2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/71668We show that the cobar construction of a DG-bialgebra is a homotopy G-algebra. This implies that the bar construction of this cobar is a DG-bialgebra as well.11 pagesAlgebraic Topology55P48On the cobar construction of a bialgebratext