2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/194935Ideas and techniques (asymptotic decoupling of single-trace subspace, asymptotic operator algebras, duality and role of supersymmetry) relevant in current Fock space investigations of quantum field theories have very simple roles in a class of toy models.7 pages including 2 eps figuresHigh Energy Physics - TheoryFock space methods and large Ntext