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Tadao Tannaka (淡中 忠郎?, December 27, 1908 - October 25, 1986) was a Japanese mathematician. He is best known for developing the theory of Tannaka–Krein duality, which generalizes Pontryagin duality to noncommutative compact groups.

Tannaka was born in Ehime Prefecture. After receiving a Bachelor of Science in mathematics from Tohoku Imperial University, he was appointed a lecturer in the university in 1934 and was promoted to a full professor in 1945.


References

* "淡中忠郎 とは" (in Japanese). Kotobank. http://kotobank.jp/word/淡中忠郎.
* "Tadao Tannaka: 1908--1986". Tohoku Math. J. 39 (2). 1987. http://projecteuclid.org/DPubS?verb=Display&version=1.0&service=UI&handle=euclid.tmj/1178228363&page=record.

Mathematician

Mathematics Encyclopedia

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