Invited Researcher to

  • Charles University, Prague, Czechia, February 2024 (by John Gimbel)
  • University of Oregon, Eugene, USA, July 2019 (by Andrzej Proskurowski)
  • University of Fribourg, Fribourg, Switzerland, November 2018 (by Bernard Ries)
  • University of Oregon, Eugene, USA, Academic leave 2017-1018 (by Andrzej Proskurowski)
  • Technion, January 2016, Haifa, Israel (by Mordechai Shalom).
  • University of Primorska, Koper, Slovenia, September 2014, January and November 2015, December 2016, July 2017 (by Martin Milanic)
  • Dauphine University, Paris, France, May 2009, November 2011 (by Bernard Ries)
  • EPFL, Lausanne, Switzerland, January 2009 (by Dominique de Werra)
  • University of Bergen, Bergen, Norway, January 2009, September 2015 (by Pinar Heggernes)