2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/75743In this note we associate to each Frobenius algebra a vertex algebra, the simplest example being the Virasoro vertex algebra. This construction is analogous to the procedure which associates to a Lie algebra with an invariant bilinear form the vacuum module over the corresponding Kac-Moody Lie algebra.9 pages, in frenchQuantum Algebratext