Credits

The icons used on this site are taken from Mark James' silk icon set, see http://www.famfamfam.com/lab/icons/silk/.

Impressum/About this site

The site is maintained by

Prof. Dr. Ulrich Görtz
Universität Duisburg-Essen
Institut für Experimentelle Mathematik, Ellernstr. 29, 45326 Essen
ulrich.goertz@uni-due.de