@article{dgpobeyondpairwisepreferenceswithdirecti,
  title = {DGPO: Beyond Pairwise Preferences with Directional Consistent Groupwise Optimization},
  author = {Mengyi Deng and Zhiwei Li and Xin Li and Tingyu Zhu and Yulan Yuan and Zhijiang Guo and Wei Wang},
  year = {2026},
  eprint = {2605.10863},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2605.10863},
}