Professional activities

• Chairman of the program committee and organizer of the “4^th International Conference on Algebraic Informatics (CAI 2011)”, RISC, July 2011
• Member of the Steering Committee of the conference series ISSAC (International Symposium for Symbolic and Algebraic Computation), 2009–2012
• Organizer (with M. Rosenkranz) of the “Summer School on Algebraic Analysis and Computer Algebra (AACA'09)”, RISC, July 2009
• Reviewer in the faculty search on “Didaktik der Mathematik” at Johannes Kepler Universität Linz, 2009
• Organizer of the workshop “DEAM (Differential Equations by Algebraic Methods)”, RISC, Feb. 2009
• Local Arrangements Chair of the conference “International Symposium on Symbolic and Algebraic Computation (ISSAC 2008)”, RISC, Hagenberg, July 2008
• Chairman (together with P.Paule) of the section “Computer Algebra” of the conference GAMM 2008 in Bremen, Germany, March/April 2008
• Member of the Advisory Board of the conference series “MEGA — Effective Methods in Algebraic Geometry”, 2008–now
• Reviewer in the accredidation procedure “Paket Technik” at the Technische Fachhochschule Berlin, October 2007
• Main evaluator in the faculty search on “Computational Mathematics” at the University of Kassel, Germany, October 2005
• Co-organizer of the workshop “Symbolic Calculations and Exact Methods in Mathematical Physics” in the frame of the conference “Symmetry in Nonlinear Mathematical Physics”, National Academy of Sciences of Ukraine, Kiev, June 2005
• Chairman of the section “Computer Algebra and Computer Analysis” of the conference GAMM 2003 in Padova, Italy, March 2003
• Chairman of the conference “Logic, Mathematics and Computer Science: Interactions (LMCS 2002)” at RISC-Linz, October 2002
• Organizer and Chairman of the Program Committee of the conference “Automated Deduction in Geometry (ADG'2002)”, at RISC-Linz, September 2002
• Chairman of the conference “Symbolic and Numerical Scientific Computation (SNSC'01)” at RISC-Linz, September 2001
• Organizer of the session on “Symbolic and Numerical Scientific Computation” at the IMACS-ACA Conference in Albuquerque, New Mexico, USA, June 2001
• Co-speaker of the special research area (Spezialforschungsbereich) “Numerical and Symbolic Scientific Computing (SFB F013)” of the Austrian Science Foundation, 2001–2004
• Chairman of the workshop “Symbolic and Numerical Scientific Computation (SNSC'99)” at RISC-Linz, August 1999
• Organizer (with B. Buchberger) of the “Special Year on Gröbner Bases” at RISC-Linz, March 1997 – February 1998
• Chairman of the Program Committee of the conference “33 Years of Gröbner Bases”, Feb. 2–4, 1998
• Organizer (with B. Buchberger) and lecturer of the winter school “Intensive Course on Gröbner Bases”, January 12–30, 1998
• Chairman of the “österreichische Arbeitsgruppe für Computeralgebra” (Austrian Working Group for Computer Algebra)
• Organizer and chairman of the program committee of the “Workshop on Computer Algebra” in the frame of the conf. INFORMATIK'96, Univ. Klagenfurt, Austria, Sept. 24, 1996
• Organizer (with H. Hong and D. Wang) of a “Workshop on Algebraic Approaches to Geometric Reasoning”, Schloss Weinberg near Linz, August 17–19, 1992
• Organizer and main lecturer of the “RISC-LINZ Summer School in Computer Algebra 1992, RICA'92”, July 6–11, 1992
• Organizer and main lecturer of the “RISC-LINZ Summer School in Computer Algebra”, July 2–14, 1990
• Editor SIGSAM Bulletin (1986–1991)