# [Subsphere methods for memory–sample lower bounds in noiseless Gaussian regression](paper.pdf)

OpenAI · September 27, 2026

## Citation

```bibtex
@misc{OAI:Subsphere-methods-for-memory-sample-lower-bounds-in-noiseless-Gaussian-regression-September-27-2026,
  author = {{OpenAI}},
  title = {{Subsphere methods for memory--sample lower bounds in noiseless Gaussian regression}},
  howpublished = {OpenAI Math Release preprint
                  \href{https://github.com/openai/math/blob/main/preprints/Subsphere-methods-for-memory-sample-lower-bounds-in-noiseless-Gaussian-regression-September-27-2026/paper.pdf}{OAI:Subsphere-methods-for-memory-sample-lower-bounds-in-noiseless-Gaussian-regression-September-27-2026}},
  year = {2026}
}
```