2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/52168A question is addressed pertinent to models of fundamental fermions in a world of high dimensions. Tex extra compactified dimensions are needed to accommodate quarks and leptons of each generation in a single spinor space carrying a representation of the spin group Spin(10). We present arguments to support a special choice of the geometry.17 pages, LatexHigh Energy Physics - Theorytext