This tee-shirt encapsulates two of the topics studied by participants in REACH (Research Experiences in Algebraic Combinatorics at Harvard) during the 2002-2003 academic year.
The undergraduate participants in REACH were Nick Anzalone, John Baldwin, Reid Barton, Trevor Bass, Amanda Beeson, Ilya Bronshtein, Gabriel Carroll, Adri Chaikin, Kezia Charles, Alice Cheng, Dennis Clark, Daniel Corson, Anton Geraschenko, John Gonzalez, Neil Herriot, Andy Itsara, Siddique Khan, Jen Krishnan, Cecilia Lam, Ian Le, Ananda Leininger, Greta Panova, Gregory Price, Elnatan Reisner, Rui Viana, Dan Zaharopol, and Inna Zakharevich.
Graduate students David Offner, Kyle Petersen, and Anna Varvak served as Graduate Interns. REACH alumnus David Speyer was also involved, as was Professor Dylan Thurston. Professor James Propp supervised the work.
Funding for REACH was provided by the National Science Foundation and the National Security Agency, with additional support from the Harvard University mathematics department.
See http://jamespropp.org/reach for more information on the program.