Monthly Archives: November 2012

Happy Birthday Ron Aharoni!

Posted on November 25, 2012 by Gil Kalai

Ron Aharoni, one of Israel’s and the world’s leading combinatorialists celebrated his birthday last month. This is a wonderful opportunity to tell you about a few of the things that Ron did mainly around matching theory. Menger’s theorem for infinite … Continue reading →

Posted in Combinatorics, Happy birthday | Tagged , , , , | 3 Comments

A Few Mathematical Snapshots from India (ICM2010)

Posted on November 17, 2012 by Gil Kalai

Can you find Assaf in this picture? (Picture: Guy Kindler.) In my post about ICM 2010 and India I hardly mentioned any mathematics. So here are a couple of mathematical snapshots from India. Not so much from the lectures themselves but … Continue reading →

Posted in Conferences, Open problems | Tagged , , , , | 6 Comments

Karim Adiprasito: Flag simplicial complexes and the non-revisiting path conjecture (A combinatorial proof of the Adiprasito-Benedetti theorem.)

Posted on November 12, 2012 by Gil Kalai

This post is authored by Karim Adiprasito The past months have seen some exciting progress on diameter bounds for polytopes and polytopal complexes, both in the negative and in the positive direction.  Jesus de Loera and Steve Klee described simplicial polytopes which are not  … Continue reading →

Posted in Convex polytopes, Guest blogger | Tagged , , , | Leave a comment