2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/153580It is shown how certain idempotents in the Griess algebra generate the discrete series representations for the Virasoro algebra inside the Frenkel-Lepowsky-Meurman's moonshine module vertex operator algebra. It is also shown that each Niemeier lattice determines (in many ways) certain maximal associative subalgebras of the Griess algebra.tex 17 pages, to appear in : Proc. of the Conference on the Monster and Lie algebras at The Ohio State University, May 1996Quantum Algebratext