- Mathematical Gymnastics
- Media Item from “Haaretz” Today: “For the first time ever…”
- Jim Geelen, Bert Gerards, and Geoﬀ Whittle Solved Rota’s Conjecture on Matroids
- Media items on David, Amnon, and Nathan
- Next Week in Jerusalem: Special Day on Quantum PCP, Quantum Codes, Simplicial Complexes and Locally Testable Codes
- Happy Birthday Ervin, János, Péter, and Zoli!
- My Mathematical Dialogue with Jürgen Eckhoff
- Test Your Intuition (23): How Many Women?
- Happy Birthday Richard Stanley!
Top Posts & Pages
- Polymath 8 - a Success!
- The Ultimate Riddle
- The Kadison-Singer Conjecture has beed Proved by Adam Marcus, Dan Spielman, and Nikhil Srivastava
- Why is mathematics possible?
- Two Math Riddles
- Believing that the Earth is Round When it Matters
- Emmanuel Abbe: Erdal Arıkan's Polar Codes
- Why Quantum Computers Cannot Work: The Movie!
- Jim Geelen, Bert Gerards, and Geoﬀ Whittle Solved Rota's Conjecture on Matroids
Monthly Archives: December 2012
I just saw in Claire Mathieu’s blog “A CS professor blog” that a simple proof of the Sleator-Tarjan-Thurston’s diameter result for the graph of the associahedron was found by Lionel Pournin! Here are slides of his lecture “The diameters of associahedra” … Continue reading
Maybe I should say that (like every year but even more so) we do have funding for 1-2 postdoctoral positions in combinatorics, for 1-3 years starting in the next academic year (the time is flexible) here at the Hebrew University … 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
Lenore Holditch is a freelance writer. Here is what she wrote to me: “I love learning about new topics, so I am confident that I can provide valuable content for your blog on any topic you wish, else I can … Continue reading
The following paradox was raised by Rann Smorodinsky: Rann Smorodinsky’s Privacy Paradox Suppose that you have the following one-time scenario. You want to buy a sandwich where the options are a roast beef sandwich or an avocado sandwich. Choosing … Continue reading