[過去ﾛｸﾞ] 現代数学の系譜 工学物理雑談 古典ガロア理論も読む79 (1002ﾚｽ)
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470(1): 現代数学の系譜 雑談 古典ガロア理論も読む ◆e.a0E5TtKE [] 2019/12/18(水) 17:02:36.65 ID:JAIt4UHK(3/5) AAS
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https://okuranagaimo.blogspot.com/2019/12/blog-post_14.html
ブログ
12/14/2019
コラッツ予想の証明に近付く
Slashdotより。

数学者はコラッツ予想を泥沼とみなし、近づかないように互いに警告します。しかし、今や、テレンス・タオが数十年で誰よりも進歩を遂げています。レポートより:

https://www.quantamagazine.org/mathematician-terence-tao-and-the-collatz-conjecture-20191211/
Quanta magazine
NUMBER THEORY
Mathematician Proves Huge Result on ‘Dangerous’ Problem
Kevin Hartnett
Senior Writer
December 11, 2019

Mathematicians regard the Collatz conjecture as a quagmire and warn each other to stay away. But now Terence Tao has made more progress than anyone in decades.

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745: 現代数学の系譜 雑談 古典ガロア理論も読む ◆e.a0E5TtKE [] 2019/12/28(土) 20:02:11.32 ID:25QO+/o4(14/19) AAS
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https://terrytao.wordpress.com/2019/09/10/almost-all-collatz-orbits-attain-almost-bounded-values/
Almost all Collatz orbits attain almost bounded values
10 September, 2019 By Terence Tao
(抜粋)
I’ve just uploaded to the arXiv my paper “Almost all Collatz orbits attain almost bounded values“, submitted to the proceedings of the Forum of Mathematics, Pi.
In this paper I returned to the topic of the notorious Collatz conjecture (also known as the {3x+1} conjecture), which I previously discussed in this blog post.

https://arxiv.org/abs/1909.03562
Almost all orbits of the Collatz map attain almost bounded values
Terence Tao
(Submitted on 8 Sep 2019 (v1), last revised 13 Sep 2019 (this version, v2))

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