Background
Hitotumatu, Sin was born on March 6, 1926 in Tokyo. Son of Mitosi and Yayoi (Nakayama) Hitotumatu.
Hitotumatu, Sin was born on March 6, 1926 in Tokyo. Son of Mitosi and Yayoi (Nakayama) Hitotumatu.
Bachelor of Science, University Tokyo, 1947. Doctor of Science, University Tokyo, 1954.
Associate professor St. Paul's University, Tokyo, 1952-1955, professor, 1962-1969. Associate professor University Tokyo, 1955-1962. Professor mathematics Kyoto (Japan) University, 1969-1989, professor emeritus, since 1989.
Professor department computer science Tokyo Denki University, Hatoyama, Japan, 1989-2000.
Member Mathematics Society Japan (executive 1970-1975), Information Processing Society (chairman numerical analysis section 1984-1988), Japan Association mathematics Education (adviser 1987).
Married Mutuko Chikasue, May 30, 1964. Children: Akira, Takesi.