2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/109209In this presentation, I review physical principles behind a recently proposed \cite{smw-utr} Universal Theory of Relativity and speculate on the mathematical requirements implied by these physical principles. Some unresolved issues will also be discussed.8 pages, Talk presented at the South African Mathematical Society's 48th Meeting, October 31 - November 2, 2005, Rhodes University, Grahamstown, South AfricaGeneral Physicstext