2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/67919The goal of this paper is to construct examples of centralizers in the Artin braid groups requiring the number of generators quadratic in the number of strings. These examples disprove a recent conjecture of N. Franco and J. Gonzalez-Meneses.6 pages, 0 figuresGeometric TopologyGroup Theory20F36, 57M07, 57M99text