Questions tagged [bug]

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

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26 votes
0 answers
611 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 ...
Mariano Suárez-Álvarez's user avatar
20 votes
0 answers
223 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....
Marzio De Biasi's user avatar
13 votes
0 answers
1k views

Did mathcal stop working properly?

Does this question Basic algebra of $\mathcal{O}_0(\mathfrak{sl}_n(\mathbb{C}))$ — Reference request look like this for anyone else?: Those squares are supposed to be \mathcal{O}'s. As far as I can ...
Sam Hopkins's user avatar
  • 22.7k
13 votes
0 answers
361 views

MathOverflow Weekly Newsletter / Greatest hits from previous weeks

I don't know how many look at the MathOverflow Weekly Newsletter, but these were the "Greatest hits from previous weeks": "Video lectures of mathematics courses available online for free" from Feb ...
Joseph O'Rourke's user avatar
12 votes
0 answers
153 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/...
Federico Poloni's user avatar
12 votes
0 answers
183 views

Why can't I edit my own deleted questions?

I recently asked a question, thought about it, decided to delete it, and I wanted to add a short note after deleting it explaining why I removed the question. It turns out, I couldn't edit the ...
Asaf Karagila's user avatar
  • 38.1k
11 votes
0 answers
196 views

Watched tags highlighting lost

On both Chrome Version 91.0.4472.77 and Safari Version 14.1.1 running on MacOS 10.15.7, I've lost the color-highlighting of front-page Top Questions in my Watched Tags list. Is this just my problem, ...
Joseph O'Rourke's user avatar
11 votes
0 answers
143 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....
Neil Strickland's user avatar
10 votes
0 answers
185 views

Wrong message for closing questions as off-topic

I was just reviewing the queue for closing votes, and I noticed that the message displayed in the options for closing as off-topic was: off-topic because... This question does not appear to be ...
Ricardo Andrade's user avatar
10 votes
0 answers
242 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 ...
fedja's user avatar
  • 59.5k
8 votes
0 answers
78 views

Dialog for closure misleading when question has been closed and re-opened

I noticed, when clicking "close" on this question: Breakthroughs in mathematics in 2023, that when a question has been closed and re-opened, and you voted to close it previously, the dialog ...
Sam Hopkins's user avatar
  • 22.7k
8 votes
0 answers
123 views

Some but not all LaTeX rendering correctly on tools page

Users with sufficiently high reputation have access to a "tools" page, which I like a lot. However, sometimes I find that the $\rm\TeX$ doesn't render properly. What is particularly puzzling ...
Timothy Chow's user avatar
  • 78.1k
8 votes
0 answers
185 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 ...
Jeremy Rickard's user avatar
8 votes
0 answers
233 views

Using MO in China

I am on a business trip in Beijing and get the following error message when using MO: Question: can that somehow be fixed?
Manfred Weis's user avatar
  • 12.6k
8 votes
0 answers
151 views

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: ...
Charles Rezk's user avatar
  • 26.6k
8 votes
0 answers
119 views

why can't I link in a question?

I attempted to edit the question wrapping M5-branes on a Riemann surface so that it reads as follows: (begin edit) AdS/CFT gives us a way to use geometry to study field theory! I am trying to wrap ...
Todd Trimble's user avatar
  • 52.3k
7 votes
0 answers
80 views

The citation helper picks up a backlink to an MO answer when a DOI link is unavailable

In the citation helper, I searched for "Lectures on the approach to Iwasawa theory for Hasse-Weil L-functions via BdR". The unique result that shows up is the following (I've only edited two ...
The Amplitwist's user avatar
7 votes
0 answers
177 views

Diamond moderator symbols and old posts

This question, or rather, (vague) feature-request is not specific to MO; however I leave it to more experienced (and with better skill in writing English) users to possibly ask it elsewhere. ...
YCor's user avatar
  • 60.1k
7 votes
0 answers
133 views

Two copies of a question

There are two cases in the last hour of questions which have appeared twice, with both copies appearing pretty much simultaneously: 313547 = 313548 313550 = 313551 Coincidence or bug? EDIT: I ...
Jeremy Rickard's user avatar
7 votes
0 answers
13k views

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 ...
Shinobii's user avatar
  • 101
7 votes
0 answers
123 views

Minor graphic glitch

Every time I see this I cringe a little: For comparison, the corresponding thingie in math.se always has the numbers centered in the circle.
Mariano Suárez-Álvarez's user avatar
7 votes
0 answers
58 views

Typography on login page

It needs some love: line spacing is off, alignment is off and a title overlaps with the input boxes.
Sklivvz's user avatar
  • 101
6 votes
0 answers
265 views

Platform-wide suspenson but not on MO?

At this closed question the user seems to be playing ignorant, but I looked at their network profile and some of the other StackExchange sites, and there is a prominent banner This account is ...
David Roberts's user avatar
  • 33.8k
6 votes
0 answers
298 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 ...
6 votes
0 answers
208 views

Receiving a badge for an answer before providing the answer

I just noticed that I appear to have received two 'necromancer' badges before I even gave the corresponding answers: for instance, compare the dates on the list of badges with the date on this answer. ...
Ricardo Andrade's user avatar
6 votes
0 answers
123 views

Weird display of results from search

The results from this search don't seem to display properly. I'm assuming that it is not restricted to this search alone. Added later: I have included a screenshot below. What I'm referring to is the ...
Michael Albanese's user avatar
6 votes
0 answers
174 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 ...
Manishearth's user avatar
5 votes
0 answers
74 views

Missing brackets in $\{x\}$ in drafts, not missing in the final question/product

I am using the latest version of Firefox on Linux (bodhi linux) as well as Mac and Windows. Some $\LaTeX$ is not typeset correctly in MathOverflow: whenever I type a set, like the singleton $\{x\}$, ...
Dominic van der Zypen's user avatar
5 votes
1 answer
253 views

Long display style formulae extend too much to the right with some renderers

In the following screen capture, take a look at the region delimited by the red rectangle: notice how it extends too much to the right, such that a part of it becomes hidden by the yellow page element....
Alex M.'s user avatar
  • 5,207
5 votes
0 answers
99 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 ...
Alec Rhea's user avatar
  • 8,977
5 votes
0 answers
87 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 ...
LSpice's user avatar
  • 11.3k
5 votes
0 answers
191 views

Blocked migration to MathSE

The following MO question Why is $O(n;k)$ not connected, and has four connected components? (revisions/timeline) had the following history had a detailed answer (a) has been closed as off-topic (by ...
YCor's user avatar
  • 60.1k
5 votes
0 answers
95 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 ...
Martin Sleziak's user avatar
5 votes
0 answers
107 views

Monthly reputation counts tab on Users page is wrong

On the user page, if you click on the Month tab, the mouseover says "2016-08-01 to today" but the reputation counts are too high for that period. They seem instead likely related to the past 30 days ...
Joel David Hamkins's user avatar
4 votes
0 answers
135 views

Why doesn't the prime in $\sum_n'$ sit flush against the summation symbol?

The TeX snippets $\sum_n'$ \sum_n' and $\sum_n^\prime$ \sum_n^\prime should (as with all things TeX, barring trickery) be ...
LSpice's user avatar
  • 11.3k
4 votes
0 answers
69 views

MathJax in edited question title gets badly mis-parsed in diff view

A recent question received an edit to its MathJax, including in the title. Viewing the diff in the edit history, the edited MathJax in the title gets very badly mis-parsed in the diff view, as shown ...
Peter LeFanu Lumsdaine's user avatar
4 votes
0 answers
78 views

Limits on overflowed integrals are too far away from the integral sign

I edited Multiplying divergent integrals using Hardy fields approach to put equations clearly meant to be displayed in display mode. Once I did so, one of the equations exhibited very strange spacing,...
LSpice's user avatar
  • 11.3k
4 votes
0 answers
69 views

Occasionally reproducible bug with macro definitions in a draft post affecting macro use in comments

In the course of a discussion involving using MathJax to re-define macros, I couldn't recall if MathJax obeys a \newcommand for an already-defined macro, and so ...
LSpice's user avatar
  • 11.3k
4 votes
0 answers
113 views

Is anybody else not seeing comments on their iPhone?

Starting last night I can no longer see comments when using the site on my iPhone, nor can I comment. Things are fine on my iPad just not my iPhone. I am wondering if anybody else has ever had this ...
Benjamin Steinberg's user avatar
4 votes
0 answers
182 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 ...
David E Speyer's user avatar
4 votes
0 answers
104 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 ...
მამუკა ჯიბლაძე's user avatar
4 votes
0 answers
203 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 ...
LSpice's user avatar
  • 11.3k
4 votes
0 answers
153 views

Why is community bulletin no longer shown on MathOverflow?

Community bulletin is a block displayed in the top right part of the site which shows some of the questions on meta (and sometimes also some other stuff). It is useful, because it attracts attention ...
Martin Sleziak's user avatar
4 votes
0 answers
60 views

Help Center "On Topic" first section's header doesn't match the text below it

Current Issue: I was glancing through the help center's articles, and the article's structure on the What topics can I ask about here? page doesn't really make sense and confused me a bit. The first ...
Davy M's user avatar
  • 101
4 votes
0 answers
103 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.
Peter McNamara's user avatar
4 votes
0 answers
90 views

Navigation tab position bug on tag pages for tags that have featured questions

When there are featured questions for a tag, the inclusion of the "featured" tab in the header cause the tabs to flow out of position. (I'm using Chrome 34.0.1847.131 and Firefox 29.0.1 ...
Jeremy's user avatar
  • 1
3 votes
0 answers
74 views

Including a hash character (#) in a math equation causes it to not render (in new-question page)

I want to ask a question about a paper that uses this notation: However, when I typeset it in MathJax with ...
Lawton's user avatar
  • 105
3 votes
0 answers
41 views

Question titles do not auto-expand if URL contains non-ASCII characters?

Consider two versions of What is the modulus of continuity of this function that is continuous, increasing and bounded but nowhere locally Hölder?. Notice that, in the first version, the linked ...
LSpice's user avatar
  • 11.3k
3 votes
0 answers
224 views

mathcal notation fails to render in Chrome

I recently noticed that "\mathcal" no longer renders. Example post but it renders fine in Safari Chrome: 111.0.5563.146 (Official Build) (x86_64) Safari: Version 16.4 (18615.1.26.11.22) ...
Yaroslav Bulatov's user avatar
3 votes
0 answers
57 views

Cannot "Mark all as read" under very specific circumstances

This might deserve to be closed; it seems to be a bug, but a very, very minor one. The conditions under which I observed it were rather specific. I'm not sure which of the conditions were important, ...
LSpice's user avatar
  • 11.3k