@misc{ARR-2026-6XH6JAS5ZA934A6J-v1,
  author = {Lluis Eriksson},
  title = {{Exact Classical Rate–Distortion for Phase-Lifted Generalized Coherent States: Cartan-Product Laplace Rigidity, Universal Radial Envelopes, and Slater-Determinant Transitions}},
  year = {2026},
  howpublished = {AIRR.SCIENCE},
  note = {Research preprint; ARR-2026-6XH6JAS5ZA934A6J v1. Not peer reviewed by AIRR.},
  url = {https://airr.science/papers/ARR-2026-6XH6JAS5ZA934A6J/versions/v1/}
}
