2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/91345This paper has been withdrawn by the author. My counter-example to the Koashi-Imoto decomposition can be avoided by setting j=1 for all states, at fixed l.This paper has been withdrawn by the authorQuantum PhysicsComments on some papers by M. Koashi and N. Imototext