2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/53409Integrable hierarchy based on the constrained Osp(2$\mid%2) connection is considered. The connection with 2D supergravity and some analogies with the W$_3^{(2)}$ case are given. It is shown that super Virasoro transformations are symmetries of tha hierarchy.9pgsHigh Energy Physics - Theory2D Supergravity and Integrable Systemstext