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 | Reply

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

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

  3. Can we revive this now?

    Comment by ryeguy10 — November 30, 2022 @ 3:50 am | Reply

  4. Hello, may I join polymath project?

    Comment by Chenxiao Tian — December 5, 2022 @ 6:32 am | Reply

RSS feed for comments on this post. TrackBack URI

Leave a Reply

Fill in your details below or click an icon to log in: Logo

You are commenting using your account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

Connecting to %s

Blog at

%d bloggers like this: