- Mathematical news to cheer you up
- To Cheer You Up in Difficult Times 28: Math On the Beach (Alef’s Corner)
- To cheer you up in difficult times 27: A major recent “Lean” proof verification
- To cheer you up in difficult times 26: Two real-life lectures yesterday at the Technion
- To Cheer You Up in Difficult times 24: Borodin’s colouring conjecture!
- To cheer you up in difficult times 25: some mathematical news! (Part 2)
- To cheer you up in difficult times 23: the original hand-written slides of Terry Tao’s 2015 Einstein Lecture in Jerusalem
- Alef Corner: ICM2022
- The probabilistic proof that 2^400-593 is a prime: a revolutionary new type of mathematical proof, or not a proof at all?
Top Posts & Pages
- Mathematical news to cheer you up
- A sensation in the morning news - Yaroslav Shitov: Counterexamples to Hedetniemi's conjecture.
- The Argument Against Quantum Computers - A Very Short Introduction
- To cheer you up in difficult times 27: A major recent "Lean" proof verification
- Zur Luria on the n-Queens Problem
- To Cheer You Up in Difficult Times 28: Math On the Beach (Alef's Corner)
- The Quantum Fault-Tolerance Debate Updates
- Around Borsuk’s Conjecture 3: How to Save Borsuk's conjecture
- To cheer you up in difficult times 5: A New Elementary Proof of the Prime Number Theorem by Florian K. Richter
Category Archives: Mathematics to the rescue
There is a class of children that have just finished elementary school. Now they all move from elementary school to high school and classes are reshuffled. Each child lists three friends, and the assignment of children into classes ensures that … Continue reading
This story is implicitly referred to in the 2008 opening post of this blog. ———– It was high time to raise the level of the discussion, I thought. Princeton, Fall 1995. We were a group of mathematicians at the IAS … Continue reading
Angry birds peace treaty by Eretz Nehederet link to the video (English, Hebrew) Arqade A few years ago I became interested in the question of whather new versions of the computer game “Angry Birds” gradually makes it easier to get high … Continue reading
The renewed interest in this old post, reminded me of a more recent event: Question: In how many ways you can chose a committee of three students from a class of ten students? My expected answer: which is 120. Alternative … Continue reading
The angle of Victoria Beckham’s hat (here in a picture from a recent wedding) is closely related to our previous post on football One of the highlights of the recent Newton Institute conference on discrete harmonic analysis was a football … Continue reading
A world map. Canada seems much bigger than Israel. Note, however, that in the map countries near the equator looks smaller than they are. Update: The round-earth hypothesis is clearer to the people of New Zealand; see the comments section. … Continue reading
Michael Joswig pointed my attention to the following unbelievable front page of the Frankfurter Allgemeine.
“Look at this brand new undershirt,” my wife said. “I am shaking it and shaking it but still I have this twist. Can you see what to do?” I gave the undershirt a good shake. And another one. And one more. And … Continue reading
You are guaranteed to win one of the following five prizes, the letter says. (And it is completely free! Just 6 dollars shipping and handling.) a) a high-definition huge-screen TV, b) a video camera, c) a yacht, d) a decorative … Continue reading
My idea (in my teenage years) of how to become a professional basketball player was a bit desperate. To cover for my height and my athletic (dis)abilities, I would simply practice how to shoot perfectly from every corner of the … Continue reading