23/03/08 08:25:24.91 wlya33oV.net
>>106
ありがとう
Landau-Siegel zero か
ABC予想にも、ジーゲル零点（英語版）が出てたな
htURLﾘﾝｸ(arxiv.org)
[Submitted on 4 Nov 2022]
Discrete mean estimates and the Landau-Siegel zero
Yitang Zhang
Let χ be a real primitive character to the modulus D. It is proved that
L(1,χ)>>(logD)?2022
where the implied constant is absolute and effectively computable.
In the proof, the lower bound for L(1,χ) is first related to the distribution of zeros of a family of Dirichlet L-functions in a certain region, and some results on the gaps between consecutive zeros are derived. Then, by evaluating certain discrete means of the large sieve type, a contradiction can be obtained if L(1,χ) is too small.
URLﾘﾝｸ(ja.wikipedia.org)
ABC予想
得られる結果の例
ルジャンドル記号を用いて記述したディリクレのL関数 L(s, (-d/.)) がジーゲル零点（英語版）を持たないこと
正確には、このためには上で紹介している有理整数を扱うABC予想に加えて、代数体上の一様なABC予想を用いる。(Granville & Stark 2000)。