All interactions with SIGOPT and Opt-Net (updating White Pages, joining or leaving Opt-Net) can be done via the WWW services below. This is the recommended way, since here you have easy-to-use interfaces for the entries.
This WWW interface is maintained by Roland Stoffel from University of Trier, Fachbereich Mathematik and is partially granted by the University of Trier. We always welcome comments and questions .