Second International Congress on Mathematical Software (ICMS 2006), Castro Urdiales, September 1-3, 2006
Subject: CLN: A Class Library for Numbers (slides)

Rigorosum, Mainz, 2002-07-19
Subject: Algorithmische Methoden zur Berechnung von Zweischleifen-Vierbeinfunktionen  (slides)

Séminaire Calcul Formel Libre (Workshop on Open Source Computer Algebra) (CFL2002), Lyon, May 21-23, 2002
Subject: GiNaC: What Can We Learn From It?  (slides).

Workshop on Computer Particle Physics (CPP2001), Tokyo, November 27-30, 2001
Subject: using namespace GiNaC;  (slides, proceedings)

Klausurtagung des Graduiertenkollegs "Eichtheorien - Experimentelle Tests und theoretische Grundlagen", Bullay/Mosel 2001-08-28
Subject: Was Sie schon immer über Effizienz wissen wollten, aber bisher nicht zu fragen wagten  (slides)

6th IMACS Conference on Applications of Computer Algebra (ACA2000), St. Petersburg, June 25-28, 2000
Subject: Symbolic Manipulation, consistently embedded in C++

VII International Workshop on Advanced Computing and Analysis Techniques in Physics Research (ACAT 2000) Fermi National Accelerator Laboratory, October 16-20, 2000
Subject: Large Scale Symbolic Programming with GiNaC  (slides, proceedings)

Third TRACS User Group Meeting, Barcelona, September 23, 1999
Subject: pvegas: Parallelization of a General-Purpose Adaptive MC-Integrator  (slides)

VI Advanced Computing Conference in Physics Research, Heraklion, April 12-16, 1999
Subject: Towards automated calculation of 2-loop box-functions  (slides)