Archive for Switzerland

Sharks and Snakes

The Swiss stereotypes do not usually suggest a great sense of humor. But since I’ve been in Zürich, I’ve noticed a certain style of quiet understated humor, in particular in advertising. Here’s one ad for the most famous vegetarian restaurant in Zürich (probably the best in the world): Here’s an ad for the Zürich public […]

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My office in 1870

The historical “main” building of ETH was finished 150 years ago, in 1864. Or rather, the first version was finished, since it was altered and extended quite a bit since then (as did the surroundings!). In a recent NZZ article, I saw this picture of the building as it looked in 1870. The red square […]

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The Spring menagerie

I think readers can legitimately complain that not only have I not added a new post for a long time, but more schockingly, my last animal-related one goes back more than one year. So, to celebrate the recent belated aperçus of spring in Zürich and around, here are some pictures: The first two are cheating, […]

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Stickelberger’s copy of Jacobi’s “Canon arithmeticus”

I am currently the head of the Mathematics Library at ETH (which is separate from the main library). A few days ago, I surveyed some of the (relatively) old books in our collection with one of the librarians, just to see if some of these should be handled in a special way. We didn’t find […]

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Upcoming events!

There will be quite a few number-theoretic activities that I will be involved-in this year. In chronological order: (1) In March, on Friday the 15th and Saturday the 16th, there will first be the 10th edition of the ETH-EPFL Number Theory Days, this time in Lausanne. The web page is currently not very informative (except […]


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