@article{efficientunsupervisedenvironmentdesignth,
  title = {Efficient Unsupervised Environment Design through Hierarchical Policy Representation Learning},
  author = {Dexun Li and Sidney Tio and Pradeep Varakantham},
  year = {2026},
  eprint = {2602.09813},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2602.09813},
}