## Curriculum Vitae

1961 Born

1984.3 Graduated from Dept. of Math., Univ. of Tokyo

1986.3 Graduated from Master course of Dept. of Math., Univ. of Tokyo

1987.1 Withdrew from Doctor course of Dept. of Math., Univ. of Tokyo

1987.2- Assistant at Dept. of Math., Univ. of Tokyo

1990.6- Lecturer at Dept. of Math., Univ. of Tokyo

1992.4- Assistant Professor at Dept. of Math. Sciences, Univ. of Tokyo

1999.10- Professor at Dept. of Math. Sciences, Univ. of Tokyo

Degree

Doctor of Science (University of Tokyo) 1989.9.27

Prizes

Algebra prize 1998.9,

Spring prize of Math. Soc. Japan 2001.3