2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/203661We compute the two-point functions for chiral matter states in toroidal intersecting D6-brane models. In particular, we provide the techniques to calculate Moebius strip diagrams including the worldsheet instanton contribution.33 pages, 2 figuresHigh Energy Physics - Theorytext