2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/165577We present a purely planar algebraic proof of the main result of a paper of Guionnet-Jones-Shlaykhtenko which constructs an extremal subfactor from a subfactor planar algebra whose standard invariant is given by that planar algebra.22 pages, 25 figuresOperator Algebras46L37text