@article{functiongraphtransformersuniversallyappr,
  title = {Function graph transformers universally approximate operators between function spaces},
  author = {Takashi Furuya and David Mis and Ivan Dokmanić and Maarten V. de Hoop and Matti Lassas},
  year = {2026},
  eprint = {2605.17968},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2605.17968},
}