- Manuel González-Regader, September 2025.,
University of Seville, Spain - Luke Morgan, September 2025.,
University of Western Australia, Australia - Giusy Monzillo, June/July 2024.,
University of Primorska, Koper, Slovenia - Lucas Backes, June/July 2025.,
Universidade Federal do Rio Grande do Sul, Brazil - Moshe Cohen, June 2025.,
State University of New York, New Paltz, USA - Valentin Katter, May 2025.,
University of Bielefeld, Germany - Mihail Pituk, May 2025.,
University of Pannonia, Hungary - Juho Leppanen, March 2025.,
Tokai University, Japan - Safet Penjić, March 2025.,
University of Primorska, Koper, Slovenia - Blas Fernandez, March 2025.,
University of Primorska, Koper, Slovenia - Mila Zovko, February/March 2025.,
Faculty of Science and Education, University of Mostar, Bosnia and Herzegovina - Konrad Krainer, September 2024.,
University of Klagenfurt, Austria - Nadine Grapin, September 2024.,
Universite Paris XII Val de Marne, France - Julia Pilet, September 2024.,
Universite Paris XII Val de Marne, France - Françoise Chenevotot, September 2024.,
Universite Paris XII Val de Marne, France - Pilar Sabariego, September 2024.,
Federacion Espanola de Sociedades de profesores de Matematicas, Spain - Claudia Lázaro, September 2024.,
Federacion Espanola de Sociedades de profesores de Matematicas, Spain - Konstantinos Tatsis, September 2024.,
University of the Aegean, Greece - Georgios Fessais, September 2024.,
University of the Aegean, Greece - Karin Sällström, September 2024.,
Linneus University, Sweden - Susanne Erlandsson, September 2024.,
Linneus University, Sweden - Miglena Asenova, September 2024.,
Free University of Bozen – Bolzano, Italy - Michael Gaidoschik, September 2024.,
Free University of Bozen – Bolzano, Italy - Rachel Berg, September 2024.,
University of Bielefeld, Germany - Michael Kleine, September 2024.,
University of Bielefeld, Germany - Andrea Peter-Coop, September 2024.,
University of Bielefeld, Germany - Samuel Alvarez Coronado, September 2024.,
University of Bielefeld, Germany - Leon Brings, September 2024.,
University of Bielefeld, Germany - Robin Chemnitz, September 2024.,
Freie Universitaet Berlin, Germany - Blas Fernandez, July 2024.,
University of Primorska, Koper, Slovenia - Safet Penjić, March 2024.,
University of Primorska, Koper, Slovenia - Giusy Monzillo, March 2024.,
University of Primorska, Koper, Slovenia - Roghayeh Maleki, March 2024.,
University of Primorska, Koper, Slovenia - Mila Zovko, February/March 2024.,
Faculty of Science and Education, University of Mostar, Bosnia and Herzegovina - Nino Bašić, November 2024.,
University of Primorska, Koper, Slovenia - Tomaž Pisanski, September 2024.,
University of Primorska, Koper, Slovenia - Cheryl Praeger, July 2023.,
University of Western Australia, Australia - Bernardo Rodrigues, July 2023.,
University of KwaZulu-Natal, South Africa - Robert Bailey, July 2023.,
Grenfell Campus, Memorial University of Newfoundland, Canada - Ronan Egan, June-July 2023.,
Dublin City University, Ireland - Jesse Lansdown, June-July 2023.,
University of Canterbury, New Zealand - Maarten De Boeck, June-July 2023.,
University of Memphis, SAD - Ivanna Andrusyak, Oksana Brodyak, Vita Baksa, Maria Kuchma, Oksana Oryshchyn,
June-July 2023.,
Lviv Polytechnic University, Ukraine - William Mance, June 2023.,
University of Adam Mickiewicz, Poland - Cecilia Gonzalez-Tokman, June 2023.,
University of Queensland, Australia - Wenmeng Zhang, June 2023.,
Chongqing Normal University, China - Lucas Backes, April-May 2023.,
Universidade Federal do Rio Grande do Sul, Brazil - Mihaly Pituk, April 2023.,
University of Pannonia, Hungary - Blas Fernandez, January 2023. i March-April 2023.,
University of Primorska, Koper, Slovenia - Robert Bailey, June 2022.,
Memorial University of Newfoundland, Canada - Sam Adriaensen, June 2022.,
Vrije Universiteit Brussel, Belgium - Mihaly Pituk, May 2022.,
University of Pannonia, Hungary - Jozefien D’haeseleer, May 2022.,
Ghent University, Belgium - Lucas Backes, May 2022.,
Universidade Federal do Rio Grande do Sul, Brazil - Sjanne Zeijlmaker, April 2022.,
Eindhoven University of Technology, Netherlands - Blas Fernandes, November 2021. i February 2022.,
FAMNIT, University of Primorska, Slovenia - Gabrijela Kehler-Poljak, September 2020.
Universitat Bielefeld, Germany - Paolo Giulietti, September 2020.
Scuola Normale Superiore Pisa, Italy - Julien Sedro, September 2020.
Sorbonne Universite, France - Matthew Cordes, August 2020.
ETH, Switzerland - Tobias Hartnick, August 2020.
KIT Karlsruhe, Germany - Štefko Miklavič, March 2020.
FAMNIT Univerza na Primorskem, Slovenia - Mila Zovko, February-March 2020.
Faculty of Science and Education, University of Mostar, Bosnia and Herzegovina - Ivan Bailera Martin, September 2019.
Universitat Autonoma de Barcelona, Spain - Leo Storme, September 2019.
Ghent University, Belgium - Francesco Pavese, July 2019.
Politechnico di Bari, Italy - Asia Ivić Weiss, May 2019.
York University, Toronto, Canada - Samir Hodžić, May 2019.
FAMNIT Univerza na Primorskem, Slovenia - Nastja Cepak, May 2019.
FAMNIT Univerza na Primorskem, Slovenia - Luke Morgan, April 2019.
FAMNIT Univerza na Primorskem, Slovenia - Paolo Giulietti, January 2019.
Scuola Normale Superiore Pisa, Italy - Oleg Klesov, December 2018.
Kyiv Polytechnic Institute, Ukraine - Leonard Rubin, October 2018.
University of Oklahoma, USA - Ivan Bailera Martin, September – December 2018.
Universitat Autonoma de Barcelona, Španjolska - Daniele Bartoli, July 2018.
Universita di Perugia, Italy - Bernardo Rodrigues, March 2018.
University of KwaZulu-Natal, South Africa - Klavdija Kutnar, January 2018.
FAMNIT Univerza na Primorskem, Slovenia - Tobias Hartnick, August 2017.
Technion, Izrael - Padraig O`Cathain, July 2017.
Worcester Polytechnic Institute, USA - Leo Storme, May 2017.
Ghent University, Belgium - Marko Orel, September 2016. – January 2017.
University of Primorska, Slovenia - Dragan Marušić, October 2016.
University of Primorska, Slovenia - Živorad Tomovski, 1.10.2014.-30.9.2016. (NEWFELPRO project)
- Asia Ivić Weiss, July 2016.
York University, Canada - Burcu Cinarici, June 2016.
Piri Ries University, Turkey - Vladimir Tonchev, May-June 2016.
Michigan Technological University, USA - Aner Shalev, February 2016.
Einstein Institute of Mathematics, Hebrew University of Jerusalem - Klavidja Kutnar, January 2016.
University of Primorska, Slovenia - Shunsuke Yamana, September-October 2015.
Kyoto University, Kyoto, Japan - Leonard Rubin, September 2015.
University of Oklahoma, SAD - Harald Grobner, September 2015.
University of Vienna, Austrija - Atsushi Ichino, September 2015.
Kyoto University, Kyoto, Japan - Leo Storme, September 2015.
University of Ghent, Belgium - Matias Victor Moya Giusti, June 2015.
Université Paris Diderot – Paris 7, France - Leo Storme, May 2015.
University of Ghent, Belgium - Ciprian Preda, May 2015.
Department of Mathematics, West University of Timisoara, Romania - Sascha Biberhofer, February 2015.
University of Vienna, Austria - Jing Feng Lau, January 2015.
National University of Singapore, Singapur - Sascha Biberhofer, November 2014.
University of Vienna, Austria - Shunsuke Yamana, September 2014.
Kyushu University, Fukuoka, Japan and Institut de mathematiques de Jussieu, Paris, France - Sascha Biberhofer, August 2014.
University of Vienna, Austria - Leo Storme, May 2014.
University of Ghent, Belgium - Harald Grobner, May 2013.
University of Vienna, Austria - Leo Storme, May 2013.
University of Ghent, Belgium - Krešimir Veselić, May – July 2010.
Fernuniversität Hagen, Germany