2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/83309A number of mechanisms that lead to the confinement of patterns to a small part of a translationally symmetric pattern-forming system are reviewed: nonadiabatic locking of fronts, global coupling and conservation laws, dispersion, and coupling to additional slow modes $via$ gradients. Various connections with experimental results are made.Proceedings of the IMA-workshop "Pattern Formation in Continuous and Coupled Systems"Pattern Formation and Solitonstext