@article{whatmakesmathproblemshardfor,
  title = {What makes math problems hard for reinforcement learning: a case study},
  author = {Ali Shehper and Anibal M. Medina-Mardones and Lucas Fagan and Bartłomiej Lewandowski and Angus Gruen and Yang Qiu and Piotr Kucharski and Zhenghan Wang and Sergei Gukov},
  year = {2024},
  eprint = {2408.15332},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2408.15332v2},
}