@misc{ARR-2026-7EPM3V3DP796BBRR-v1,
  author = {Lluis Eriksson},
  title = {{Exact-Kernel Fourier Families Obstruct Every Penalty Factored Through a Block Map in a Flat Lattice Gauge Form}},
  year = {2026},
  howpublished = {AIRR.SCIENCE},
  note = {Archived manuscript; ARR-2026-7EPM3V3DP796BBRR v1. Not peer reviewed by AIRR. Historical import; not assessed by AIRR.},
  url = {https://airr.science/papers/ARR-2026-7EPM3V3DP796BBRR/versions/v1/}
}