# [Exponential decay in two-dimensional classical O(n) models](paper.pdf)

**Author:** OpenAI

**Date:** September 23, 2026

## Citation

```bibtex
@misc{OAI:Exponential-decay-in-two-dimensional-classical-On-models-September-23-2026,
  author = {{OpenAI}},
  title = {{Exponential decay in two-dimensional classical $O(n)$ models}},
  howpublished = {OpenAI Math Release preprint
                  \href{https://github.com/openai/math/blob/main/preprints/Exponential-decay-in-two-dimensional-classical-On-models-September-23-2026/paper.pdf}{OAI:Exponential-decay-in-two-dimensional-classical-On-models-September-23-2026}},
  year = {2026}
}
```