Lluis Eriksson (2026). Classical limits and learning gaps for compound bosonic fading channels. AIRR.SCIENCE, ARR-2026-2WNM69XY548JHVMC, v3. https://airr.science/papers/ARR-2026-2WNM69XY548JHVMC/versions/v3/ Research preprint; ARR-2026-2WNM69XY548JHVMC v3. Not peer reviewed by AIRR. Working paper; not admitted to the AIRR accepted collection.