@article{hierarchicalbehaviourspaces,
  title = {Hierarchical Behaviour Spaces},
  author = {Michael Tryfan Matthews and Anssi Kanervisto and Jakob Foerster and Pierluca D'Oro and Scott Fujimoto and Mikael Henaff},
  year = {2026},
  eprint = {2604.24558},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2604.24558},
}