Category Archives: Nostalgia

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, Nostalgia | Tagged , , | 3 Comments

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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