2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/61564A closer look at an example introduced by Livingston & Melvin and later studied by Miyazaki shows that a plumbing of two fibered ribbon knots (along their fiber surfaces) may be algebraically slice yet not ribbon.2 pages, 1 figureGeometric Topology57M25A non-ribbon plumbing of fibered ribbon knotstext