These talks will be self-contained presentations of mathematical concepts and theorems. They are intended to be accessible to all mathematics
students.  Coffee, tea and drinks will be provided.

Almost everyone will know M.C. Escher, the famous Dutch artist, whose later work has very strong links to mathematics. Michele Emmer's film explores this relationship and uses the possibilities of this medium to full extent to show spectacular examples of Escher's work. The related mathematics is explained and skillfully visualised. Several well-known mathematicians, including H.M.S. Coxeter and Roger Penrose, appear in the film, commenting on some of the material.