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Shokichi Iyanaga

Shokichi Iyanaga
Iyanaga Shōkichi.jpg
Born (1906-04-02)April 2, 1906
Tokyo, Japan
Died June 1, 2006(2006-06-01) (aged 100)
Tokyo, Japan
Nationality Japanese
Fields Mathematics
Institutions University of Tokyo
Nagoya University
Alma mater University of Tokyo
Doctoral advisor Teiji Takagi
Doctoral students Goro Azumaya
Yasutaka Ihara
Kiyoshi Itō
Kenkichi Iwasawa
Kunihiko Kodaira
Michio Kuga
Takashi Ono
Mikio Sato
Michio Suzuki
Gaisi Takeuti
Tsuneo Tamagawa
Hidehiko Yamabe
Notable awards Légion d'honneur

Shokichi Iyanaga (彌永 昌吉 Iyanaga Shōkichi?, April 2, 1906 – June 1, 2006) was a Japanese mathematician.

Iyanaga was born in Tokyo, Japan on April 2, 1906. He studied at the University of Tokyo from 1926 to 1929. He studied under Teiji Takagi. As an undergraduate, he published two papers in the Japanese Journal of Mathematics and the Proceedings of the Imperial Academy of Tokyo. Both of his papers appeared in print in 1928. After completing his undergraduate degree in 1929, he stayed at Tokyo and worked under Takagi for his doctorate. He completed his Ph.D. in mathematics 1931.

In 1931, Iyanaga obtained a scholarship from the French government. He also went to Hamburg, Germany where he studied with Austrian mathematician Emil Artin. In 1932, he attended the International Congress of Mathematicians in Zurich. During his time in Europe, he met with top mathematicians such as Claude Chevalley, Henri Cartan, and others.

Iyanaga returned to Tokyo in 1934 and was appointed Assistant Professor at the University of Tokyo. From 1935 to 1939, he didn't publish any research papers. According to Iyanaga, it was because of the pressure of teaching and other business to which he was not accustomed. He managed to solve a question of Artin on generalizing the principal ideal theorem and this was published in 1939.


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