2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/128533A basic result in the theory of holomorphic functions of several complex variables is the following special case of the work of H. Cartan on the sheaf cohomology on Stein domains ([10], or see [14] or [16] for more modern treatments).24 pages, published versionComplex VariablesNorm preserving extensions of holomorphic functions from subvarieties of the bidisktext