2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/184233We study the constraint structure of the O(3) nonlinear sigma model in the framework of the Lagrangian, symplectic, Hamilton-Jacobi as well as the Batalin-Fradkin-Tyutin embedding procedure.17 pagesHigh Energy Physics - Theorytext