2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/138820We establish the complex analogue of Ullemar's formula for polynomial domains. We show that the Jacobian of the complex moment mapping is equal to the self-resultant of the defining polynomial.9 pagesComplex VariablesCommutative Algebra30E05, 30C20, 44A60, 15A15text