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Kotaro Tanahashi Edit Profile

Mathematician

Kotaro Tanahashi, Japanese mathematician. Achievements include research in characterizations of S-decomposable operator; research in best possibility of The Furuta inequality; research in properties of log-hyponormal operators. Grantee Research grantee, Japan Society for the Promotion of Science, 1998-1999, since 2000. Member of Japan Mathematics Society (associate).

Background

Tanahashi, Kotaro was born on December 5, 1953 in Ikutahara, Japan. Son of Ryoiti and Mitsuko Tanahashi.

Education

Master of Science, Tohoku University, Japan, 1977. Doctor of Science, Tokyo Metropolitan University, 1992.

Career

Teacher of mathematics Rubeshibe High School, Japan, 1977—1979. Instructor Tohoku Pharmaceutical University, Sendai, Japan, 1979—1994, assistant professor, since 1994.

Achievements

  • Achievements include research in characterizations of S-decomposable operator. Research in best possibility of The Furuta inequality. Research in properties of log-hyponormal operators.

Membership

Member of Japan Mathematics Society (associate).

Connections

Married Shoko Sawasato, January 30, 1955. Children: Ryuta, Hiroki, Ai.

father:
Ryoiti Tanahashi

mother:
Mitsuko Tanahashi

spouse:
Shoko Sawasato

child:
Ryuta Tanahashi

child:
Hiroki Tanahashi

child:
Ai Tanahashi