@article{doessgdseekflatnessorsharpnessanexactlys,
  title = {Does SGD Seek Flatness or Sharpness? An Exactly Solvable Model},
  author = {Yizhou Xu and Pierfrancesco Beneventano and Isaac Chuang and Liu Ziyin},
  year = {2026},
  eprint = {2602.05065},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2602.05065},
}