2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/183308We construct a certain `cobordism category' ${\cal D}$ whose morphisms are suitably decorated cobordism classes between similarly decorated closed oriented 1-manifolds, and show that there is essentially a bijection between (1+1-dimensional) unitary topological quantum field theories (TQFTs) defined on ${\cal D}$, on the one hand, and Jones' subfactor planar algebras, on the other.57 pages, 9 figuresQuantum AlgebraOperator Algebras46L37text