2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/67146We show that solving the Maurer-Cartan equations is, essentially, the same thing as performing the Hamiltonian reduction construction. In particular, any differential graded Lie algebra equipped with an even nondegenerate invariant bilinear form gives rise to modular stacks with symplectic structures.9 pp., expanded version: more details and comments addedAlgebraic GeometryQuantum AlgebraSymplectic Geometrytext