Author Archives: Gil Kalai

Exciting Beginning-of-the-Year Activities and Seminars.

Let me mention two talks with very promising news by friends of the blog, Karim Adiprasito and Noam Lifshitz. As always, with the beginning of the academic year there are a lot of exciting activities,  things are rather hectic around,  … Continue reading

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Aleph’s Corner: T-Shirts

The artist behind Aleph’s corner has now a website offering over 100 T-shirt designs. In addition to a few pictures related to  mathematics there are many in a few other categories: “Jazz,” “Urban,” “Nature,” “Signature design,” and “Sea”. Here are … Continue reading

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ICM 2018 Rio (3) – Coifman, Goldstein, Kronheimer and Mrowka, and the Four Color Theorem

This post is my third report from ICM 2018. You may remember that I had planned to live-blog on the last four days of the congress but on Monday evening I realized that this was an unrealistic task and decided … Continue reading

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Ricky and Branko

Two dear friends, and great geometers, Ricky Pollack and Branko Grünbaum  passed away a few weeks ago. Ricky was a close friend that both Mazi my wife and I loved, and we were both fascinated by his wisdom, charm and … Continue reading

Posted in Combinatorics, Convexity, Geometry, Obituary | Tagged , | 2 Comments

Video of my ICM2018 lecture: Noise Stability, Noise Sensitivity, and the Quantum Computer Puzzle

The Video of my ICM2018 lecture is now on the air Here are the (slightly improved) slides. I made the mistake of trying to improve my slides in the evening before the lecture and in the morning I discovered that … Continue reading

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Alef’s Corner: Garbanzo Poisson process

Alef’s previous corner: There is still a small gap in the proof.  

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ICM2018: Closing Ceremonies

With Peter Sarnak, Stas Smirnov, and Tadashi Tokieda at  Sugar Loaf (Pão de Açúcar), Rio. At Sugar Loaf with Stas and Edward Dunne This is my second report from ICM 2018. Some acronyms are used in this post. ICM = … Continue reading

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An Improved Bound for Weak Epsilon-Nets in the Plane, by Nathan Rubin, is on the arXive

The paper An Improved Bound for Weak Epsilon-Nets in the Plane, by Nathan Rubin is now on the arxive. we mentioned  the result in this post, and the problem in this post (my very first) over Tao’s blog What’s New. … Continue reading

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ICM2018 First Report

I just came back from Rio from a great congress. Many great talks and many exciting meetings with old and new friends.  I had planned to live-blog on the last four days of the congress but on Monday evening I … Continue reading

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ICM 2018 at Rio, ICM Trivia Questions, the Sao Paulo General Assembly Meeting, and Other Excitements

ICM-trivia questions You can test yourself in the questions below and then look at the Wikipedea article for the answers. Mondial – scale excitements are here again! Not since the Mondial’s final match between France and Croatia,  has an excitement … Continue reading

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