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Category Archives: People
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
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
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
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
Posted in Combinatorics, People, What is Mathematics
Tagged Alfréd Rényi, András Hajnal, Catherine Rényi, Paul Erdos, Saharon Shelah, Sándor Szalai, Van Vu
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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
Posted in Combinatorics, Convex polytopes, People
Tagged Branko Grunbaum, Dom de Caen, Günter Ziegler
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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
