2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/57313We discuss Donsker's delta function within the framework of White Noise Analysis, in particular its extension to complex arguments. With a view towards applications to quantum physics we also study sums and products of Donsker's delta functions.Mathematical Physics60H40; 46F25; 58D30text