2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/60819In this paper we formulate and solve Nevanlinna-Pick and Carathéodory type problems for tensor algebras with data given on the N-dimensional operator unit ball of a Hilbert space. We develop an approach based on the displacement structure theory.10 pagesFunctional Analysistext