2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/153068The author provides some definitions and structural results about Fell bundles, defined as C^*-algebra bundles over topological groupoids. Such bundles are a mutual generalization of semi-direct products of groups with C^*-algebras and C^*-algebra bundles over topological spaces. In particular a Morita equivalence theorem with semi-direct products is established.8 pages. Abstract added in migration.Operator Algebrastext