was a Japanese mathematician who worked mainly in mathematical analysis and who posed the Kakeya problem and solved a version of the transportation problem. He received the Imperial Prize of the Japan Academy in 1928, and was elected to the Japan Academy in 1934.

References

* Kakeya, S. (1912-13) "On the Limits of the Roots of an Algebraic Equation with Positive Coefficients," Tohoku Mathematical Journal (First Series),2:140–142. 1886 births 1947 deaths 20th-century Japanese mathematicians University of Tokyo alumni Academic staff of the University of Tokyo Academic staff of the University of Tsukuba Laureates of the Imperial Prize {{Asia-mathematician-stub