2002 | Euler Group | Pythagoras Group | |
2003 | Done in 2004 | Returning Group | |
2004 | Gauss Group | Cauchy Group | Hilbert Group |
2005 | Cauchy Group | Hilbert Group | Descartes Group |
2006 | Cauchy Group | Descartes Group | Hilbert Group |
2007 | Cauchy Group | Gauss Group | Euler Group |
2008 | Cauchy Group | Gauss Group | Euler Group |
2009 | Godel Group | Kovalevsky Group | Ramanujan Group |