Tiling: Chessboards and polyominos
Maths circle meeting on 03 December 2025 (18-21 h)
Room and time: virtual/online with the video conferencing software Zoom (Paderborn University campus licence) from 10:00 to 13:00 (on Sat 29 Nov 2025) or 18:00-21:00 (on Wed 03 Dec 2025)
Leader of the workshop: Dr Kerstin Hesse
Description: The simplest of the chessboard problems is well known: We cut out the two opposite white corner squares from a…
Catalan numbers
Maths circle meeting on 21 January 2026 (18-21 h)
Room and time: virtual/online with the video conferencing software Zoom (Paderborn University campus licence) from 18:00 to 21:00 (on Wed. 21.01.2026) 10:00 to 13:00 (on Sat. 24.01.2026)
Leader of the workshop: Dr Kerstin Hesse
Description: In how many different ways can a plane convex n-square be decomposed into triangles by connecting vertices? Decompositions that merge into…
Catalan numbers
Maths circle meeting on 24 January 2026 (10 am - 1 pm)
Room and time: virtual/online with the video conferencing software Zoom (Paderborn University campus licence) from 18:00 to 21:00 (on Wed. 21.01.2026) 10:00 to 13:00 (on Sat. 24.01.2026)
Leader of the workshop: Dr Kerstin Hesse
Description: In how many different ways can a plane convex n-square be decomposed into triangles by connecting vertices? Decompositions that merge…
