@article{beyondentropycorrectnessawareadvantagesh,
  title = {Beyond Entropy: Correctness-Aware Advantage Shaping via Contrastive Policy Optimization},
  author = {Weiwen Xu and Jia Liu and Hou Pong Chan and Long Li and Deng Cai and Min Chen and Hao Zhang},
  year = {2026},
  eprint = {2607.14614},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2607.14614},
}