- To cheer you up in difficult times 6: Play Rani Sharim’s two-player games of life, read Maya Bar-Hillel presentation on catching lies with statistics, and more.
- To cheer you up in difficult times 5: A New Elementary Proof of the Prime Number Theorem by Florian K. Richter
- To cheer you up in difficult times 4: Women In Theory present — I will survive
- To cheer you up in difficult times 3: A guest post by Noam Lifshitz on the new hypercontractivity inequality of Peter Keevash, Noam Lifshitz, Eoin Long and Dor Minzer
- Harsanyi’s Sweater
- To cheer you up in difficult times II: Mysterious matching news by Gal Beniamini, Naom Nisan, Vijay Vazirani and Thorben Tröbst!
- Trees not Cubes! Memories of Boris Tsirelson
- A small update from Israel and memories from Singapore: Partha Dasgupta, Robin Mason, Frank Ramsey, and 007
- Game Theory – on-line Course at IDC, Herzliya
Top Posts & Pages
- Game Theory 2020
- 'Gina Says'
- TYI 30: Expected number of Dice throws
- The seventeen camels riddle, and Noga Alon's camel proof and algorithms
- Answer: Lord Kelvin, The Age of the Earth, and the Age of the Sun
- Dan Romik on the Riemann zeta function
- To cheer you up in difficult times 6: Play Rani Sharim's two-player games of life, read Maya Bar-Hillel presentation on catching lies with statistics, and more.
- The story of Poincaré and his friend the baker
- Why is mathematics possible?
Monthly Archives: July 2009
I can see three main avenues toward making progress on the Polynomial Hirsch conjecture. One direction is trying to improve the upper bounds, for example, by looking at the current proof and trying to see if it is wasteful and if so where … Continue reading
The Abstract Polynomial Hirsch Conjecture A convex polytope is the convex hull of a finite set of points in a real vector space. A polytope can be described as the intersection of a finite number of closed halfspaces. Polytopes have … Continue reading
Who is the most beautiful queen of cards? Opinions vary. From Gina Says part 2 How to debate Beauty [cosmic variance. Gina Says: May 10th, 2007 at 6:18 am ] The issue of beauty and physics is quite prominent … Continue reading
Download the second part of my book “Gina Says.” Link to the post with the first part. “Gina Says,” Adventures in the Blogosphere String War selected and edited by Gil Kalai Praise for “Gina Says” After having … Continue reading
The time has come to prove that the number of edges in every finite tree is one less than the number of vertices (a tree is a connected graph with no cycle). The proof is by induction, but first you need … 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
This post is continued here. Eddie Kim and Francisco Santos have just uploaded a survey article on the Hirsch Conjecture. The Hirsch conjecture: The graph of a d-polytope with n vertices facets has diameter at most n-d. We devoted several … Continue reading
Update (July 24): A detailed new article in Hebrew and English. Dr. Leora Meridor, who replaced Dov Lautman in March (just four months ago) as chair of TAU’s executive council is quoted saying: ” I’d give him (Zvi Galil) a list … Continue reading
Last week I took part in a lovely and impressive conference on the state of geometry and functional analysis, celebrating Vitali Milman’s 70th birthday. The conference started in Tel Aviv, continued at the Dead Sea, and returned to Tel Aviv. I gave a … Continue reading