# Questions tagged [mathjax]

Bug reports and suggestions for the MathJax system used to compile basic LaTeX code on the site.

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### Mathjax CDN is shutting down effective April 30th 2017

If you haven't seen the official announcement yet, Mathjax is shutting down their CDN effective April 30th 2017. We are currently looking for alternatives for hosting this service including self ...

2
votes

1
answer

139
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### Garbled MathJax in some old questions [duplicate]

In several old questions/answers I have seen in MathJax the combination \\, where it obviously should be \, and also ...

3
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1
answer

312
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### What is the position on titles using \displaystyle, \dfrac, etc.?

I am much more familiar with math.SE. On that site there are explicit guidelines about LaTeX in titles and things like \displaystyle, ...

7
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0
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### Editing an old post to add MathJax

Sometimes I come across an old post which does not use MathJax. Is it OK to edit such a post if the edit improves readability?
This question (and its answers) motivated this post. I know some users ...

14
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1
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### FAQ on typesetting of formulae hard to find

You might have all noticed that https://mathoverflow.net/help/formatting does not mention (La)TeX. I believe this is a very important topic and should not be hidden in "advanced"; actually, a link ...

6
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2
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### Numbering and cross referencing of equations in questions and answers

A basic LaTeX feature which I sometimes miss when asking and answering questions in MO (specially when the question and the particularly the answer are longer) is the possibility of numbering ...

16
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1
answer

587
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### Would disallowing displayed equations ("double dollars") in titles be useful?

If a poster includes in the title some formula in enclosed between $$, like $$x^2+y^2=z^2$$
$$x^2+y^2=z^2$$
the title of the ...

1
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0
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177
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### Troubles with math preview: preview of formulas dies on me when writing a question or an answer

In mathoverflow I avoid asking questions and giving answers because the preview of mathematical formulas does not work: in the preview the formulas are shown precisely as I type them, with dollars and ...

3
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### Seems to be a (minor) bug with displaying mathjax

Hardly noticeable but I still decided to report it - just noticed: at Find the number of boolean functions of n variable that satisfy the following condition one sees this
The second $k$ below is ...

2
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0
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### Strange behaviour when clicking on MathJax in question title

I clicked on $\mathbb{RP}^n\times\mathbb{RP}^n$ in this title
Instead of taking me to the question, it stays on the same page but now displays this
If I click on $\mathbb{CP}^n$ instead, I go to the ...

4
votes

2
answers

274
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### TeX bug: \mod and \pmod gone

It appears that the MO TeX does not understand macros \mod and \pmod any more; it used not to be the case. As a result for many questions the typesetting is broken.

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### How to turn off the MathJax preview?

The constant compiling of MathJax while composing a post is undesirable for me. How can I stop the MathJax preview?
Is there a way to turn off the MathJax preview?
Where is the button to switch off ...

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### Can Mathjax preview be switched off?

I recently typed an answer with a few formulas in it. While I was typing, my browser constantly reloaded the preview part below the typing window. Because MathJax apparently does three passes over the ...

4
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1
answer

326
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### 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

1
answer

91
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### Formatting problem

In my answer to
When is the closed unit ball in a smaller Banach space closed in a larger Banach space?
I wrote the following:
>
Edit: $Y=Z^*$ does not display correctly when it is in the body ...

12
votes

1
answer

171
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### Braces don't render in preview

When I type braces in math mode in a post, like $\{1,2,3\}$, they don't show up in the preview. See the following screen shot.
I tried all the different Math ...

7
votes

1
answer

167
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### Right-clicking on a mathjax link does wrong thing

Surely I am not the only user of this site with this habit - if I want to have look at the linked content I right-click on the link to open it in a new tab, so when I finish reading I then turn to the ...

14
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0
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### Long MathJax in comment breaks linewrapping throughout the comment thread [duplicate]

A picture is worth a thousand words; here is what I am talking about, from the comments on this post.
By posting a very long formula into MathJax, not only have I caused my own comment to run off the ...

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### Can we replace client-side MathJax with server-side MathJax?

One of the (many) problems with MathJax is that
formulas are rendered using a client-side JavaScript.
Apart from the process itself being ridiculously slow,
this also means that the entire page must ...

5
votes

1
answer

865
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### 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 ...

3
votes

0
answers

47
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### Review suggestions MathJax [duplicate]

Can we please turn on MathJax in "Rendered output" of "Suggested edits"? Or am I not qualified unless I can read raw LaTeX?

12
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1
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### 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. ...

15
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2
answers

701
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### Why does mathoverflow constantly compile the latex for my questions and answers?

Whenever I ask or answer questions on mathoverflow, the output is constantly being compiled. While this is sometimes a desirable feature, it turns out that at least for my computer, when I am giving a ...

2
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0
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### Can I customize TeX/MathJax in Chrome?

Probably this question belongs to some general SE meta but I don't even know where it is or whether I am eligible to post there, and mostly I am using MO anyway, so if there is another more ...

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### MathJax configuration in MO ==> not displaying bottom left messages [closed]

I noticed that on MO website, MathJax is usually not displaying messages on the bottom left angle of the screen. While there are always those messages on my own website like for the page Math ...

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### KaTeX vs MathJax

According to some benchmarks, it seems that KaTeX renders latex much more faster than Mathjax.
Is there any chance to use KaTeX in place of Mathjax?

8
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### TeX sometimes displays incorrectly on search pages

When I type a search into the search box, sometimes the list of questions returned contains incorrectly handled TeX (of the sort that once was common all over the place here).
Here is an example: ...

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0
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### Where is the canonical place to submit Mathjax bug reports?

For example, here is an issue I've been having with Chrome on a Nexus tablet.

10
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1
answer

502
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### Quickly Accessible MathJax Help

I recently had the problem of encoding big brackets in a formula in my question "Functions that Calculate their $L_p$ Norm" and, I could find nothing under "How to Format > MathJax equations", as the ...

8
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1
answer

458
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### Math font render problem

I have some issue with the math font for quite some time now. And it only happens on this very site, and not on any other site.
Some of the letters, some of the time, don't render part of the top ...

14
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0
answers

296
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### Please enable the AMScd package by default

We can draw diagrams using the AMScd package, and works quite nicely (see Math.SE for a working proof).
However, on MathOverflow the package seems to be disabled by default, so if a user wants to use ...

4
votes

1
answer

195
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### Latex software used by MO

What is the software used by MO to "render" Latex? Is it an outside solution or a software that has been written specifically? Interesting is that I understand that it doesn't produce images but texts ...

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### 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 ...

20
votes

1
answer

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### The math! It's overflowing!

See what happens if you expand the comments on this question, we get this prime example of a math overflow:
Of course, this is due to a \$ problem, but still, it seems to be a flaw in the CSS that ...

7
votes

1
answer

411
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### A set of basic LaTeX macros for MO?

Do you think it would be feasible / possible to put together a basic header file of "standard" LaTeX macros that we might be able to use when typing up MO questions or answers? I mean, basic objects ...

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1
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### Diagrams in MathJax via xypic.js

Apparently, the Stacks project can load a MathJax extension called xypic.js (check the source code) and then has access to ...

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0
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### Google Chrome not rendering Latex in browser

I have seen a solution to this problem for Firefox, but assume it is not the same for Chrome. This just started happening recently, and I have no idea how to fix it! Any mathematical typesetting on ...

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### Screwed up LaTeX when presenting edited posts for approval [duplicate]

In about one of every 4 cases when I am asked to approve an edit, the comparison page that shows the suggested edits suffers from incorrect rendering of LaTeX, which often makes both the original and ...

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### Where is the off switch for the concurrent preview now?

I feel like an idiot but I cannot find it. Meanwhile, if the post is long and has a lot of LaTeX formulae in it, and the connection is imperfect, the wysiwyg regime is a non-stop fight. I figured out ...

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3
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### List of recurrent technical problems involving MathJax

Edit: I have retagged this question 'feature-request' in an attempt to expedite action on these issues. I request that the MathOverflow developers implement an automatic fix of the issues in the ...

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2
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### Adding \LaTeX to old questions and answers

Maybe some context in the beginning. It is my second year in university so I am far away to be good enough to answer questions here, but from time to time I enjoy reading questions and answers. I ...

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4
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### On using MathJax to create 'white space'

The purpose of this post is, first, to raise awareness (as this, reasonably, might not be clear) that the way some (and it seems to me the number is growing) use MathJax to create 'white space' (or to ...

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1
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199
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### Backticks breaking MathJax in comments

The backticks that were used to circumvent MathJax problems on MO 1.0 were removed in questions and answers.
However, it appears that the comments were not affected by this fix and thus display ...

4
votes

2
answers

326
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### MathJax \newcommand appears persistent across the whole page

Probably this is known.
MathJax \newcommand appears to be persistent
across the whole page, including the question + all answers.
This potentially might cause ...

11
votes

2
answers

366
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### Double backslashes

The “backslash-bug” from the old version is no longer there. You can simply write { and } to get $\{\}$. However, all the old questions and answers using \{ are now broken and look terrible:
$\prod\\{...

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2
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### MathJax problems in comments

I'm not sure if this has been reported elsewhere. See for example Fred Kline's comment on quid's answer at https://mathoverflow.net/questions/104608/need-help-defining-placeholders-for-primes
The ...

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0
answers

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### MathJax in suggested edits

Pages like
https://mathoverflow.net/review/suggested-edits/1435
display suggested edits for review. The original and edited versions are displayed in parallel columns with the differences highlighted....

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4
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### Formatting Sandbox

The purpose of this thread is to enable people to check if their formatting works and to play around with their MathJax code.
Quoting from Bill Dubuque's Formatting Sandbox on meta.math.SE:
To use ...

12
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1
answer

295
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### MathJax on Chat

Is there MathJax support on the chat?

13
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1
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### No MathJax on meta

Meta doesn't seem to have MathJax enabled ($x=y$). I think it's best enable it to be consistent with the main site.