- Why is mathematics possible?
- Dan Mostow on Haaretz and Other Updates
- Test Your Intuition (21): Auctions
- Oz’ Balls Problem: The Solution
- Answer: Lord Kelvin, The Age of the Earth, and the Age of the Sun
- Test your Intuition/Knowledge: What was Lord Kelvin’s Main Mistake?
- Indian Crested Porcupine
- New Ramanujan Graphs!
- Taking balls away: Oz’ Version
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Monthly Archives: April 2009
Which is larger, the generation gap between you and your perents or the generation gap between you and your children?
Conjecture (Gady Kozma): Prove that the critical probability for planar percolation on a Cayley graph of the group is always an algebraic number. Gady mentioned this conjecture in his talk here about percolation on infinite Cayley graphs. (Update April 30: Today Gady mentioned … Continue reading
There will be a conference this summer in Redmond and a school in December in Jerusalem devoted to Oded Schramm’s mathematics. Oded Schramm Memorial Conference Probability and Geometry Redmond WA, August 30-31, 2009 To be held at Microsoft … 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
Physicists and mathematicians think alike: From Kowalski’s blog From asymptotia
There are new exciting blogs and all sort of nice things on old blogs. In Avzel’s journal you can find a post with the words and a link to the performence of a beautiful Leonard Cohen’s song “everybody knows”; and you can … Continue reading
Richard Stanley This post is authored by Eran Nevo. (It is the second in a series of five posts.) The g-conjecture: the commutative algebra connection Let be a triangulation of a -dimensional sphere. Stanley’s idea was to associate with a ring … Continue reading
Upgrade to hell Getting an upgrade to business class on a flight to Amsterdam en route to NYC seemed splendid. But I soon discovered that I was upgraded to one of the two rows for business smokers. The person on … Continue reading
This post complements Eran Nevo’s first post on the -conjecture 1) Euler’s theorem Euler Euler’s famous formula for the numbers of vertices, edges and faces of a polytope in space is the starting point of many mathematical stories. (Descartes came close … Continue reading