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Just got wind of this on Facebook. The most subtle of announcements for what is a huge claim from a titan of mathematics... #math #maths
— Steve McCormick (@Quasilocal) September 19, 2018
Stay tuned I guess :) pic.twitter.com/uTM3444s4b
Sometimes you check just a few examples and decide something is always true. But sometimes even 9.8 × 10⁴² examples is not enough!!!@gregeganSF and I came up with this shocker here on Twitter. To see what's really going on, visit my blog:https://t.co/Yw0S0Iyyx9 pic.twitter.com/1FThY9skeZ
— John Carlos Baez (@johncarlosbaez) September 21, 2018
Friends! I am so happy to share that my little booklet “What is Applied Category Theory?” is now available on the arXiv. It’s a collection of introductory, expository notes inspired by the ACT workshop that took place earlier this year. Enjoy! https://t.co/EPYP19z14x pic.twitter.com/O4uVhj401s
— Tai-Danae Bradley (@math3ma) September 18, 2018
New Fields Medalist Peter Scholze and geometer Jakob Stix have identified what Stix calls a "serious, unfixable gap" in Shinichi Mochizuki's proof of the ABC conjecture -- my latest story for Quanta Magazine https://t.co/9GHHNFfQcQ via @QuantaMagazine
— Erica Klarreich (@EricaKlarreich) September 20, 2018
In hyperbolic space, there could be whole undiscovered civilizations quite nearby. pic.twitter.com/k79qvtgNlH
— Joel David Hamkins (@JDHamkins) September 18, 2018
Starting my graduate program, I thought I understood a decent amount of math. Now, 9 years since I finished my math PhD, I’m fully confident I understand essentially no mathematics whatsoever. And then all these people keep coming up with even more newer math I don’t know about! https://t.co/BGs9vWZVyc
— Dr. Kate Owens (@katemath) September 22, 2018
We are advertising two faculty jobs (tenure or tenure-track) in Mathematics at UCLA!
— Mason Porter (@masonporter) September 21, 2018
One in Financial Mathematics (broadly construed): https://t.co/RorKFDhkWz
One for research in any area of mathematics: https://t.co/QRm8pB1tbA
The vertices of this 4-dimensional shape are the quaternions
— John Carlos Baez (@johncarlosbaez) September 16, 2018
1, -1, i, -i, j, -j, k, -k
It's a 4d analogue of the regular octahedron!
These 8 points also form a group: the "quaternion group". And it's one of the most commutative of noncommutative groups!
(continued) pic.twitter.com/rbq6b7h73U
Check out Tai-Danae Bradley's new short book "What is Applied Category Theory?" It's free, it's friendly, it's fun. It explains the big ideas, then applies them to chemistry and linguistics.
— John Carlos Baez (@johncarlosbaez) September 18, 2018
You can follow her here on Twitter: she's @math3ma.https://t.co/nx5mbQ1nGJ
Logic is important of course but I feel like first proofs courses don't let students know that proofs are supposed to make sense.
— Piper, PhD (@pwr2dppl) September 19, 2018
I've been sharing a lot of gerrymandering gifs I've made without really describing what's going on! Here's a quick and dirty 4-panel explainer pic.twitter.com/3fpLTSmJ4x
— Olivia Walch (@oliviawalch) September 19, 2018
I predict it's not going to hold up. Atiyah's recent big claims, like his supposed proof that the 6-sphere admits no complex structures, have not been holding up.
— John Carlos Baez (@johncarlosbaez) September 20, 2018
Everyone who knows him well has been too embarrassed to publicly discuss the reasons.
Sylow's theorems are key to understanding the structure of finite groups. Take a finite group G, a prime p, and let p^k be the biggest power of p that divides the size of G. Then G has a subgroup of size p^k, called a "Sylow p-subgroup". And more good stuff...
— John Carlos Baez (@johncarlosbaez) September 19, 2018
(continued) pic.twitter.com/AsapfpE9NP
If it's ever bothered you that an infinite set (unlike a finite set) doesn't get smaller when you take away an element from it, you might enjoy my essay "A New Game With Infinity", which describes a different way to measure the sizes of some infinite sets: https://t.co/DgNEG796Oz
— James Propp (@JimPropp) September 17, 2018
My paper (with @JmBuldu), "Frequency-based brain networks: From a multiplex framework to a full multilayer description", is out in final form (in @netneurosci): https://t.co/axoq1ELHDA
— Mason Porter (@masonporter) September 17, 2018
Can you find the easter egg in the paper? Hint: This is Spinal Tap.
This is a really important statement to practicing data scientists. Do not ever put blind faith in Tensorflow, R packages, SAS functions, or any other statistical package. Learn principles behind what you’re doing. A bootcamp is not sufficient. https://t.co/kafuRPHB4X
— Rachel Traylor (@Mathpocalypse) September 19, 2018
Camisa de fuerza bilingüe (palíndromo que va en inglés y vuelve en español). Colaboración con @Anthony_Etherin. https://t.co/95zrAJV47J
— Pedro Poitevin (@poitevin) September 20, 2018
What a gift! Ramanujan’s papers, now online. https://t.co/yNm4B5PqNP
— Steven Strogatz (@stevenstrogatz) September 18, 2018
A Gaussian-like sum that's always 0. Can you show it? #math #algebra pic.twitter.com/OorGGtiKho
— Sam Walters ☕️ (@SamuelGWalters) September 20, 2018
Perhaps a decent time to announce this: I'll be giving a webinar October 8 at ipSpace on connectivity in graphs and why this mathematical concept matters in network design. It is a paid webinar hosted by @ioshints . If you're interested, here's the link: https://t.co/hB0JpfHke6
— Rachel Traylor (@Mathpocalypse) September 21, 2018