
Since mid May the Montpellier part of Grothendieck’s gribouillis are online and for everyone available at the Archives Grothendieck. The story is wellknown. End of June 1990, Grothendieck phoned Jean Malgoire warning him to come asap if he wanted to safeguard the better part of G’s mathematical archive, for he was making a bonfire… A… Read more »

If you’re a mathematician chances are that your texteditor of choice will be TeXShop, the perfect environment for writing papers. Even when writing a massive textbook, most of us stick to this or a similar LaTeXfrontend. The order of chapters in such a book is usually selfevident, and it is enough to use one TeXfile… Read more »

A mathstory well worth following in 2015. What will happen to Grothendieck’s unpublished notes, or as he preferred, his “gribouillis” (scribbles)? Here’s the little I know about this: 1. The Mormoiron scribbles During the 80ties Grothendieck lived in ‘Les Aumettes’ in Mormoiron In 1991, just before he moved to the Pyrenees he burned almost all… Read more »

One of the nicer tools around is bookworm arXiv which ‘is a collaboration between the Harvard Cultural Observatory, arxiv.org, and the Open Science Data Cloud. It enables you to explore lexical trends in over 700,000 eprints, spanning mathematics, physics, computer science, and statistics’ posted on the arXiv. One possible use is to explore the popularity… Read more »

The dinosaurs among you may remember that before this blog we had the ‘na&gforum’ to accompany our masterclass in noncommutative algebra & geometry. That forum ran on an early flatpanel iMac G4 which was, for lack of a better name, baptized ‘the matrix’. The original matrix did survive the unification of the three Antwerp universities… Read more »

F_un Mathematics Hardly a ‘new’ blog, but one that is getting a new life! On its old homepage you’ll find a diagonal banner stating ‘This site has moved’ and clicking on it will guide you to its new location : cage.ugent.be/~kthas/Fun. From now on, this site will be hosted at the University of Ghent and… Read more »

In the early days of mathblogging, one was happy to get LaTeXRender working. Some years later, the majority of mathblogs were using the, more userfriendly, wplatex plugin to turn LaTeXcode into pngimages. Today, everyone uses MathJax which works with modern CSS and web fonts instead of equation images, so equations scale with surrounding text at…

Perhaps, the tips and tricks I did receive to turn a selection of wordpressposts into a proper ePubfile may be of use to others, so I will describe the procedure here in some detail. It makes a difference whether or not some of the posts contain TeX. This time, I’ll sketch the process for nonLaTeX… Read more »

There were some great comments by Peter before this post was taken offline. So, here they are, once again.

In preparing for next year’s ‘seminar noncommutative geometry’ I’ve converted about 30 posts to LaTeX, centering loosely around the topics students have asked me to cover : noncommutative geometry, the absolute point (aka the field with one element), and their relation to the Riemann hypothesis. The idea being to edit these posts thoroughly, add much… Read more »

The lecturers, topics and dates of the 6 minicourses in our ‘advanced master degree 2011 in noncommutative algebra and geometry’ are : February 2125 Vladimir Bavula (University of Sheffield) : Localization Theory of Rings and Modules March 711 HansJürgen Schneider (University of München) : Nichols Algebra and Root Systems April 1112 Bernhard Keller (Université Paris… Read more »

Mathblogging.org is a recent initiative and may well become the default starting place to check on the status of the mathematical blogosphere. Handy, if you want to (re)populate your RSSaggregator with interesting mathematical blogs, is their graphical presentation of (nearly) all mathblogs ordered by type : group blogs, individual researchers, teachers and educators, journalistic writers,… Read more »

In view or recents events & comments, some changes have been made or will be made shortly : categories : Sanitized the plethora of wordpresscategories to which posts belong. At the moment there are just 5 categories : ‘stories’ and ‘web’ (for all posts with low mathcontent) and three categories ‘level1’, ‘level2’ and ‘level3’, loosely… Read more »

Exactly 7 years ago I wrote my first post. This blog wasn’t called NeB yet and it used pMachine, a then free blogging tool (later transformed into expression engine), rather than WordPress. Over the years NeB survived three hardwareupgrades of ‘the Matrix’ (the webserver hosting it), more themes than I care to remember, and a… Read more »

One of the trends of 2010 was the proliferation of StackExchange sites. I guess by now most of us visit MathOverflow along with the arXiv daily. But, there are plenty of other StackExchange sites around that may be of interest to the mathematicscommunity : Mathematics somewhat less highbrow than MathO. Physics still in the betaphase… Read more »

A few MathOverflow threads I bookmarked in 2010 for various reasons. Honest answer : Applications of algebraic geometry over a field with one element. James Borger’s answer : “I’m confident that the answer to the original question is no. There are hardly any theorems at all in the subject, much less ones with external applications!… Read more »

noncommutative, web
Jason & David, the Ninja warriors of noncommutative geometry
Posted on by lievenlbSocialMention gives a rather accurate picture of the webbuzz on a specific topic. For this reason I check it irregularly to know what’s going on in noncommutative geometry, at least webwise. Yesterday, I noticed two new kids on the block : Jason and David. Their blogs have (so far ) 44 resp. 27 posts, this… Read more »

Never a dull moment with Books Ngram Viewer. Pick your favorite topic(s) and try to explain and name valleys and peaks in the Ngram. An example. I wanted to compare the relative impact of a couple of topics I love, algebraic geometry (blue), category theory (red), representation theory (green) and noncommutative geometry (the bit of… Read more »

No christmas or newyears family party without heated discussions. Often on quite silly topics. For example, which late 19thcentury bookcharacter turned out to be most influential in the 20th century? Dracula, from the 1897 novel by Irish author Bram Stoker or Sir Arthur Conan Doyle’s Sherlock Holmes who made his first appearance in 1887? Well,… Read more »

NeB’s webstats are orders of magnitude out of normal behavior, something must be going on… Spam filter : normally between 10 and 20 spamcomments are trapped. They are removed automatically every 14 days so I only look at them when someone complains a valid comment didn’t get through. This moment, there are 1007 spamcomments held… Read more »

As John Baez (and hopefully others) noticed most links here on NeB are now screwed up. For years I’ve used the Markdown syntax to include links in posts (that is something like [this is what you see](and here is the URL)). NeB used an older version ( Version 1.0.1k) of php Markdown to convert these… Read more »

you get emails like this one : From: Alyssa jasmine Subject: Interested in writing article for your blog Date: 28 Sep 2010 13:41:40 GMT+02:00 To: lieven lebruyn Hi This is Alyssa I went through your site while surfing in google, am very much impressed with your site unique informations, and We are pleased to inform… Read more »

If you like this, please spread it (or let her know). UPDATE : the clip won the International Holland Animation Film Festival 2010 HAFFTube competition. Winner international competition web animation HAFFTube 2010!Silver Junkie: Maria by Gitte Le Bruyn 14th Holland Animation Film Festival3 – 7 November 2010 in Utrecht www.haff.nlThe winner of the international competition… Read more »

Via Tanya Khovanova I learned yesterday of the 50 best math blogs for mathmajors list by OnlineDegree.net. Tanya’s blog got in 2nd (congrats!) and most of the blogs I sort of follow made it to the list : the ncategory cafe (5), not even wrong (6), Gowers (12), Tao (13), good math bad math (14),… Read more »

To most mathematicians, a good LaTeXfrontend (such as TeXShop for Macusers) 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 LaTeXroutine became rusty. I rarely open a new texdocument, and… Read more »
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