@article{sigmascalablespectralinsightsforllmmodel,
  title = {SIGMA: Scalable Spectral Insights for LLM Model Collapse},
  author = {Yi Gu and Lingyou Pang and Xiangkun Ye and Tianyu Wang and Jianyu Lin and Carey E. Priebe and Alexander Aue},
  year = {2026},
  eprint = {2601.03385},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2601.03385},
}