- Alef Corner: Math Collaboration
- Alef’s Corner: Math Collaboration 2
- To cheer you up in difficult times 11: Immortal Songs by Sabine Hossenfelder and by Tom Lehrer
- To cheer you up in difficult times 10: Noam Elkies’ Piano Improvisations and more
- Quantum Matters
- To cheer you up in difficult times 9: Alexey Pokrovskiy proved that Rota’s Basis Conjecture holds asymptotically
- To Cheer you up in Difficult Times 8: Nathan Keller and Ohad Klein Proved Tomaszewski’s Conjecture on Randomly Signed Sums
- Noam Lifshitz: A new hypercontractivity inequality — The proof!
- To cheer you up in difficult times 7: Bloom and Sisask just broke the logarithm barrier for Roth’s theorem!
Top Posts & Pages
- TYI 30: Expected number of Dice throws
- Quantum Matters
- Gil's Collegial Quantum Supremacy Skepticism FAQ
- To Cheer you up in Difficult Times 8: Nathan Keller and Ohad Klein Proved Tomaszewski's Conjecture on Randomly Signed Sums
- Answer: Lord Kelvin, The Age of the Earth, and the Age of the Sun
- Elchanan Mossel's Amazing Dice Paradox (your answers to TYI 30)
- A sensation in the morning news - Yaroslav Shitov: Counterexamples to Hedetniemi's conjecture.
- Are Natural Mathematical Problems Bad Problems?
- Hoi Nguyen and Melanie Wood: Remarkable Formulas for the Probability that Projections of Lattices are Surjective
Category Archives: Uncategorized
Last week we had a lovely small workshop in Eilat organized by Nathan Rubin, and as possible since the peace agreement of 1994 between Israel and Jordan, we visited Jordan for one day and saw the spectacular ancient city of … Continue reading
My thoughts are with the people of China who are at the forefront of the struggle with the coronavirus outbreak.
With Tolya (Anatoly) Vershik, Saint Petersburg, 2003 Peter Frankl and Voita (Vojtěch) Rödl, NYC, summer 1986 (or 1987). This post mentions the Frankl-Rödl theorem. Jeroen Zuiddam at IAS, a few days ago. (See this post) We just moved to a … Continue reading
Combinatorics and More’s Greatest Hits First Month Combinatorics, Mathematics, Academics, Polemics, … Helly’s Theorem, “Hypertrees”, and Strange Enumeration I (There were 3 follow up posts:) Extremal Combinatorics I: Extremal Problems on Set Systems (There were 4 follow up posts II ; III; IV; VI) Drachmas Rationality, Economics and … Continue reading
Here is a lovely lecture starting with quantum computers, going through the Feldenkrais method, and ending with a mathematical puzzle. Click on the picture for the video of the talk. Here are Dorit’s four body-mind principles for learning: 1. Start … Continue reading
Visiting London, Cambridge and the very interesting 2010 British Colloquium in Theoretical Computer Science at Edinburgh was splendid! More later. But a poll is called for. How to call the area to collect your baggage: “Baggage reclaim” or “Baggage claim”? … Continue reading
Are you aware of any? (current ones? old ones?)
Which is larger, the generation gap between you and your perents or the generation gap between you and your children?