How to Pronounce Kiyoshi Oka
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Apr 19, 1901 Ōsaka, Ōsaka Prefecture, Japan Died on 01 Mar 1978 (aged 76)
Japanese mathematician who worked in the theory of several complex variables
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Kiyoshi Oka, Date of Birth, Place of Birth, Family, Facts, Age, Net Worth, Biography and More in FamedBorn.com
About Kiyoshi Oka
- Kiyoshi Oka (? ?, Oka Kiyoshi, April 19, 1901 – March 1, 1978) was a Japanese mathematician who did fundamental work in the theory of several complex variables.
- He was born in Osaka.
- He went to Kyoto Imperial University in 1919, turning to mathematics in 1923 and graduating in 1924. He was in Paris for three years from 1929, returning to Hiroshima University.
- He published solutions to the first and second Cousin problems, and work on domains of holomorphy, in the period 1936–1940.
- These were later taken up by Henri Cartan and his school, playing a basic role in the development of sheaf theory.
- Oka continued to work in the field, and proved Oka's coherence theorem in 1950.
- Oka's lemma is also named after him. He was professor at Nara Women's University from 1949 to retirement at 1964.
- He received many honours in Japan.
