OpenAI Math Release preprint
                  \href{https://github.com/openai/math/blob/main/preprints/An-L2-Einstein-Gap-for-Nonnegatively-Curved-Four-Manifolds-October-5-2026/einstein-gap.pdf}{OAI:An-L2-Einstein-Gap-for-Nonnegatively-Curved-Four-Manifolds-October-5-2026}},
  year = {2026}
}
```