2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/50638We effectively sew two vertices with ghosts in order to obtain a third, composite vertex in the most general case of cycling transformations. In order to do this, we separate the vertices into two parts: a bosonic oscillator part and a ghost oscillator part and write them as canonical forms.13 pagesHigh Energy Physics - Theorytext