2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/156305We consider the algebraization problem for principal bundles with reductive structure group, defined on the complement of a closed subset Z in a proper formal scheme. We show that, when Z is of codimension at least 3, an algebraization always exists. For codimension 2 we show that an algebraization exists precisely when a certain additional condition is satisfied.Algebraic Geometry14B20; 14D15text