@article{beyondtokenlevelcrossentropyfrchetdistri,
  title = {Beyond Token-Level Cross-Entropy: Fréchet Distributional Post-Training for Autoregressive Image Generation},
  author = {Jinhua Zhang and Yisong Lin and Wei Long and Shuhang Gu},
  year = {2026},
  eprint = {2608.00562},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2608.00562},
}