2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/36414Critical collapse in tensor-multi-scalar gravity theories is studied, and found that for any given target space all the theories conformally related belong to the same universal class. When only one scalar field is present, the universality is extended to include a class of non-linear gravity theories.latex, no figuresGeneral Relativity and Quantum Cosmologytext