Jun-Ichi Igusa
| Jun-Ichi Igusa | |
|---|---|
| Born | 30 January 1924 |
| Died | 25 November 2013 (aged 89) |
| Nationality | Japanese |
| Fields | Mathematics |
| Institutions | Johns Hopkins University |
| Alma mater | Kyoto University |
| Doctoral students |
Hiroshi Gunji Donald McQuillan Tetsuji Shioda |
| Known for | Igusa zeta-function |
Jun-Ichi Igusa (井草 準一? Igusa Jun’ichi, 30 January 1924 − 25 November 2013) was a Japanese mathematician who for over three decades was on the faculty at Johns Hopkins University. He is known for his contributions to algebraic geometry and number theory. The Igusa zeta-function, the Igusa quartic, Igusa subgroups, Igusa curves, and Igusa varieties are named after him.
He was an invited speaker for the 1962 ICM in Stockholm. He was awarded Japan's Order of the Sacred Treasure. In 2012 he became a fellow of the American Mathematical Society.
He has three sons, Kiyoshi, Takeru and Mitsuru. Takeru Igusa is a professor of civil engineering at Johns Hopkins University. Kiyoshi Igusa is a professor of mathematics at Brandeis University.
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