Gaisi Takeuti
Japanese mathematician (1926–2017) / From Wikipedia, the free encyclopedia
Gaisi Takeuti (竹内 外史, Takeuchi, Gaishi, January 25, 1926 – May 10, 2017[1]) was a Japanese mathematician, known for his work in proof theory.[2]
Quick Facts Born, Died ...
Gaisi Takeuti | |
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竹内 外史 | |
Born | (1926-01-25)January 25, 1926 |
Died | May 10, 2017(2017-05-10) (aged 91) |
Nationality | Japanese |
Education | Tokyo University |
Alma mater | Princeton |
Known for | Work in proof theory |
Scientific career | |
Fields | Mathematics |
Institutions | University of Illinois at Urbana–Champaign |
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After graduating from Tokyo University, he went to Princeton to study under Kurt Gödel. He later became a professor at the University of Illinois at Urbana–Champaign. Takeuti was president (2003–2009) of the Kurt Gödel Society, having worked on the book Memoirs of a Proof Theorist: Godel and Other Logicians. His goal was to prove the consistency of the real numbers. To this end, Takeuti's conjecture speculates that a sequent formalisation of second-order logic has cut-elimination.[3] He is also known for his work on ordinal diagrams with Akiko Kino.