@article{emergenthierarchicalreasoninginllmsthrou,
  title = {Emergent Hierarchical Reasoning in LLMs through Reinforcement Learning},
  author = {Haozhe Wang and Qixin Xu and Che Liu and Junhong Wu and Fangzhen Lin and Wenhu Chen},
  year = {2025},
  eprint = {2509.03646},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2509.03646},
}