2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/112871We investigate the structure of the Minkowski sum of standard simplices in ${\reals}^r$. In particular, we investigate the one-dimensional structure, the vertices, their degrees and the edges in the Minkowski sum polytope.Combinatorics52B05; 52B11;05C07text