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1
vote
1answer
82 views

Cancel command in MO post

Why the \cancel command does not work in the last part of the following post: A cohomology associated to a Riemannian manifold I would like to strike through the last part of the ...
9
votes
4answers
559 views

Are MO Titles questions or Headlines:

This is a very soft question, that is inspired by an edit to one of my questions, which involved a change of the capitalization in the title; the details are not important and I don't mind such kind ...
4
votes
1answer
149 views

Unbolding sans serif font in math mode

Is there a way to "unbold" the default text font (namely, sans serif) when written in math mode? Consider this example: Hello World$\qquad\textsf{Hello World}$ The first instance of "Hello World" is ...
5
votes
1answer
475 views

Examples of MathJax codes of directed labelled graphs to use in a MathOverflow Question

I need some examples of MathJax codes of directed labelled (with loops or multiple edges) graphs to use in MathOverflow Questions so that I could easily change them to my graphs. Here is my try to ...
11
votes
1answer
4k views

Using MathJax for formating (**bold**, *italics*)?

Some users use MathJax to get italicized or bold text. This is sometimes done in titles (where MarkDown is not available), but some users do this also in body of a question, where MarkDown is used. ...
7
votes
1answer
515 views

How to include diagrams in MO?

I have seen many questions and answers with nice diagrams but I do not know how to make them. Any answer involving MathJax and/or uploaded pictures is welcomed.
3
votes
0answers
149 views

I don't succeed in hiding paragraphs using >!

I found here in the spoilers paragraph that putting >! would hide the following things, which was a way for me to alleviate a question's heavy presentation by hiding paragraphs that could be seen if ...
2
votes
2answers
200 views

Formulas in the title of the questions

Why don't many of the people who ask a question in MO use math environment for their formulas in the title of the questions?
6
votes
5answers
241 views

How to avoid prepending a blank line or indenting the first line of a post when using \newcommand?

When \newcommand is used, it is somewhat common that it is used in such a way that the (rendered) post starts with a blank line. While this is minor, it is still ...