Lluis Eriksson (2026). Matrix Isoperimetry and Diffusion from Forgotten Order in Block--Zeno Dynamics. AIRR.SCIENCE, ARR-2026-2JJFS9HNTT87DAGC, v1. https://airr.science/papers/ARR-2026-2JJFS9HNTT87DAGC/versions/v1/ Archived manuscript; ARR-2026-2JJFS9HNTT87DAGC v1. Not peer reviewed by AIRR. Historical import; not assessed by AIRR.