2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/112551We spell two conundrums, one of physical and another of mathematical nature, and explain why one helps to elucidate the otherFor the volume celebrating Jose Carinena's contributions to mathematical physics, with occasion of his 60th birthday; 10 pagesHigh Energy Physics - Theorytext