| 10-14 December 2007 | A visit of Prof. Mark Chaplain (Dundee University, Scotland). |
| 21-27 November 2005 | A visit of Prof. Jacek Banasiak (University of KwaZulu-Natal, Durban). |
| 28-29 September 2005 | A visit of Prof. Benoit Perthame (ENS, Paris, France). |
| 6-8 June 2005 | A visit of Prof. Mark Chaplain (Dundee University, Scotland). |
| 8-9 December 2004 | A visit of Dr. Anna Marciniak-Czochra (University of Heidelberg, Germany). |
| 5-10 December 2004 | A visit of Prof. Mark Chaplain (Dundee University, Scotland). |
| 19-26 June 2004 | A visit of Prof. Juan Jose Lopez Velazquez (Complutense University, Madrid, Spain). |
| 9-13 May 2004 | A visit of Prof. Vincenzo Capasso (University of Milan, Italy). |
| 22-27 February 2004 | A visit of Prof. Mark Chaplain (Dundee University, Scotland). |
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