@article{implicitcompressionregularizationconcise,
  title = {Implicit Compression Regularization: Concise Reasoning via Internal Shorter Distributions in RL Post-Training},
  author = {Chen Wang and Hexuan Deng and Yining Zhang and Yuchen Zhang and Jionghao Bai and Zhaochun Li and Ge Lan and Yue Wang},
  year = {2026},
  eprint = {2605.07316},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2605.07316},
}