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Yutaka Taniyama : ウィキペディア英語版 | Yutaka Taniyama
Yutaka Taniyama (Japanese: 谷山 豊 ''Taniyama Yutaka'';〔Taniyama's given name 豊 was intended to be read as ''Toyo'', but was frequently misread as the more common form ''Yutaka'', which he eventually adopted as his own name.〕 12 November 1927, Kisai near Tokyo – 17 November 1958, Tokyo) was a Japanese mathematician known for the Taniyama–Shimura conjecture. ==Contribution== Taniyama was best known for conjecturing, in modern language, automorphic properties of L-functions of elliptic curves over any number field. A partial and refined case of this conjecture for elliptic curves over rationals is called the Taniyama–Shimura conjecture or the modularity theorem whose statement he subsequently refined in collaboration with Goro Shimura. The names Taniyama, Shimura and Weil have all been attached to this conjecture, but the idea is essentially due to Taniyama. In 1986 Ribet proved that if the Taniyama–Shimura conjecture held, then so would Fermat's last theorem, which inspired Andrew Wiles to work for a number of years in secrecy on it, and to prove enough of it to prove Fermat's Last Theorem. Owing to the pioneering contribution of Wiles and the efforts of a number of mathematicians the Taniyama–Shimura conjecture was finally proven in 1999. The original Taniyama conjecture for elliptic curves over arbitrary number fields remains open.
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