2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/179176We show that only additivity of inverse Regge slopes is consistent with both the formal chiral limit m(n)\to 0 and the heavy quark limit M(Q)>>M(n), where n=u,d, and m,M are current and constituent quark masses, respectively.11 pages, LaTeXHigh Energy Physics - Phenomenologytext