@misc{ARR-2026-2GTKNVK5QM9H8BFR-v1,
  author = {Lluis Eriksson},
  title = {{Universal optimal tests of unknown unitary dynamics: determinant exponents and tensor stability}},
  year = {2026},
  howpublished = {AIRR.SCIENCE},
  note = {Research preprint; ARR-2026-2GTKNVK5QM9H8BFR v1. Not peer reviewed by AIRR. Working paper; not admitted to the AIRR accepted collection.},
  url = {https://airr.science/papers/ARR-2026-2GTKNVK5QM9H8BFR/versions/v1/}
}