Chair: Emil Molnár
Egon Schulte: Classification of Regular and Chiral Polytopes by Topology – 00:00-29:30
Robert Thijs Kozma and Jenő Szirmai: Symmetries of Horoball Packings Related to Famous 3-Dimensional Hyperbolic Tilings – 29:30-55:18
Emil Molnár: On the 8 Homogeneous 3-Geometries where Crystals Can Grow – 55:18-01:31:56