2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/121348We use our disc formula for the Siciak-Zahariuta extremal function to characterize the polynomial hull of a connected compact subset of complex affine space in terms of analytic discs.Complex Variables32E20; 32U35Siciak-Zahariuta extremal functions and polynomial hullstext