6.50.1 Top new questions this week

6.50.1.1 Strange symbol seen in an article

https://tex.stackexchange.com/landing/r/digest?cta=question&id=561461

I am reading H. Sati and U. Schreiber's article "Proper Orbifold Cohomology" -- seehttps://arxiv.org/pdf/2008.01101. On page 2, there is a formula almost at the bottom of the page, with a ... 
[fonts] [symbols]
 

asked by Mikael https://tex.stackexchange.com/landing/r/digest?cta=user&id=223948 15 votes

answered by Harald Hanche-Olsen https://tex.stackexchange.com/landing/r/digest?cta=user&id=1424 23 votes

6.50.1.2 Who designed the mathematical blackboard bold letters of AMS, and when?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=561380

Recently I have been investigating some history of the mathbb(mathematical blackboard bold) letters of AMS, which can be called by invoking amsfonts or amssymb package. 
By the content on page 35 of ... 
[tex-history]
 

asked by Mogic https://tex.stackexchange.com/landing/r/digest?cta=user&id=140814 10 votes

answered by barbara beeton https://tex.stackexchange.com/landing/r/digest?cta=user&id=579 7 votes

6.50.1.3 Combinatorial notation (\choose) not working with \frac

https://tex.stackexchange.com/landing/r/digest?cta=question&id=561642

I want to display the following 
$p_N= \frac{{200 \choose 11}{ 200 \choose {N-189}}}{200 \choose N}$ 
However, texmaker gives me this error: 
Does anybody know why is that? I have tried replacing the ... 
[equations] [amsmath] [fractions]
 

asked by Kanye West https://tex.stackexchange.com/landing/r/digest?cta=user&id=208378 8 votes

answered by egreg https://tex.stackexchange.com/landing/r/digest?cta=user&id=4427 16 votes

6.50.1.4 Itemize using multicol package

https://tex.stackexchange.com/landing/r/digest?cta=question&id=561772

I am doing a problem set for students and I would like to itemise horizontally a list of them. However when I try to do that one of the items appears a little bit above the rest of items and the ... 
[math-mode] [itemize] [multicol]
 

asked by RubA~(c)n PA~(c)rez Sanz https://tex.stackexchange.com/landing/r/digest?cta=user&id=195186 5 votes

answered by Sebastiano https://tex.stackexchange.com/landing/r/digest?cta=user&id=117876 3 votes

6.50.1.5 Should I version control the .fls file?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=561186

I have ommited the following files from my Latex repo. 
*.aux 
*.glo 
*.idx 
*.log 
*.toc 
*.ist 
*.acn 
*.acr 
*.alg 
*.bbl 
*.blg 
*.dvi 
*.glg 
*.gls 
*.ilg 
*.ind 
*.lof 
*.lot 
*.maf 
*.mtc 
*.mtc1 
*.out 
I see my ... 
[auxiliary-files]
 

asked by Exploring https://tex.stackexchange.com/landing/r/digest?cta=user&id=222781 5 votes

answered by Henri Menke https://tex.stackexchange.com/landing/r/digest?cta=user&id=10995 10 votes

6.50.1.6 Nested ellipse diagram with text

https://tex.stackexchange.com/landing/r/digest?cta=question&id=561592

I am trying to create something like the following: 
However, my current attempt, the formatting is incorrect, I cannot seem to make the oval/ellipse shape and the text doesn't fit inside of the ... 
[tikz-pgf] [diagrams]
 

asked by user113156 https://tex.stackexchange.com/landing/r/digest?cta=user&id=173150 4 votes

answered by leandriis https://tex.stackexchange.com/landing/r/digest?cta=user&id=134144 6 votes

6.50.1.7 Enumeration inside a paragraph

https://tex.stackexchange.com/landing/r/digest?cta=question&id=561618

For starters this question might have already been asked and answered, but as I do not know how to properly call what I want, I cannot find an answer. 
So I was wondering how can you do enumeration ... 
[numbering]
 

asked by Qwaster https://tex.stackexchange.com/landing/r/digest?cta=user&id=224023 4 votes

answered by Khodatis https://tex.stackexchange.com/landing/r/digest?cta=user&id=224020 3 votes