2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/200516It is shown that an exact chiral symmetry can be described for Dirac-Kahler fermions using the two complexes of the geometric discretization. This principle is extended to describe exact flavour projection and it is shown that this necessitates the introduction of a new operator and two new structures of complex. To describe simultaneous chiral and flavour projection, eight complexes are needed in all and it is shown that projection leaves a single flavour of chiral field on each.v2: 17 pages, Latex. 5 images eps. Added references, reformatted and clarification of some pointsHigh Energy Physics - Latticetext