2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/218317We construct membrane homology groups $\h(M)$ associated with each compact connected oriented smooth manifold, and show that $\h(M)$ is matrix graded algebra.10 pages, 4 figuresGeometric TopologyQuantum Algebra57N05, 57M99, 81T30text