Seminar - Pentagonal geometries

Speaker: Terry Griggs (The Open University)

Abstract: There is a standard way of generalising a polygon (n–gon).  But the only finite examples are the polygons themselves or n = 3, 4, 6 or 8. In particular there are no generalised pentagons.  In 2012, Simeon Ball et alia published a paper giving an alternative way to generalise a pentagon, so-called Pentagonal Geometries.  In this talk I will define these, give examples and present what is known and what still needs to be explored about the interesting structures.

This is joint work with Klara Stokes of the University of Umea, Sweden.

This is a face-to-face talk only. Tea and coffee will be served in the common area from 13.30.