Visiting Positions:
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2025-2026 Visiting Professor, Pi School, Phi-Lab, European Space Agency, Frascati, Italy
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2021-2022 Visiting Fellow, Institute of Advanced Studies, University of Loughborough, UK
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July 2019 Visiting Professor, University of Balearic Islands, Spain
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Jan 2019 Visiting Professor, University of Paderborn, Germany
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July 2017 Visiting Professor, University of California at Los Angeles (UCLA) , USA
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April 2016; May 2017 Visiting Professor, University of Florida , USA
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March-Sept 2015 Santander Chair of Excellence, University Carlos III , Madrid, Spain
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May 2014 Visiting Professor, Ecole de Mines, Douai, France
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April 2014 Visiting Professor, IFRN - Campus Natal/Zona Norte , Brazil
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Feb 2012-now Visiting Professor, Sofia Technical University , Bulgaria (on Erasmus+)
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Feb 2010 Visiting Professor, University Carlos III, Madrid , Spain (invited short course)
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April 2007 Visiting Professor, University of Braunschweig, Germany (ditto)
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Dec 2006 Visiting Fellowship, Johannes Kepler University, Linz, Austria
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Sept 2005 Visiting Fellowship, UNICAMP, University of Campinas , SP, Brazil
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Jan-Dec 1997 Visiting Research Fellow, Catholic University of Louvain, Belgium
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June-July 1996 Visiting Research Fellow, Hans Knoell Institute , Jena, Germany
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June 1995 Visiting Research Associate, University of Hannover , Germany