Related research:
	Greg W. Anderson University of Minnesota gwanders@math.umn.edu http://www.math.umn.edu/~gwanders
	John E. Cremona University of Nottingham John.Cremona@nottingham.ac.uk http://www.maths.nott.ac.uk/personal/jec
	J. R. Merriman University of Kent at Canterbury J.R.Merriman@ukc.ac.uk http://www.ukc.ac.uk/IMS/maths/people/J.R.Merriman.html
	Catherine H. O'Neil Massachusetts Institute of Technology coneil@math.mit.edu http://www-math.mit.edu/~coneil
	Fernando Rodriguez Villegas The University of Texas at Austin villegas@math.utexas.edu http://www.math.utexas.edu/~villegas
	Samir Siksek Sultan Qaboos University (Oman) siksek@squ.edu.om
	Nigel P. Smart University of Bristol nigel@cs.bris.ac.uk http://www.cs.bris.ac.uk/~nigel
	John Tate The University of Texas at Austin