2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/52344In the quantum adelic field (string) theory models, vacuum energy -- cosmological constant vanish. The other (alternative ?) mechanism is given by supersymmetric theories. Some observations on prime numbers, zeta -- function and fine structure constant are also considered.15 pagesHigh Energy Physics - Theorytext