Co-workrs and Collaborations

Research Work at Foreign Institutes:

• Mathematical Institute, University of Oxford (UK), at Professor Ian P. Grant, 19 May - 18 October 1993.
• Department of Computer Science, Vanderbilt University Nashville (Tennessee, USA), at Professor Charlotte Froese Fischer, 05 January- 30 March 1994.
• Free University of Bruxelles, Laboratoire de Chimie Physique Moleculaire (Belgien), at Professor Michel Godefroid, 01 September - 30 December 1995.
• Department of Computer Science, Vanderbilt University Nashville (Tennessee, USA), at Professor Charlotte Froese Fischer, 17 September - 12 December 1996.
• Department of Computer Science, Vanderbilt University Nashville (Tennessee, USA), at Professor Charlotte Froese Fischer, 15 September - 15 December 1997.
• Fachgebiet Theoretische Physik, Fachbereich Physik Universität Gesamthochschule Kassel, Kassel (Germany), at Habil. Dr. Stephan Fritzsche, 1999 - 2000.
• Fachgebiet Theoretische Physik, Fachbereich Physik Universität Gesamthochschule Kassel, Kassel (Germany), at Habil. Dr. Stephan Fritzsche, 4 June - 4 September 2002.
• Fachgebiet Theoretische Physik, Fachbereich Physik Universität Gesamthochschule Kassel, Kassel (Germany), at Habil. Dr. Stephan Fritzsche, 5 July - 5 September 2004.