@article{whenflatminimafailcharacterizingint4quan,
  title = {When Flat Minima Fail: Characterizing INT4 Quantization Collapse After FP32 Convergence},
  author = {Marcus Armstrong},
  year = {2026},
  eprint = {2604.15167},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2604.15167},
}