Category Archives: People

At the Movies II: Kobi Mizrahi’s short movie White Eye makes it to the Oscar’s short list.

Update:  White eye have made it to the list of five Oscar candidates! Congratulations! My nephew Kobi Mizrahi is a well known movie producer and it was just announced that his short film “White eye” (עין לבנה) made it to … Continue reading

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Old lecture notes by Alex Zabrodsky

The next post will announce several mathematical events taking place in the next few weeks in Israel. One of these events is the Zabrodsky lectures at the Hebrew University of Jerusalem, that are given this year by Paul Seidel, starting … Continue reading

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An interview with Noga Alon

Update: and here is a great interview of Noga in English and the interviewer is Narkis Alon, Noga’s youngest daughter and Amalya Duek. I was very happy to interview my academic doctoral  twin and long-time friend Noga Alon.  The interview … Continue reading

Posted in Combinatorics, Computer Science and Optimization, People | Tagged | 7 Comments

The last paper of Catherine Rényi and Alfréd Rényi: Counting k-Trees

A k-tree is a graph obtained as follows: A clique with k vertices is a k-tree. A k-tree with n+1 vertices is obtained from a k-tree with n-vertices by adding a new vertex and connecting it to all vertices of a … Continue reading

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The (Random) Matrix and more

Three pictures, and a few related links. Van Vu Spoiler: In one of the most intense scenes, the protagonist, with his bare hands and against all odds, took care of the mighty Wigner semi-circle law in two different ways. (From … Continue reading

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My Copy of Branko Grünbaum’s Convex Polytopes

Branko Grünbaum is my academic grandfather (see this highly entertaining post for a picture representing five academic generations). Gunter Ziegler just wrote a beautiful article in the Notices of the AMS on Branko Grunbaum’s  classic book “Convex Polytopes”, so this … Continue reading

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After-Dinner Speech for Alex Lubotzky

An after-dinner speech given on November  9, 2016*, on Alex Lubotzky’s 60th birthday conference: 60 faces to Groups.   As we all realized waking up this morning, today is a historic day*. It is the dinner day for Alex 60th‘s … Continue reading

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