# Questions tagged [mathjax]

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

79
questions

**2**

votes

**0**answers

80 views

### Braces are not rendered in MathJax in the preview of a question

I am using Firefox 94.0.1, with no user scripts. I have a few add-ons, which I can list if needed, but, since the behaviour does not always occur, they cannot always be interfering. My renderer is <...

**2**

votes

**0**answers

306 views

### A super easy way to speed up MathJax loading with LocalCDN add-on

I found a very neat way to speed up MathJax execution times and I thought about sharing it with everyone here. Typically whenever I start my browser I have to load up all of these MathJax resources ...

**5**

votes

**0**answers

139 views

### How can I see the line length available for long mathematical expressions in posting on MO?

In typing up a question (or answer) on MO, I try to format a long mathematical expression so that it fits in one line. When I meet with apparent success, as shown in the wysiwyg box underneath the box ...

**2**

votes

**2**answers

94 views

### No MathJax line wrapping in Firefox

Example:
Chrome, for comparison:
Happens on Windows 10, both browsers are up to date.
Should I use the bug tag?
Does anybody else encounter this? Can it be something on my side?
After the question ...

**3**

votes

**0**answers

51 views

### Math-mode formula in comment breaks incorrectly across lines

In the following comment, both summands should appear before the period:
The source for the comment is:
...

**7**

votes

**2**answers

143 views

### Previewed post does not match rendered post when MathJax uses *

In revision 2 of Number of permutations in $S_{a + b}$ with $\operatorname{maj}(\pi) = b$ and $\operatorname{maj}(\pi^{-1}) = b$, I edited an equation that had been manually given the label ...

**26**

votes

**4**answers

606 views

### Which Latex / MathJax features do we need or want to have supported on the site?

As we've started discussing, Stack Exchange is planning to redo the editor for all questions and answers across all their sites. As articulated by Emilio Pisanty, these changes will have significant ...

**3**

votes

**1**answer

77 views

### `\DeclareMathOperator` at the beginning of a comment disables some link parsing

In a comment of the form $\DeclareMathOperator\a{a}$Here's a [link](http://mathoverflow.net) and [another link](http://mathoverflow.net) $\a$, neither link is ...

**-8**

votes

**1**answer

160 views

### Is it allowed to use images for pasting math formula?

Is it allowed to use images to paste math formula in mathoverflow.net ?
I think this is high efficiency, and few people search math questions by LaTeX.

**5**

votes

**0**answers

78 views

### Dollar sign in image title works in preview, but not in actual post

I was just trying to clean up Understanding why $\pi_{3}(N) = \mathbb{Z}_{(2n, n^2)}$? , which was originally almost entirely cut-and-pasted images without any alternate text. For the first image, I ...

**0**

votes

**0**answers

61 views

### Potential rendering issue for formulas

when I entered the following
$$\pmb{ \frac{d_+^n}{dx_+^n}}:= \left(1, \frac{d^1}{dx^1},\,\dots,\,\frac{d^{n-2}}{dx^{n-2}},\,1\right)$$
I observed that the defined fraction has an unsharp ...

**4**

votes

**0**answers

171 views

### Preview failing to parse double backslash in large matrices?

A couple of times now, I've been entering a large matrix here or on math.SE and, in the preview window, all the rows appear on a single line. Once the question posts, it displays correctly. I most ...

**4**

votes

**0**answers

95 views

### Garbled MathJax in a link to a question with MathJax in the title

The following occurs on my activity page:
The question it links to is Is there an explicit expression for Chebyshev polynomials modulo $x^r-1$? and it seems that the MathJax in the end somehow got ...

**2**

votes

**0**answers

76 views

### Insufficient space following MathJax, but only right after posting

I am using Safari 12.0.2 on macOS Mojave. In my answer https://mathoverflow.net/a/331026 , I see the following:
It seems to me that the spacing between the second and third parentheses at the end of ...

**3**

votes

**0**answers

126 views

### Wrong rendering in narrow width in Safari

When I view the front page right now in Safari, I see:
Notice that the question mark, which the poster properly placed at the end of the equation (see the question (before another edit removed the ...

**12**

votes

**1**answer

597 views

### Problem with posts and comments relying on macros defined elsewhere

MathJax supports possibility do define macros. (Using \newcommand, \DeclareMathOperator, \def...

**2**

votes

**2**answers

522 views

### Triangle commutative diagram does not work here at MO

I frequently tried to draw a triangle commutative diagram similar to the definition of projective modules for this question.
A module associated to an endomorphism of a vector bundle
so I ...

**14**

votes

**3**answers

911 views

### Is it OK to abuse Mathjax for emphasis?

The author of this question uses Mathjax (in a way different from its intended usage) to make parts of his question stand out more; for instance, to display some headers in red or to alter the spacing ...

**0**

votes

**1**answer

94 views

### One number on top of another with mathjax?

Probably a simple question, but how can I write my script in mathjax to show one number on top of another and with a minus sign in the left side?
Like this:

**3**

votes

**1**answer

222 views

### Seems like right margins in answer texts need to be increased

It is a very minor thing but still - it seems that answer texts have zero right margin which shows somehow unpleasantly with colored background of accepted answers:
(This is with latest Chrome on ...

**6**

votes

**1**answer

960 views

### Is it possible to use tikzcd code in MO posts?

Question : Is it possible to use tikzcd code in MO posts?
There are information for drawing diagrams using AMScd
...

**7**

votes

**2**answers

2k views

### How does one type mathematical formulas on this site?

I can see that the posts on this site contain nicely displayed mathematical formulas. How can I get such formulas in my posts? What syntax is used to typeset them?
Note: This is an attempt to make at ...

**1**

vote

**1**answer

97 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 ...

**1**

vote

**0**answers

66 views

### Doubled backslashes in old posts [duplicate]

There is a post from 2013 addressing what appears to be a similar issue, but it is reported as fixed, so I guess it's not exactly the same.
I have noticed a few posts recently in which backslashes ...

**6**

votes

**2**answers

509 views

### Repeated TeXifying of question titles

A specific user has recently edited a lot of years-old posts in which, as far as I can tell, he is just TeXifying titles. While I assume that this is being done with good intentions, it seems likely ...

**3**

votes

**1**answer

128 views

### LaTeX display of exponential pushed down with respect to baseline

This is hardly important, but ...
In an answer, I used the LaTeX O(n \epsilon^{1-d}) to display
$O(n \epsilon^{1-d})$, but this is what it looks like to me (in ...

**18**

votes

**2**answers

596 views

### What's the point of having an *MO* chat without LaTeX enabled?

The title says it all. :-)
In response to the automatic disapproval of the question body:
I tried to edit the chat messages after submitting but couldn't figure out how to do that either. (And I ...

**5**

votes

**2**answers

555 views

### MathJax accents in Safari 10.1

Tilde accents, such as $\tilde g$ (typed as \tilde g), seem to be displaying bizarrely, with the tilde to the right of, rather than on top of, the accented symbol, ...

**9**

votes

**0**answers

280 views

### 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

137 views

### 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**

votes

**1**answer

293 views

### 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**

votes

**0**answers

229 views

### 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**

votes

**1**answer

540 views

### 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**

votes

**2**answers

2k views

### 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 ...

**14**

votes

**1**answer

566 views

### 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**

vote

**0**answers

171 views

### 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**

votes

**0**answers

194 views

### 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**

votes

**0**answers

160 views

### 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

265 views

### 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.

**12**

votes

**3**answers

1k views

### 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 ...

**7**

votes

**0**answers

268 views

### 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**

votes

**1**answer

299 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

**1**answer

88 views

### 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

161 views

### 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

165 views

### 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 ...

**13**

votes

**0**answers

227 views

### 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 ...

**18**

votes

**0**answers

2k views

### 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

829 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 ...

**3**

votes

**0**answers

47 views

### 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**

votes

**1**answer

10k 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. ...