2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/218324In this paper we obtain a noncommutative multivariable analogue of the classical Nevanlinna-Pick interpolation problem for analytic functions with positive real parts on the open unit disc. As consequences, we deduce some results concerning operator-valued analytic interpolation on the unit ball on C^n.20 pagesFunctional AnalysisOperator Algebras47A57; 47A56; 46L52; 46T25text