- Visiting Mike Thorpe and his group, at ASU in Tempe, Arizona, May 10-17, 2006.
- Workshop on Rigidity, Flexibility and Motion,
Tempe, Arizona, May 15-17 2006.
- Pseudo-triangulation week in Berlin, May 18-23, 2006.
- IBZ guest house, Berlin.
- Pre-doc course in Rigidity Theory, Technische Universitaet Berlin.
- Snowbird, DCG - 20 years later.
- Workshop on Geometric and Topological Combinatorics and the
Advanced course in Combinatorial and Computational Geometry,
Alcala de Henares, Spain, Aug. 31-Sept 2, 2006.