Wed 4 Nov 2026, 5.00–8.00 pm: Online workshop ‘Pentominos and similar puzzles’ organised by the Paderborn Maths Circle (via Zoom/Teams)Further information is available here: math.upb.de/mathezirkel

Wed 18 Nov 2026, 5.00–8.00 pm: Online workshop ‘The Butterfly Theorem’ organised by the Paderborn Maths Circle (via Zoom/Teams) The flyer containing all the details and the registration form are available online on the website. Participation is completely free of charge, and a certificate of attendance will be issued at the end of the half-year. For full details and registration, visit: math.upb.de/mathezirkel

The leaflet containing all the information and the registration form are available online on the website. Participation is completely free of charge, and a certificate of attendance will be issued at the end of the half-year. For full details and registration, visit: math.upb.de/mathezirkel

The leaflet containing all the information and the registration form are available online on the website. Participation is completely free of charge, and at the end of the half-year you will receive a certificate of attendance. For full details and registration, visit: math.upb.de/mathezirkel