2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/59776In this paper, it is shown that the projectivity of a rational module for an infinitesimal unipotent group scheme over an algebraically closed field of positive characteristic can be detected on a family of closed subgroups.6 pagesRepresentation TheoryPrimary 14L15, 20G05; Secondary 17B50text