@misc{cui2026gradientinterference,
  author    = {Cui, Mingxuan and Zhang, Yuji and Zhou, Duo},
  title     = {Not All Reward Heterogeneity is Value Conflict: Gradient Interference in Group-Aware {RLHF}},
  year      = {2026},
  url       = {https://www.duo-zhou.com/projects/gradient-interference-rlhf/}
}