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Questions designed to generate a "big list" of certain results, examples, conjectures, etc. via many individual answers, each contributing one or a few instances. Such a question should typically be in Community Wiki mode (CW); after asking, please, flag for moderators attention requesting the question to be made CW.

155 votes
54 answers
22k views

Old books you would like to have reprinted with high-quality typesetting

There are some questions on mathoverflow such as What out-of-print books would you like to see re-printed? Old books still used with answers that tell us things such as: Mathematicians prefer to use …
2 votes

Proofs without words

Michael Goldberg, Constructions possible by ruler and compasses, Math. Mag. Vol. 51, No. 5, p. 283 (1 page) (Nov., 1978).
C.F.G's user avatar
  • 4,195
58 votes
82 answers
18k views

Prominent non-mathematical work of mathematicians

First of all, sorry if this post is not appropriate for this forum. I have a habit that every time I read a beautiful article I look at the author's homepage and often find amazing things. Recently I …
2 votes

Interesting mathematical documentaries

Pits, Peaks, and Passes: A Lecture on Critical Point Theory about Marston Morse.
C.F.G's user avatar
  • 4,195
4 votes
0 answers
418 views

What are your common strategies/remedies when your new theory/idea stuck in most cases?

Sorry if this is not a suitable post for MO. Sometimes after reading the origin of a theory/idea in differential topology I put myself in the shoes of that mathematician and ask myself, Did you do the …
3 votes

Books you would like to see translated into English

I haven't read the following, I want to read it just because in his books, Milnor referred to it for some proofs. Cerf, J., Sur les difféomorphismes de la sphère de dimension trois ($\Gamma_ 4 = 0$), …
C.F.G's user avatar
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22 votes
1 answer
3k views

What is so special about Chern's way of teaching?

First of all sorry for this non-research post. I was watching Jeffrey Blitz Lucky documentary movie and it was interesting to me that a winner of Lottery was a math Ph.D. from Berkeley. In the movie …
3 votes

Prominent non-mathematical work of mathematicians

Not so prominent I think but I'd like to mention that the MathTime Professional 2 (MTPro2) fonts were designed by Michael Spivak of Publish or Perish Inc., see here.
José Hdz. Stgo.'s user avatar
89 votes
14 answers
9k views

LaTeX tricks that save time in typesetting

In ${\rm\LaTeX}$ typesetting, when we repeat a long and complex formula in long documents, it is appropriate to create a new command that just by calling this new command we get the desired output. Fo …
7 votes

Most memorable titles

The book of Serge Lang: $\mathrm{SL}_2(\Bbb R)$. Lang, Serge, $\mathrm{SL}_2(\Bbb R)$, Reading, Mass. etc.: Addison-Wesley Publishing Company. XVI, 428 p. $19.50 (1975). ZBL0311.22001.
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1 vote

Old books you would like to have reprinted with high-quality typesetting

Not so bad quality but I'd like to see the following recent books in new typesetting: do Carmo, Manfredo Perdigão, Riemannian geometry. Translated from the Portuguese by Francis Flaherty, Mathematics …
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3 votes

Examples of common false beliefs in mathematics

I already thought that the following two sets of matrices are one. $$M(\color{blue}{\Bbb R},2n)\qquad \text{and}\qquad M(\color{red}{\Bbb C},n).$$
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3 votes

Prominent non-mathematical work of mathematicians

Glen E. Bredon is the author of the programs DOS.MASTER for Apple II computers, Merlin (a macro assembler) and ProSel for Apple machines. He was the professor of mathematics at Berkley and IAS and au …
C.F.G's user avatar
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12 votes

Proofs without words

Gluing two Mobius strips along their edges is a Klein bottle.
C.F.G's user avatar
  • 4,195
1 vote

Prominent non-mathematical work of mathematicians

Abu Rayhan al-Biruni (973 – after 1050) was an Iranian polymath, physicist, astronomer, natural sciences, historian, chronologist and linguist. One of the best his achievements is a method proposed a …
C.F.G's user avatar
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