Zuming Feng

103 Trigonometry Problems

2008

USA and International Mathematical Olympiads, 2005

2006

USA and International Mathematical Olympiads, 2004

2005

102 Combinatorial Problems

2003

Mathematical olympiads 2000-2001

2003

Mathematical Olympiads, 1999-2000

2002

USA and International Mathematical Olympiads, 2001

2002

USA and International Mathematical Olympiads 2000

2001

Mathematical Olympiads, 1998-1999

2000