2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/66214We construct from coassociative coalgebras, bialgebras, Hopf algebras, new objects such as Poisson algebras, Leibniz algebras defined by J-L Loday and M. Ronco and explore the notion of coassociative manifolds.25 pages, 13 figuresQuantum AlgebraMathematical Physicstext