02.-3.11..2020   Prof. Tsvetomir Tsachev (Bulgarian Academy of Sciences)

27.01.-02.02.2019  Prof. Assen Dontchev  (University of Michigan)

05.-09.02.2019  Prof. Alexander Kurzhansky (Lomosov Moscow State University)

09.-12.04.2019  Ngo Van Long (McGill University, Canada, and Australian National University)

23.-30.05.2018  Prof. Marc Quincampoix (University of Brest, France)

24.-27.5.2018  Prof. Georg Bock (IWR Heidelberg)

25.5.2018   Prof. Alexey Davydov (Vladimir State University, Russia)

29.05.2018  Dr. Mathias Staudigl (University of Bielefeld)

11.-13.06.2018  Prof. Ursula Felgenhauer (BTU Cottbus - Senftenberg)

24.9.-10.12.2018  Prof. Nikolai Osmolovskii (Moscow State University)

17.01.2017   Dr. Rossen Rozenov (International Monetary Fund)

07.03.2017   Prof. Julian Revalski (President of the Bulgarian Academy of Sciences)

15.03.2017   Prof. Peter Kort (Tilburg University, NL)
15.03.2017   Prof. Richard Hartl (University of Vienna)

22.03.2017   Prof. Nikos Stilianakis (Joint Research Center, European Commisssion, ISPRA, Italy)

02.-30.04.2017   Prof. Marc Quincampoix (University of Brest, France)

09.05.2017   Prof. Bernt  Øksendal (University of Oslo)

19.-20.05.2017  Prof. Jonathan P. Caulkins (Carnegie Mellon University, Pittsburgh, USA)

02.-31.10.2017  Prof. Ursula Felgenhauer (BTU Cottbus - Senftenberg)

06.-19.10.2017  Prof. Mikhail Krastanov (Sofia University)

10.11.2017  Prof. Georges Zaccour (HEC Montréal, Canada)

16.-19.12.2017   Prof. E. Kaplan (Yale School of Management, USA)

19.01.2016   Prof. Stefan Pickl and Dr. Martin Zsifkovits (Universität der Bundeswehr München)

23.-31.01.2016   Prof. Le Yi Wang (Wayne State University, Detroit, Michigan)

03.02.2016   Prof. John Casti (Stevens Institute of Technology in New York, and X-Center in Vienna) 

13.04.-13.05.2016  Prof. Asen Dontchev  (University of Michigan)

24.-30.04.2016   Dr. Radek Cibulka (University of West Bohemia)

10.05.2016   Prof. Alessandra Buratto (Univ. of Padova, Italy)

06.-07.06.2016   Prof. Nikos Stilianakis (Joint Research Center, European Commisssion, ISPRA, Italy)

13.-23.6.2016   Prof. Sebastian ANITA (University of Iasi, Romania)

28.08.-03.09.2016   Prof. Michael P. Polis (Oakland University, USA)

04.-18.09.2016  Prof. Nikolai Osmolovskii   (Moscow State University of Civil Engineering and University of Technology and Humanities in Radom, Poland)

15.-19.09.2016   Prof. Alexander Kruger (Centre for Informatics and Applied Optimisation Faculty of Science and Technology, Federation University Australia)

18. - 25.09.2016   Prof. Mikhail Krastanov (Sofia University, Bulgaria)

12.-31.01.2015   Prof. Rudolf Zimka (Faculty of Economics, Matej Bel University, Banska Bystrica, Slovakia)

30.03. - 02.04.2015   Dr. Radek Cibulka (University of West Bohemia)

20. - 23.04.2015   Prof. Sebastian ANITA (University of Iasi, Romania)

04.–06.05.2015   
Prof. Nikos Stilianakis (Joint Research Center, European Commisssion, ISPRA, Italy)
Prof. Alexander Ioffe (Dept. of Mathematics, Technion, Haifa, Israel)
Prof. Helene Frankowska (CNRS and Univ. Pierre et Marie Curie, Paris, France)
Prof. Michael Hintermüller (Dept. of Mathematics, Humboldt-Universität zu Berlin, Germany)

11.-12.05.2015 Prof. Tyrell Rockafellar (University of Washington, USA)

31.08.2015   Prof. Moshe Kress (Naval Postgraduate School, Monterey, CA, USA)

09.07.2015    Prof. Jon Caulkins (Carnegie Mellon University, Pittsburgh, USA)

15.-25.09.2015   Prof. Nikolai Osmolovski (Moscow State University of Civil Engineering and University of Technology and Humanities in Radom, Poland)

19.-23.10.2015   Prof. Peter Kort (Tilburg University, NL)

26.10. - 01.11.2015   Prof. Mikhail Krastanov (Sofia University, Bulgaria)

03.-06.11.2015  Prof. Svetozar Margenov and Prof. Aneta Karaivanova
(Inst. for Information and Communication Technology, Bulgarian Academy of Science)

09.11.2015   Prof. Ferenc Szidarovszky (University of Pecs, Hungary)

16.-20.Nov.2015   Dr. Radek Cibulka (University of West Bohemia)

07.01.2014 - 10.01.2014  Prof. Peter Kort (Tilburg University, NL)

14.01.2014  Prof. Ulrike Leopold, Dr. Bednar-Friedl (Univ. Graz), Dr. Doris Behrens (Univ. Klagenfurt)

28.02.2014  Prof. Stefano Demichelis (Univ. Pavia, Italy)

10.03.2014  Prof. Pavol Brunovsky (Comenius University, Bratislava) and Prof. Mikulas Luptacik  (Wirtschaftsuniversität Wien and University of Economics in Bratislava)

11.03.2014  Dr. Mathias Staudigl (University of Bielefeld)

01.04.2014  Prof. Rudolf Zimka (Faculty of Economics, Matej Bel University, Banska Bystrica, Slovakia)

29.04.2014  Prof. Stefano Demichelis (Univ. Pavia, Italy)

08.05.2014 - 09.05.2014   Prof. Jon Caulkins (Carnegie Mellon University, Pittsburgh, USA)

27.05.2014 - 28.05.2014   Prof. Bengt-Arne Wickström (Humboldt-Univ. Berlin, Institute of Public Economics)

20.06.2014  Prof. Sergey Aseev (Moscow State University)

17.09.2014 - 19.09.2014   Dr. Radek Cibulka (University of West Bohemia)

26.09.2014 - 08.10.2014   Prof. Tzanko Donchev (Al. I.Cuza University, Romania)

10.10-2014 - 21.10.2014   Prof. Moshe Kress (Naval Postgraduate School, Monterey, CA, USA)

13.10.2014 - 17.10.2014   Prof. Peter Kort (Tilburg University, NL)

03.11.2014 - 09.11.2014   Prof. Sebastian ANITA (University of Iasi, Romania)

03.11.2014 - 28.11.2014   Prof. Tsvetomir Tsachev (Bulgarian Academy of Sciences)

17.12.2014  Prof. Willi Semmler (New School for Social Research, New York)

03.01.2013 - 31.01.2013  Prof. Tsvetomir Tsachev (Bulgarian Academy of Sciences)

14.01.2013 - 18.01.2013  Prof. Peter Kort (Tilburg University, NL)

21.01.2013 - 31.01.2013  Prof. Asen Dontchev (Univ. of Michigan, USA)

26.02.2013   Prof. Steffen Jørgensen (University of Southern Denmark)

13.03.2013 - 22.03.2013  Prof. Alexey Davydov (Vladimir State University, Russia)

14.05.2013   Prof. Ivar Ekeland (Université Paris-Dauphine)

27.05.2013 - 29.05.2013   Prof. Jon Caulkins (Carnegie Mellon University, Pittsburgh, USA)

05.10.2013 - 20.10.2013  Dr. Elza Farkhi (Tel-Aviv University)

04.11.2013 - 15.11.2013  Prof. Sebastian ANITA (University of Iasi, Romania)

12.11.2013 - 14.11.2013  Prof. Florian Wagener (University of Amsterdam)

24.11.2013 - 27.11.2013  Prof. Peter Kort (Tilburg University, NL)

17.12.2013 - 20.12.2013  Prof. Edward Kaplan (Yale School of Management)

16.01.2012 - 17.01.2012  Prof. Lars Grüne (University of Bayreuth)

01.05.2012 - 06.05.2012  Prof. Boris Mordukhovich (Wayne State University, Detroit, USA)

22.05.2012 - 30.05.2012  Prof. Tsvetomir Tsachev (Bulgarian Academy of Sciences)

27.05.2012 - 02.06.2012  Prof. Tyrell Rockafellar (University of Washington, USA)

27.07.2012  Prof. E. Savov (University of Sofia)

02.08.2012  Prof. Alexey Davydov (Vladimir State University, Russia)

02.08.2012  Dr. Anton Platov (Vladimir State University, Russia)

10.08.2012  Prof. Sergey Aseev (Moscow State University and IIASA Laxenburg)

04.11.2012 - 07.11.2012  Prof. Moshe Kress (Naval Postgraduate School, Monterey, CA, USA)

15.11.2012 - 17.11.2012  Prof. Thorsten Upmann and Dr. Stefan Behringer (University of Duisburg-Essen and University of Heidelberg, Germany) 

19.11.2012 - 16.12.2012  Dr. Anton Platov (Vladimir State University, Russia)

03.12.2012  Prof. Pavel Brunovsky (Department of Applied Mathematics and Statistics Comenius University, Bratislava)

14.01.2011  Prof.  Ronald Wendner (University of Graz,  Austria)  

25.01.2011 – 28.01.2011  Prof. Asen Dontchev (AMS and University of Michigan)

30.01.2011 – 02.02.2011  Prof. Anastasios Xepapadeas (Athens University for Economics and Business)

15.02.2011 – 30.05.2011  Irina Petrenko and Tatiana Shutkina (Vladimir State University, Vladimir, Russia)

27.03.2011 – 01.04.2011  Prof. Peter Kort (Tilburg University, NL) 

20.05.2011   Prof. Jon Caulkins (Carnegie Mellon University, Pittsburgh, USA) 

01.08.2011 – 06.08.2011  Prof. Tsvetomir Tsachev  (Institute of Mathematics and Informatics, Bulgarian Academy of Sciences)

08.08.2011 – 11.08.2011  Prof. Thierry Brechet (Université catholique de Louvain, Belgium)

08.08.2011 – 11.08.2011  Dr. Carmen Camacho (Université catholique de Louvain, Belgium)

12.10.2011 – 15.10.2011  Prof. Asen Dontchev (AMS and University of Michigan)

16.10.2011  Prof. R. Tyrrell Rockafellar (University of Washington)

02.11.2011 – 30.11.2011  Prof. Marc Quincampoix (University of Brest, France)

31.01. – 02.02.2010   Saed Moghayer (CeNDEF, University of Amsterdam)

08.02. – 12.02.2010   Prof. Hubertus Jongen (RWTH Aachen University)

08.02. – 11.02.2010   Prof. Jonathan Caulkins (CMU Pittsburgh)

07.03. – 11.03.2010   Prof. Peter Kort (Tilburg University, NL)

10.03. – 11.03.2010   Tony Huschto (IWR, University of Heidelberg, D)

24.03. – 26.03.2010    Prof. Nikos Stilianakis (Joint Research Center, European Commisssion, ISPRA, Italy)

15.06. – 16.06.2010    Federico Salvatore (University of Pisa, Italy)

23.06. – 28.06.2010    Dr. Caius Gavrila (University of Rome, Italy)

02.08. – 14.08.2010    Prof. Herbert Dawid (University of Bielefeld, D)

09.08. – 14.08.2010    Prof. Cagri Saglam (Bilkent University, Ankara)

01.11. – 30.11.2010    Prof. Tsvetomir Tsachev (Bulgarian Academy of Sciences,  Sofia)

29.11. – 30.11.2010   Tony Huschto (IWR, University of Heidelberg, D)

29.11. – 02.12.2010    Prof. Jon Caulkins (Carnegie Mellon University, Pittsburgh, USA)