The polymath blog

February 7, 2016

Polymath 11 is Now Open

Filed under: news — Gil Kalai @ 3:45 am

PF      PF2

Two great Peter Frankls

Tim Gowers launched polymath 11 aimed at Peter Frankl’s conjecture asserting that for every union-closed family there is an element that belongs to at lease half the sets in the family. Here are links to Post number 0 and Post number 1. (Meanwhile polymath10 continues to run on “Combinatorics and More.”)





  1. Lease? Least? I’m sorry, I’d just had to ask.

    Comment by Ian — April 15, 2016 @ 1:37 am

  2. Can I join PolyMath? Please email me back at

    Comment by John Louis Adams — September 3, 2016 @ 9:59 pm

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