Mathematician:Soichi Kakeya

Mathematician

Japanese mathematician who worked mainly in mathematical analysis

Posed the Kakeya Problem.

Solved a version of the desert crossing problem.

Nationality

Japanese

History

• Born: 18 January 1886
• Died: 9 January 1947

Theorems and Definitions

• Kakeya Problem
• Kakeya Conjecture
• Eneström-Kakeya Theorem (with Gustaf Hjalmar Eneström)
• Kakeya's Constant (also known as the Bloom-Schoenberg number, for Melvin Bloom and Isaac Jacob Schoenberg)

• Kakeya Set (also known as a Besicovitch Set, for Abram Samoilovitch Besicovitch)

Results named for Soichi Kakeya can be found here.

Definitions of concepts named for Soichi Kakeya can be found here.

Publications

• 1917: Some problems on maximum and minimum regarding ovals (Tohoku Science Reports Vol. 6: pp. 71 – 88)

Also known as

In Japanese: 掛谷 宗

In Western script, usually rendered with a diacritic: Sōichi Kakeya

Can also be rendered Kakeya Sōichi.