2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/77303We give a complete description of the full automorphism group of a lattice vertex operator algebra, determine the twisted Zhu's algebra for the automorphism lifted from the -1 isometry of the lattice and classify the corresponding irreducible twisted modules through the twisted Zhu algebra.Latex2e, 20 pagesQuantum Algebratext