2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/126857Given the Lagrangian fibration $T^4\to T^2$ and a Lagrangian submanifold, exhibiting an elliptic umbilic and supporting a flat line bundle, we study, in the context of mirror symmetry, the ``quantum'' corrections necessary to solve the monodromy of the holomorphic structure of the mirror bundle on the dual fibration.26 pagesDifferential GeometryDynamical Systems14J32, 37G25, 53D12text