Mathematics
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egreg
  • Member for 10 years, 1 month
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  • Italy
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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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All Questions Answers
Score Newest
answer
265
If there are $74$ heads and $196$ legs, how many horses and humans are there?
Apr 19, 2016
answer
121
What is the antiderivative of $e^{-x^2}$
Oct 12, 2013
answer
76
What are some examples of notation that really improved mathematics?
Nov 7, 2013
answer
60
Is there another way to solve this integral?
Mar 17, 2015
answer
60
Why $\{\mathbf{0}\}$ has dimension zero?
Feb 5, 2014
answer
59
A multiplication algorithm found in a book by Paul Erdős: how does it work?
Mar 17, 2017
answer
58
$f(a+b)=f(a)+f(b)$ but $f$ is not linear
Oct 3, 2014
answer
51
Why are There No "Triernions" (3-dimensional analogue of complex numbers / quaternions)?
May 13, 2016
answer
47
Difference between $⊂$ and $⊆$?
Oct 2, 2018
answer
45
If $A^2$ and $B^2$ are similar matrices, do $A$ and $B$ have to be similar?
Apr 21, 2015
Top Meta posts
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26
Was this question a “problem statement question”?
13
Should rings be considered non commutative if the question doesn't imply they are commutative?
11
Links in spoilers aren't hidden
10
MathJax and the French notation for open intervals
6
Wrong reputation change
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Lengths and when to use them
463
What are the different kinds of boxes in (La)TeX?
437
How to add a forced line break inside a table cell
337
Difference between \textwidth, \linewidth and \hsize
288
What's the difference between \mathrm and \operatorname?

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