2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/73185We review several linear algebraic aspects of the Dehn-Sommerville relations and relate redundant analogues of the f- and h-vectors describing the subsets of a simplex 2^{1,...,m} that satisfy Dehn-Sommerville type relations to integer points contained in some rational polytopes.17 pages, 1 figureCombinatorics13F55; 15A99text