MATHEMATICIAN

Kiyosi Itô

1915 - 2008

Photo of Kiyosi Itô

Icon of person Kiyosi Itô

Kiyosi Itô (伊藤 清, Itō Kiyoshi, Japanese pronunciation: [itoː kiꜜjoɕi], September 7, 1915 – 10 November 2008) was a Japanese mathematician who made fundamental contributions to probability theory, in particular, the theory of stochastic processes. He invented the concept of stochastic integral and stochastic differential equation, and is known as the founder of so-called Itô calculus. Read more on Wikipedia

Since 2007, the English Wikipedia page of Kiyosi Itô has received more than 162,843 page views. His biography is available in 29 different languages on Wikipedia (up from 26 in 2019). Kiyosi Itô is the 298th most popular mathematician (up from 315th in 2019), the 560th most popular biography from Japan (up from 607th in 2019) and the 3rd most popular Japanese Mathematician.

Memorability Metrics

  • 160k

    Page Views (PV)

  • 56.76

    Historical Popularity Index (HPI)

  • 29

    Languages Editions (L)

  • 5.22

    Effective Languages (L*)

  • 2.78

    Coefficient of Variation (CV)

Page views of Kiyosi Itô by language

Over the past year Kiyosi Itô has had the most page views in the with 28,821 views, followed by English (28,806), and Chinese (7,083). In terms of yearly growth of page views the top 3 wikpedia editions are Belarusian (218.18%), Min Dong (158.33%), and Catalan (136.98%)

Among MATHEMATICIANS

Among mathematicians, Kiyosi Itô ranks 298 out of 1,004. Before him are Issai Schur, William George Horner, Yi Xing, Liu Xin, Vergilius of Salzburg, and Olga Ladyzhenskaya. After him are Peter Ludwig Mejdell Sylow, Georg Alexander Pick, Giambattista Benedetti, Alan Baker, Jakow Trachtenberg, and Vitello.

Most Popular Mathematicians in Wikipedia

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Contemporaries

Among people born in 1915, Kiyosi Itô ranks 75. Before him are Gretl Braun, Don Budge, Joseph Greenberg, Georgy Sviridov, Kunihiko Kodaira, and Hanns Martin Schleyer. After him are Thomas Merton, Arsenio Erico, Sister Rosetta Tharpe, Alicia Rhett, Kon Ichikawa, and Liisi Oterma. Among people deceased in 2008, Kiyosi Itô ranks 79. Before him are Bettie Page, Anthony Minghella, Don S. Davis, Daniel Carleton Gajdusek, Bernardin Gantin, and Khertek Anchimaa-Toka. After him are Michael DeBakey, Leyla Gencer, Eva Dahlbeck, Gerard Damiano, Cyd Charisse, and Joseph M. Juran.

Others Born in 1915

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Others Deceased in 2008

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In Japan

Among people born in Japan, Kiyosi Itô ranks 560 out of 6,245. Before him are Ankō Itosu (1831), Jiro Taniguchi (1947), Ken Kutaragi (1950), Hosokawa Gracia (1563), Gosho Aoyama (1963), and Mikio Naruse (1905). After him are Emperor Horikawa (1079), Hibari Misora (1937), Hiroshi Amano (1960), Sakanoue no Tamuramaro (758), Shintaro Ishihara (1932), and Uesugi Kagekatsu (1556).

Others born in Japan

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Among MATHEMATICIANS In Japan

Among mathematicians born in Japan, Kiyosi Itô ranks 3. Before him are Seki Takakazu (1642), and Kunihiko Kodaira (1915). After him are Heisuke Hironaka (1931), Goro Shimura (1930), Yutaka Taniyama (1927), Mikio Sato (1928), Shigefumi Mori (1951), Kenkichi Iwasawa (1917), Yasumasa Kanada (1948), Shinichi Mochizuki (1969), and Christopher Zeeman (1925).

Japanese born Mathematicians

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