Kiyosi Itô

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Kiyosi Itô
University of Kyoto
Doctoral advisorShokichi Iyanaga
Doctoral studentsShinzo Watanabe

Kiyosi Itô (伊藤 清, Itō Kiyoshi, Japanese pronunciation:

stochastic differential geometry, invited for the ICM in Stockholm
.

Overview

Itô (right) with Issei Shiraishi in 1935. Shiraishi later became a mathematician.

Itô pioneered the theory of

stochastic differential geometry.[2]

Although the standard Hepburn romanization of his name is Kiyoshi Itō, he used the spelling Kiyosi Itô (Kunrei-shiki romanization). The alternative spellings Itoh and Ito are also sometimes seen in the West.

Biography

Kiyosi Itô (right) with Seizō Itō in 1937. Seizō is Kiyosi's brother. Seizō later became a mathematician.

Itô was born in

Itō calculus
. After that he continued to develop his ideas on stochastic analysis with many important papers on the topic.

In 1952, he became a professor at the

Stanford, the Institute for Advanced Study in Princeton, New Jersey, and Aarhus University
in Denmark.

Itô was awarded the inaugural

King of Spain
on his behalf. Later, International Mathematics Union (IMU) President Sir John Ball personally presented the medal to Itô at a special ceremony held in Kyoto.

In October 2008, Itô was honored with Japan's Order of Culture, and an awards ceremony for the Order of Culture was held at the Imperial Palace.[4]

Itô wrote in Japanese, Chinese, German, French and English.

He died on November 10, 2008, in

Kyoto, Japan
, at age 93.

Scientific works of Kiyosi Itô

Itô at the Cabinet Statistics Bureau in 1940
  • Kiyosi Itô (1940). "On the Probability Distribution on a Compact Group".
    Proceedings of the Physico-Mathematical Society of Japan
    . 3rd Series. 22 (12): 977–998.

Notes

References

See also

External links