Hilary Spring is a senior at Mount Holyoke College in South Hadley, Massachusetts. She will graduate with an AB in Mathematics and Philosophy in May 2006. The work in this paper was completed during the summer of 2005 at the Rose Hulman Institute of Technology under the guidance of Kurt Bryan, and made possible by an NSF-REU grant 0352940.
Dr. Kurt Bryan, Professor of Mathematics,
Rose-Hulman Institute of Technology