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NeverEndingBooks-games
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Return to LaTeX
about 6 months ago - 5 comments
To most mathematicians, a good LaTeX-frontend (such as TeXShop for Mac-users) is the crucial tool to get the work done. We use it to draft ideas, write papers and courses, or even to take notes during lectures. However, after six years of blogging, my own LaTeX-routine became rusty. I rarely open a new tex-document, and
Seating the first few thousand Knights
about 7 months ago - No comments
The Knight-seating problems asks for a consistent placing of n-th Knight at an odd root of unity, compatible with the two different realizations of the algebraic closure of the field with two elements.
The odd knights of the round table
about 7 months ago - No comments
Here’s a tiny problem illustrating our limited knowledge of finite fields : “Imagine an infinite queue of Knights , waiting to be seated at the unit-circular table. The master of ceremony (that is, you) must give Knights and a place at an odd root of unity, say and , such that the seat at the
Olivier Messiaen & Mathieu 12
about 8 months ago - 5 comments
To mark the end of 2009 and 6 years of blogging, two musical compositions with a mathematical touch to them. I wish you all a better 2010! Remember from last time that we identified Olivier Messiaen as the ‘Monsieur Modulo’ playing the musical organ at the Bourbaki wedding. This was based on the fact that
The artist and the mathematician
about 10 months ago - No comments
Over the week-end I read The artist and the mathematician (subtitle : The story of Nicolas Bourbaki, the genius mathematician who never existed) by Amir D. Aczel. Whereas the central character of the book should be Bourbaki, it focusses more on two of Bourbaki’s most colorful members, André Weil and Alexander Grothendieck, and the many
When was the Bourbaki wedding?
about 11 months ago - 6 comments
It’s great fun trying to decode some of the puns contained in Betti Bourbaki’s wedding invitation. Below a photograph, taken on May 13th 1939, of three of the practical jokers (from left to right : Ralph Boas, Frank Smithies and Andre Weil), the others were Claude Chabauty, Weil’s wife Eveline and Louis Bouckaert (from Louvain).
Snow leopard + wordpress + latex problem
about 11 months ago - No comments
Ever since I’ve upgraded to Snow Leopard I’ve been having problems with the webserver. At first there were the ‘obvious’ problems : mysql-connection lost and php-error message. These were swiftly dealt with using the excellent Snow Leopard, Apache, PHP, MySQL and WordPress! advice from ‘tady’. Right now, access to this blog is extremely slow (and
introducing : the n-geometry cafe
about 1 year ago - 3 comments
It all started with this comment on the noncommutative geometry blog by “gabriel” : Even though my understanding of noncommutative geometry is limited, there are some aspects that I am able to follow. I was wondering, since there are so few blogs here, why don’t you guys forge an alliance with neverending books, you blog
Connes & Consani go categorical
about 1 year ago - 1 comment
Today, Alain Connes and Caterina Consani arXived their new paper Schemes over and zeta functions. It is a follow-up to their paper On the notion of geometry over , which I’ve tried to explain in a series of posts starting here. As Javier noted already last week when they updated their first paper, the main
math2.0-setup : final comments
about 1 year ago - 1 comment
Last time I promised to come back explaining how to set-up LaTeX-support, figuring I had to tell you about a few modifications I had to make in order to get Latexrender run on my mac… A few google searches made it plain how out of touch I am on these matters (details below). But first,
Hi, I'm a professor of mathematics at the University of Antwerp, in Belgium. My research areas are non-commutative algebra and non-commutative geometry. Sometimes, you can also find me here :
