• 6-9 June 2022, Michael Coons, Universität Bielefeld.
• 6-13 November 2022, John Blackman, University of Liverpool.
• 27-31 March 2023, Jaroslav Hancl, University of Ostrava.
• 24- 30 April 2023, Jaroslav Hancl, University of Ostrava.
• 6-10 November 2023, Ayreena Bakhtawar, Scoula Normale Superiore di Pisa.
• 15-18 April 2024, Victor Shirandami, University of Manchester.
• 13-23 December 2024, Nikita Shulga, La Trobe University.
• 20-24 December 2024, Ameer Hamza, Lahore University of Management Sciences.
• 16-20 June 2025, Noy Soffer-Aranov, University of Utah.
• 19-20 June 2025, Florian Luca, Stellenbosch University.
• 19-20 June 2025, Wadim Zudilin, Radboud University.