@article{rethinkinggspotheperplexityentropyequiva,
  title = {Rethinking GSPO: The Perplexity-Entropy Equivalence},
  author = {Chi Liu},
  year = {2025},
  eprint = {2510.23142},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2510.23142},
}