2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/63603This is an introduction to $p$-adic geometry and $p$-adic analysis focusing on the theme of $p$-adic period mappings. We follow as closely as possible the development of the classical theory of complex period mappings, blending differential equations, group theory and geometry. The text ends with a detailed discussion of $p$-adic triangle groups.246 pagesNumber TheoryAlgebraic Geometrytext