@article{flowmapgrporeinforcementlearningforfewst,
  title = {Flow-Map GRPO: Reinforcement Learning for Few-Step Flow-Map Generators via Anchored Stochastic Composition},
  author = {Zhiqi Li and Wen Zhang and Bo Zhu},
  year = {2026},
  eprint = {2607.00535},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2607.00535},
}