2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/55596Some explanations and implications of the underlying theory approach for quantum theories (QM or QFT) are discussed and suggested. This simple idea seems to have significantly nontrivial effects for our understanding of the quantum theories.12 pages, LaTex, no figure, explanations and speculative remarks about the underlying theory approach recently proposed. Comments are welcomeHigh Energy Physics - TheoryHigh Energy Physics - PhenomenologyQuantum PhysicsOn the underlying theory approach for quantum theoriestext