# Mathematician:Soichi Kakeya

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## Contents

## Mathematician

Japanese mathematician who worked mainly in mathematical analysis

Posed the Kakeya Problem.

Solved a version of the Transportation 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**.