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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!
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
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