Eighth Rhine Workshop on Computer Algebra. Mannheim, Germany; 21--22 March 2002.

8th International Conference on Applications of Computer Algebra. Volos, Greece; 25--28 June 2002.

6th International Symposium on Symbolic and Numeric Algorithms for Scientific Computing. Timisoara, Romania; 24--26 September 2004.

2001 IMACS Conference on Applications of Computer Algebra, Technical Vocational Institute, Albuquerque, New Mexico, USA. 31 May -- 3 June 2001.

International Symposium on Symbolic and Algebraic Computation. University of Western Ontario; 22--25 July 2001.

International Symposium on Symbolic and Algebraic Computation. Rostock, Germany; 13--15 August 1998.

Research Centre for Computer Algebra, University of Western Ontario in London, Ontario, Canada; 13 May 2000.

A workshop at ISSAC 2003. Drexel University, Philadelphia, PA, USA; Thursday 7 August 2003.

3rd IMACS Conference on Applications of Computer Algebra. Aston Wailea Resort, Wailea, Maui, Hawaii, USA; 24--26 July 1997.

COmputational COmmutative Algebra and International School on Computer Algebra. Corte Rosada Hotel Porto Conte, Italy; 23--26 May 2005.