Takeo Ohsawa Author & Editor

Professor Kengo Hirachi is a full professor at the University of Tokyo and awarded the 2006 Bergman prize. Aldo he was an invited speaker of ICM 2014 (analysis section).

Professor Takeo Ohsawa is a professor emeritus of Nagoya University. He was also an invited speaker of ICM 1990. 

Professor Shigeharu Takayama is a full professor of the University of Tokyo. 

Professor Joe Kamimoto is a full professor of Kyushu University.