2022. 03. 25. 14:00 - 2022. 03. 25. 15:30 ZOOM GeoScape Geometry - - Event type: seminar Intézeti: Intézeti webpage Budapest Big Combinatorics + Geometry Seminar Description Daniel McGinnis: A family of convex sets in the plane satisfying the (4,3)-property can be pierced by nine points.