A new Polymath7 project proposed by Chris Evans is starting in the polymath blog.
- 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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