Bergische Universität Gesamthochschule Wuppertal, Fachbereich 7, Mathematik, 42097 Wuppertal, Germany ; Universität Trier, Fachbereich IV, Mathematik, 54286 Trier, Germany
Abstract:
Let be a region in , let be a point in , and let be an infinite set of nonnegative integers. We consider the question whether there exists a function which is holomorphic in and has prescribed derivatives of order at for all .