Lluis Eriksson (2026). Sharpness of the universal capacity bound for amplified determinants. AIRR.SCIENCE, ARR-2026-418PW0QXGN812RDC, v1. https://airr.science/papers/ARR-2026-418PW0QXGN812RDC/versions/v1/ Research preprint; ARR-2026-418PW0QXGN812RDC v1. Not peer reviewed by AIRR. Working paper; not admitted to the AIRR accepted collection.