2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/94655We study open analytic curves over non-archimedian fields and their formal models. In particular, we give a criterion, in terms of etale cohomology, when such a formal model is (almost) semistable.20 pagesAlgebraic Geometry14H30, 14G22text