2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/66231Locally conformal symplectic (l.c.s.) groupoids are introduced as a generalization of symplectic groupoids. We obtain some examples and we prove that l.c.s. groupoids are examples of Jacobi groupoids in the sense of \cite{IM}. Finally, we describe the Lie algebroid of a l.c.s. groupoid.10 pagesDifferential GeometrySymplectic Geometry17B66; 22A22; 53D10; 53D17text