2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/142383A two dimensional Poincar$\acute{e}$-invariant self-dual field with constraints is studied in geometric way. We obtained its symplectic structure and conservative currents on space of solutions, which are also invariant under transformations of Poincar$\acute{e}$ group.7 pages, no figureHigh Energy Physics - Theorytext