| 09/2006 |
DMV-Jahrestagung, Minisymposium Computeralgebra (Bonn): "Neuere Features des Computeralgebrasystems SINGULAR" |
| 03/2005 |
GAMM 2005, Section Computeralgebra und Computeranalysis (Luxembourg): "Das Computer-Algebra System SINGULAR in praktischen Anwendungen" |
| 07/2002 |
Mini-Course at 7th Workshop on Real and Complex
Singularities (ICMC-USP, Sao Carlos, Brazil): "SINGULAR as a tool for Singularity Theory" (together with Christoph Lossen) |
| 02/2001 |
Seminar of Teissier (Paris): "SINGULAR - A Computer Algebra System for Polynomial Computations" |