2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/64236Numerical functions, which characterize Dynkin schemes, Coxeter graphs and tame marked quivers, are considered.32 pages, 59 figuresRepresentation TheoryCategory TheoryRings and AlgebrasThe norm of a relation, separating functions and representations of marked quiverstext