Research visits and guest professorships
- 1988
Visitor at The Institute of Physical and Chemical Research
(RIKEN) in Tokyo for 1 month, Japanese Government Research Award.
- 1991, 94, 96
Visiting Professor of Algebra (Profesor Visitante de Algebra) at the
Universidad de Alcalá de Henares, Madrid, for 1 month each.
- 1993, 98
Visitor at the Academia Sinica in Beijing and the Computer
Science Department of the Fudan University in Shanghai,
research cooperation FWF and NSFC, for 1 month each.
- 1998
Visiting Professor at the School of Mathematics & Statistics of The
University of Sydney, for 1 month.
- 2001
Visiting Professor at the University of Salzburg, course on
“Symbolisches Rechnen (Computeralgebra)” in the fall semester
2001/02
- 2002
Visiting Professor at the Institute of Mathematics and Informatics
at the University of Debrecen, for 1 week.
- 2003
Visiting Research Scientist at the Courant Institute of Mathematical
Sciences, New York University, for 1 month (July 2003).
- 2004
Visiting Professor at the Department of Algebra of the Charles
University Prague, for 1 week
- 2005
Visiting Professor at the Department of Mathematics of the
University of Alcalá, Madrid, for 1 month (March 2005).
- 2006
Visiting Professor at the Department of Mathematics of the Aristotle
University of Thessaloniki, for 1 week
- 2006
Guest Researcher at the Erwin Schrödinger Institute for Mathematical
Physics (ESI), University of Vienna, Austria, for 1 week (Nov. 2006)
- 2008
Visiting Researcher at the Department of Mathematics of
Beihang University, Beijing, for 2 weeks (March 2008)
- 2009
Visiting Professor at the Department for Computer Science of the University of Timisoara,
Timisoara, Romania, for 1 week (April 2009)
- 2012
Visiting Professor at the Department for Mechanics and Mathematics of Tomsk State University,
Tomsk, Russia, for 1 week (May 2012)
- 2012
Visiting Researcher at the Department of Mathematics of Beihang University, Beijing, for 2
weeks (August 2012)
- 2012
Visiting Researcher at the Department of Mathematics of the University of Alcalá, Madrid,
for 1 month (September 2012)
- 2012
Visiting Researcher at the Department of Mathematics of UC Berkeley and of the Mathematical
Sciences Research Institute (MSRI) in Berkeley, USA, 2 weeks (November/December 2012)
- 2013
Visiting Professor at the Department of Computing of Macquarie University in Sydney,
Australia, for 1 month (February/March 2013)
- 2013
Visiting Researcher at the Department of Computer Science of the University of Bath,
England, for 6 weeks (May/June 2013)
- 2015
Visiting Researcher at the Department of Mathematics of Beihang University,
Beijing for 2 weeks (September 2015)
- 2017
Visiting Researcher at the Department of Mathematics of the University of Alcalá, Madrid,
for 1 month (March/April 2017)
- 2018
Visiting Professor at the Department of Mathematics and Informatics of Vilnius University, Vilnius,
Lithuania, for 1 month (March/April 2017)