Questions tagged [bug]

Indicates you've found an erroneous or unexpected behaviour in the system that needs to be fixed.

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14 votes
3 answers
1k views

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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21 votes
1 answer
638 views

Tea archive (mathoverflow.tqft.net) seems to be down

It seems that the link http://mathoverflow.tqft.net/ (which, according to this announcement, serves as an archive of the old tea, i.e. the previous incarnation of MathOverflow Meta) no longer works. ...
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11 votes
0 answers
141 views

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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11 votes
2 answers
357 views

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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  • 2,362
20 votes
1 answer
777 views

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 ...
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30 votes
2 answers
840 views

Reputation and badges are no longer visible next to the users' names

Right now it seems that a bug is affecting MO: reputation and badges are no longer displayed next to the users' names. This happens both on the front page: as well as on pages of individual questions:...
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  • 4,720
7 votes
4 answers
370 views

Will there be an update fixing the rendering?

As has been reported in two previous questions on meta (here and here), the mathoverflow update generated a few problems with the rendering related to mathjax. Initially there was a problem with ...
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26 votes
0 answers
600 views

The color of links in comments

In the following image, depicting a piece of a comment on MO.se the words «this link» are a link to some URL, yet the styling makes it quite not apparent; the only styling I can see is a ...
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9 votes
1 answer
374 views

Trouble understanding criterion to answer protected question

This question is protected, and the box at the end says: "To answer it, you must have earned at least 10 reputation on this site." What does this mean? I am asking because I am currently shown as ...
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  • 797
27 votes
7 answers
3k views

Should we have new moderator elections?

Mathoverflow has seven moderators, but many of them seem to be inactive (at least from the point of view of an unprivileged user): for instance, they are not active on meta, and they moderated few ...
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12 votes
1 answer
164 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 ...
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12 votes
3 answers
274 views

Broken math on some answers [duplicate]

Here is an example. Is there an automatic way for moderators to fix what I imagine are many answers that somehow now display funny, or should we do it manually, one by one? If the latter, people ...
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11 votes
0 answers
90 views

On a MathOverflow post, the members' reputation for a question & answer shows briefly but then disappears [duplicate]

When I was just viewing the MathOverflow Improving Cauchy estimates?, this is what I see for the question & answer members' "flair" sections: Doing a refresh causes the reputations to ...
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10 votes
0 answers
238 views

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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  • 53k
7 votes
3 answers
1k views

Why is LaTeX not displaying correctly? [duplicate]

In this answer On a proof of the existence of tubular neighborhoods. and Neil Strickland's answer here Is the counit of geometric realization a Serre fibration? the laTex is not displaying correctly (...
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  • 7,876
6 votes
1 answer
169 views

"post locked" and "post unlocked" chronology is reversed in history

This is kind of minor, but it seems that the revision history of a post occasionally fails to be written in chronological order, when events are in close succession. For example this post history has ...
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  • 43.2k
6 votes
0 answers
172 views

Math Overflow not available as a chat parent user

I was configuring the Teacher's Lounge ping for MO when I realized that currently, the option to change chat parent user to MO is not available. Could this be added? Also, superpings don't seem to ...
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5 votes
1 answer
89 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 ...
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  • 29.7k
3 votes
1 answer
160 views

My answer got upvoted, but no reputation increase?

My reputation score seems to be stuck at 510 even if some of my answers were up-voted recently. How do I fix this bug? How do I contact the moderators in order to solve (or at least understand) the ...
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  • 698
1 vote
1 answer
123 views

New interface - empty rectangles in the reputation column

I've got new interface and I like it, but there is something strange: Some numbers are supposed to be there, right? They are present on other StackExchange sites with this interface
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22 votes
1 answer
683 views

Why are we now getting 'hot network questions'?

I notice that we are now getting a bar listing hot questions from across the SE network. I thought we'd settled for no cross-site advertising in MO2.0.
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15 votes
2 answers
516 views

Trackbacks are no longer being generated for the arXiv

(Although this is a bug report, I or Anton are likely the people who need to fix it; this post is a bug tracking item, not necessarily a plea for help :-) We previously been scraping the front page ...
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20 votes
0 answers
217 views

Visited / unvisited links in the questions / answers

I just posted a question and I noticed that unvisited links use a color that is difficult to distinguish ... but visited links are even harder to recognize. See the snapshot below from my Firefox 41....
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8 votes
0 answers
179 views

Icon for citation helper

On the main MathOverflow site (and also on math.stackexchange) the icon for the citation helper, which used to look as below, has recently confusingly changed to a "B", identical to the icon at the ...
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3 votes
1 answer
339 views

Is there an association bonus for this site?

I used to have a 1 rep MO account. After the SE2.0 merger, I logged in, and while the accounts are showing up associated, I have not received the association bonus. My MO profile is still the same, ...
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30 votes
1 answer
408 views

Text on some buttons has become unrecognizable

Very recently (I think today) the buttons with "Post your answer", "Answer your question" and some others became black, with the text hardly readable. With me it happens on Windows 10 with latest ...
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25 votes
4 answers
669 views

What is the deal with changes to the front page?

It appears that today Stack Exchange has changed the appearance of the MathOverflow front page. It now looks more similar to Stack Overflow. The most noticeable change is that the counts of answers, ...
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  • 49.7k
13 votes
0 answers
232 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 ...
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12 votes
0 answers
145 views

Buttons (white-on-light grey) look like they are inactive

Many buttons on MO currently have white text on a light grey background, like this: (at least on my browser). The text is not very visible, and moreover this color scheme is often used for inactive/...
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12 votes
2 answers
339 views

Age of Mathoverlow

As was pointed out here, Mathoverflow is listed as being 2012 years old here.
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7 votes
2 answers
407 views

Did ArXiv trackbacks for MathOverflow stop working again since September 29th 2016?

Did ArXiv trackbacks stop working for MathOverflow, or does the ArXiv server generally suffer from some issues, maybe related to the planned/ongoing modernization of the service? From looking at the ...
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  • 408
7 votes
1 answer
269 views

Alignment of tabs on profile page in MathOverflow

This morning, on several machines, with Windows 8.1, XP, and CentOS, and with Chrome and Firefox, on MathOverflow, the profile page shows:
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  • 1,220
6 votes
0 answers
293 views

Nominate bountied question for closure

Bountied questions cannot be closed: this prompted this meta-MO question. In the answer to that question, the reasons for this feature are explained (closure would shorten the bounty period, possibly ...
5 votes
0 answers
93 views

Can't submit edit review

I was prompted to review some edits with the little dot in the upper right hand corner, but when I went to do my editorial duty I found that only the 'skip' button was clickable: I tried selecting ...
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  • 6,641
4 votes
0 answers
102 views

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.
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4 votes
0 answers
88 views

Are there some situations when duplicates are not shown among linked questions?

I was under the impression that if Question A is closed as a duplicate of Question B then they are linked, meaning that if you view Question A then you will see Question B in the sidebar among linked ...
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4 votes
2 answers
325 views

Mysterious one point rep increase

Yesterday my reputation total increased by 1 point. As far as I know there is (was) no action which would trigger 1 point increase (downvoting gives $-1$, accepting an answer gives $+2$, etc.) I am ...
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4 votes
1 answer
102 views

Why is my feature-request not showing on meta?

I posted my feature request (Feature request: a possibility to leave mathoverflow) yesterday, yet it is not showing on the list of most recent questions. I thought it might be the negative votes but ...
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  • 25k
4 votes
1 answer
67 views

Why don't images show up in a post?

Why do the image links in the post Triangle angle bisectors, trisectors, quadrisectors, show up as raw source? (I tried deleting everything but the [1] or ...
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  • 8,026
4 votes
2 answers
115 views

What is wrong with the tag excerpts?

Looking at the list of tags https://mathoverflow.net/tags it seems that all the tags are surrounded by html <p>...</p>. This seems to be happening ...
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4 votes
1 answer
153 views

An error in calculations of percents in reputations?

Looking at the MO reputation league I found that it shows up 1767 screens, all screns but the last one show up 9x4=36 users and the last screen shows 27 users. So totally MO has 1766x36+27=63 603 ...
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  • 33.6k
3 votes
0 answers
127 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 ...
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  • 8,026
2 votes
0 answers
50 views

Automatic conversion of three backslashes into two backslashes possible? [duplicate]

In arrays in MathJax I needed always three backslashes to force a new-line; that was specific for MO and not so in MSE, for instance, where one needs only two. Now that we are in the stackexchange ...
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2 votes
0 answers
84 views

Disabled button not visible in flag dialog

Since a while, it's possible to retract a flag by opening the flag dialog again and clicking the 'Retract flag' button. Of course, if the flag is already handled, retracting isn't possible. In this ...
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  • 2,691
2 votes
1 answer
111 views

Page footers across all Stack Exchange sites list MathOverflow under multiple categories

It's listed under "Technology", "Life/Arts", "Culture/Recreation", "Science" as well as "Others"! I think we should be under Science, after mathematics.SE.
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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 ...
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  • 8,026