Monthly Archives: September 2020

To cheer you up in difficult times 12: Asaf Ferber and David Conlon found new lower bounds for diagonal Ramsey numbers

Posted on September 23, 2020 by Gil Kalai

Update (Sept. 28): Yuval Wigderson has made a further improvement on the multicolor Ramsey number bound for more than three colors. Lower bounds for multicolor Ramsey numbers The Ramsey number r(t; ℓ) is the smallest natural number n such that … Continue reading →

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Alef Corner: Math Collaboration

Posted on September 4, 2020 by Gil Kalai

Another artistic view by Alef on mathematical collaboration.   Other Alef’s corner posts

Posted in Art, Combinatorics, What is Mathematics | Tagged | Leave a comment

Alef’s Corner: Math Collaboration 2

Posted on September 2, 2020 by Gil Kalai

Other Alef’s corner posts

Posted in Art, Combinatorics, Geometry, What is Mathematics | Tagged | Leave a comment