2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/117783We construct an explicit categorification of the action of tangles on tensor powers of the fundamental representation of quantum sl(2).25 pages, 21 eps figures, Typos corrected, Figure 6 replacedQuantum AlgebraGeometric Topology57Q45An invariant of tangle cobordisms via subquotients of arc ringstext