PHOTOS
Koln, Germany1987/8 |
Kiev 1989/8 |
Moskow University 1989/8 |
---|---|---|
1990/06 | Paris 1990/07 |
Guilin, China (桂林) 1990/07 |
Beijing (北京) 1990/07 |
Kremlin, Moskow 1992/07 |
Hong Kong 1994/07 |
Istanbul University 1993/07 |
My wife 1993/07 |
My wife 1994/08 |
Rice ball 1995/07 |
Munbai, India (ボンベイ) 1996/07 |
2006/03 |
2002/08 |
Ko Phuket, Thai (プーケット) 2007/08 |
Hong Kong 2008/08 |
2015/11 |
Penang, Malaysia (ペナン島) 2010/08 |
Beijin 2009/12 |
Please visit Japan ! 2010/03 |
Guam, USA 2013/04 |
Cappadocia, Turkey (カッパドキア) 2016/03 |
Problem Selection Committee of International Mathematical Olympiad 2023/06