| name |
affiliation |
time of visit |
| Rastislav Sramek |
Comenius University, Bratislava, Slovakia |
Januar 22, 2007 - Januar 26, 2007 |
| Proietti Guido |
University of L'Aquila, Italy |
May 13, 2007 - May 26, 2007 |
| Penna Paolo |
University of Salerno, Italy |
November 19 - November 30, 2007 |
| Fedor Fomin |
University of Bergen, Norway |
November 1, 2007 - February 28, 2008 |
|
