L Function - Elkansu

Japanese: L 関数 - えるかんすう
L Function - Elkansu

…This was predicted by AM Legendre, but Dirichlet provided a proof of this theorem in 1837. Dirichlet considered a function called the L -function, which is ζ( s ) with index χ, and derived the above theorem from the fact that the value L (1,χ) of this function at 1 is not 0. In this way, Dirichlet showed that analysis can be an important method in number theory. …

*Some of the terminology explanations that mention the "L function" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…このことは,A.M.ルジャンドルによって予想されていたが,ディリクレは1837年にこの定理の証明を与えた。ディリクレは,ζ(s)に指標χを付けたL関数と呼ばれる関数,を考え,この関数の1での値L(1,χ)が0でないことから上の定理を導いた。このようにディリクレは解析学が整数論において重要な方法となり得ることを示した。…

※「L 関数」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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