@article{gistgaugeinvariantspectraltransformersfo,
  title = {GIST: Gauge-Invariant Spectral Transformers for Scalable Graph Neural Operators},
  author = {Mattia Rigotti and Nicholas Thumiger and Thomas Frick},
  year = {2026},
  eprint = {2603.16849},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2603.16849},
}