2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/63646The theory of aperiodic order is concerned with the development of ideas stimulated by the discovery of quasicrystals. We give a gentle introduction to some mathematical aspects of aperiodic order, aimed at a more general audience.27 pages, many colour picturesHistory and OverviewCondensed MatterMetric Geometrytext