- Why rational trigonometry?
- What is rational trigonometry?
- Geometry on a finite field
- An example of universal geometry: The Euler line and 9 point circle in a finite field

Christopher Halse Rogers

University of New South Wales

MSRI Summer School - Reed College, 20th June - 1st July, 2005

My thanks to the organisers and fellow participants of the school, particularly
David for his valiant attempts to fix the problems with the BSP and all
the people in the other room who put up with my continual self-commentary.