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egreg
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About

I'm a mathematician working in algebra. I've been using TeX since 1987, but couldn't write my Ph.D. thesis with it. Sob!

I teach LaTeX at my university, besides the mathematics courses. I'm the author of some LaTeX packages and even of one Plain TeX package. At my site it's possible to download my book on LaTeX programming (in Italian, sorry).

Here's my motto for TeX.SX:

Pronto prontissimo son come il fulmine: sono il factotum della città. (From "Il barbiere di Siviglia", music by Gioachino Rossini, libretto by Cesare Sterbini.)

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Top posts
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510
Lengths and when to use them
Jan 18, 2012
481
What are the different kinds of boxes in (La)TeX?
Nov 23, 2012
463
How to add a forced line break inside a table cell
Jun 2, 2011
450
Hyperref - Token not allowed
Apr 26, 2012
348
Difference between \textwidth, \linewidth and \hsize
Apr 29, 2011
312
What's the difference between \mathrm and \operatorname?
Mar 18, 2012
287
fontenc vs inputenc
Feb 15, 2012
269
'Floor' and 'ceiling' functions
Jan 25, 2012
250
How to typeset a "small" non-breaking space
Oct 10, 2012
249
When should we use \begin{center} instead of \centering?
Jul 20, 2011
Top Meta posts
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TeX new site theme is live
60
Why does TeX require such elaborate MWE:s
50
Many thanks to Martin Scharrer
41
Serial upvoting reversed
41
Double backslashes disappear from code
Top network posts
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124
What is the antiderivative of $e^{-x^2}$
70
Why $\{\mathbf{0}\}$ has dimension zero?
64
Is there another way to solve $\int_{0}^{\pi}\frac{1-\sin x}{\sin x+1}dx$
59
A multiplication algorithm found in a book by Paul Erdős: how does it work?
58
$f(a+b)=f(a)+f(b)$ but $f$ is not linear