Lectures (Abroad):
- Sorbonne Université and Université Paris Cité, CNRS, IMJ-PRG, May 2025. (invited speaker)
- University of la Laguna, Department of Mathematics, (Tenerife/Spain), June 2023. (invited speaker)
- The Hebrew University of Jerusalem, Einstein Institute of Mathematics, KU-Jerusalem Lunch seminar, (Jerusalem/Israel), April 2023 (invited speaker)
- Institute of Mathematics of the Romanian Academy: Simion Stoilow, (Bucharest/Romania), May 2022. (invited speaker)
- University of la Laguna, Department of Mathematics, (Tenerife/Spain), January 2022. (invited speaker)
- University of la Laguna, Department of Mathematics, (Tenerife/Spain), September 2021. (invited speaker)
- University of la Laguna, Department of Mathematics, (Tenerife/Spain), June 2019. (invited speaker)
- University of Ovidius, Faculty of Mathematics and Computer Science, International conference, Combinatorial structures in algebra and geometry, (Constanta/Romania), August 2018.
- University of Valladolid, International conference, EACA'S Second International School On Computer Algebra and Applications, (Valladolid/Spain), June 2013.
- Çankırı Karatekin University, Department of Mathematics, International conference, Karatekin Mathematics Days, (Cankiri/Turkey), June 2011. (invited speaker)
Lectures (in Greece):
- (upcoming...) University of Crete, Department of Mathematics, 10th GANT, May 2025 (invited speaker)
- Greek Algebra & Number Theory Seminar, May 2025 (invited speaker)
- University of the Aegean, Department of Mathematics, December 2024
- Combinatorics and Geometry in Ioannina (International Conference) 2024, September 2024 (invited speaker)
- University of Western Macedonia, Department of Mathematics, March 2024 (invited speaker)
- Aristotle University of Thessaloniki, Department of Mathematics, 9th pan-Hellenic Algebra and Number Theory Conference, May 2023 (invited speaker)
- University of the Aegean, Department of Mathematics, April 2023
- National Technical University of Athens, SCGM-2022, July 2022 (invited speaker)
- University of Ioannina, Department of Mathematics, May 2022 (invited speaker)
- University of Ioannina, Department of Mathematics, September 2021 (invited speaker)
- University of the Aegean, Department of Statistics and Actuarial-Financial Mathematics, Main speaker: Seminar on Algebraic Statistics (MSc program), May 2020 (invited speaker)
- Aristotle University of Thessaloniki, Department of Mathematics, April 2019 (invited speaker)
- University of Ioannina, Department of Mathematics, November 2018
- University of Ioannina, Department of Mathematics, May 2016 (invited speaker)
- Aristotle University of Thessaloniki, Department of Mathematics, March 2016
- University of Ioannina, Department of Mathematics, December 2015
- University of the Aegean, Department of Mathematics, May 2015
- University of the Aegean, Department of Mathematics, December 2014
- Aristotle University of Thessaloniki, Department of Mathematics, November 2013 (invited speaker)
- University of Ioannina, Department of Mathematics, September 2011
- Aristotle University of Thessaloniki, Department of Mathematics, May 2011
- University of Ioannina, Department of Mathematics, November 2007
Other public lectures:
- Lyceum of Petras (Mitilini/Lesvos), Topic: "Mathematics without equations", March 2017.