Questions tagged [bug]
Indicates you've found an erroneous or unexpected behaviour in the system that needs to be fixed.
220
questions
4
votes
1
answer
68
views
Question preview MathJax error
When I search this, I get this answer preview:
However, there is a dollar sign after the V=L in the post:
...
- 308
3
votes
0
answers
128
views
Why can't question titles end with a period?
This is probably a duplicate, but gentle searching didn't turn it up; it's hard to know what'd be a good query.
I tried several times (within the grace period, so it only shows up once) to submit an ...
- 12.2k
0
votes
1
answer
53
views
Why is this? (searching by filter)
I am searching using a filter composed of several tags, and get empty results:
Why?
- 9,871
1
vote
0
answers
55
views
Why isn't users rep showing on their posts? [duplicate]
Example image is below. Where the user's reputation is normally, it is completely blank? Why? What is happening? I tried reloading and looking at other questions with the same result. The problem also ...
- 101
5
votes
1
answer
186
views
Why doesn’t the LaTeX render here?
This question has a block of valid LaTeX which doesn’t render when viewed except on edit mode. Below are 2 screenshots from my phone. One in edit mode and the other in regular mode.
I used QuickLaTeX ...
- 2,606
4
votes
1
answer
147
views
Edit summary rejected with "Comment reserved for system use. Please use an appropriate comment."
I recently tried to submit an edit to Why does an invariant measure define a Schwartzman cycle? No matter what I put in my edit summary, it was rejected with the message "Comment reserved for ...
- 12.2k
5
votes
1
answer
144
views
Is something wrong with the citation helper?
I've found the citation helper very useful for inserting references in posts, and I always used to be very impressed at its ability to find details of even some quite obscure papers.
But recently it ...
- 34.7k
4
votes
0
answers
117
views
Discrepancy between MathOverflow logo and this site's logo
There is a slight difference between the sizes of the boxes in the MO logo and the Meta.MO logo. The MO logo's box is slightly longer and the gap in the rightmost side is slightly less tall. The ...
- 1,866
4
votes
0
answers
159
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 ...
- 12.2k
0
votes
1
answer
227
views
Inconsistency in MO votes
Yesterday I sent this question to a friend of mine. He told me he upvoted my question. When I go to my notifications, I don't see the vote.
But when I go to the history of my question, it can be seen ...
5
votes
0
answers
86
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 $\{x\}$, ...
- 47.9k
3
votes
0
answers
94
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 ...
- 105
2
votes
1
answer
56
views
MathJax ignores a `\tag` in an `{equation}` containing a `{split}`
The following snippet, when compiled as part of a LaTeX document with appropriate packages loaded, would produce a numbered (well, \tagged) equation:
...
- 12.2k
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 ...
- 23.6k
3
votes
0
answers
42
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 ...
- 12.2k
1
vote
0
answers
169
views
Why is it taking so much longer than it used to for MathJax to get rendered?
These last few days when I click on a posting it sometimes takes more than a minute or even two, for MathJax to get rendered. It used to be a couple of seconds.
Is anything being done to correct this?
- 12.4k
4
votes
1
answer
197
views
Why does revision 5 of MO120096 look empty?
I recently came across Andrea Mori's question Explicit Casselman theory: reference needed. The comments 1 2 make reference to matrices rendering poorly, and then being fixed, and I was curious what ...
- 12.2k
0
votes
3
answers
276
views
How long are the lines?
I know that probably my place would be in a mental institution, but I'm a stickler about formatting my questions nicely.
For example, I like to start each sentence in a new line, and I don't like if a ...
- 18.6k
5
votes
1
answer
134
views
Editor is not rendering the equations correctly
I haven't asked a question on Mathoverflow or Mathstackexchange but after while I decided to do so I have realized that the editor has got significantly worse. First of all it is significantly slower ...
- 5,861
6
votes
1
answer
111
views
Account merging
I have an issue with account merging form in the help center. The 'Your other profile link' does not accept any link to the second my account.
Picture 1: Completed help form
Picture 2: Outcome of ...
2
votes
1
answer
220
views
Why would an equation render on preview and in an external TeX compiler, but not in post?
I know the general phenomenon is that rendering of previews differs from rendering of posts, but, presumably, the goal is to minimise unnecessary discrepancies—and that, in particular, non-esoteric ...
- 12.2k
3
votes
1
answer
134
views
Why does a table work on preview but not on post?
In waterstreamer's recent post, they used a table to present the possible Jordan normal forms of a $3\times3$ matrix. As they comment, and I checked, the table looks just fine on preview, but ...
- 12.2k
5
votes
2
answers
189
views
Why do `* *`s and `** **`s stop being recognised at some point, and how can I fix the resulting inadvertent vandalism?
I recently submitted an edit to Another notion of exactness: how to refine it, and where does it fit? to replace hand-rolled commutative diagrams with AMScds, since ...
- 12.2k
7
votes
1
answer
210
views
Having the MO Mathjax parser recognise \( \) is a regex away
@IsabelBeckenbach discovered why \( \) isn't accepted as a math-mode delimiter on MO. I'd always thought it was a design choice, but apparently it's just a mis-...
- 12.2k
6
votes
1
answer
230
views
My gravatar has changed
My automatically generated Gravatar has changed. Is that normal? I thought they were supposed to be permanent. I used to have a purple pattern IIRC, now it is light blue, a color I have never seen. It ...
- 19.8k
2
votes
0
answers
99
views
Some arrows in commutative diagrams in comments are wrongly interpreted as @-notifications; and a bonus question about CDs on MMO
I left the following comment on Pullbacks in this category of vector spaces are intersections:
Are the morphisms in your category isometries? Otherwise, I'm not sure why the category is left ...
- 12.2k
7
votes
0
answers
84
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 ...
- 1,446
4
votes
0
answers
299
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)
...
- 2,412
4
votes
2
answers
92
views
Can’t vote to close question as duplicate of question without an answer
I tried to vote to close Einstein problem; on mirror symmemtry as a duplicate of Aperiodic monotile without reflections?. But the software gave me an error I wasn’t expecting: it said because the ...
- 23.6k
-5
votes
2
answers
326
views
Is there a penalty for merely looking at a question, comments and an answer?
Recently I have lost 2 reputation points for merely looking at a question, comments and an answer (1 point for reading the question "Large cardinals in $ZF$ + $DC$ + $AD$, and 1 point for reading ...
- 6,094
5
votes
1
answer
124
views
Why is the wrong username showing up on a CW answer after a user changes names?
An answer to Interesting examples of vacuous / void entities was written, and only edited by, @JonasLinssen:
However, the answer shows up as having been written by @PrudiiArca:
The text "...
- 12.2k
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, ...
- 12.2k
4
votes
0
answers
70
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 ...
24
votes
2
answers
855
views
Kitty can’t fix it — Old questions inaccessible for logged-in users, giving “unexpected error”
For the past few days, any attempt to access the question Collecting proofs that finite multiplicative subgroups of fields are cyclic results in an internal server error:
It seems the poor kitten ...
- 46.3k
3
votes
0
answers
163
views
In Safari on macOS, a numbered list beginning with a displayed equation swallows the number
This bug report did not originally mention the platform and the renderer. I originally put them at the end, but it occurs to me that they're more useful up front. Thanks to @DavidRoberts and @...
- 12.2k
3
votes
0
answers
71
views
AMScd columns not aligning
The code
\require{AMScd}\begin{CD}
0 @>>> \mathbf D(C) \\
0 @>>> M
\end{CD}
produces
$$\require{AMScd}\begin{CD}
0 @>>> \mathbf D(C) \\
...
- 12.2k
3
votes
1
answer
152
views
Spoiler mechanism not working
In a recent answer I've tried to hide some text. Unfortunately, something seems broken.
Here's the not-so-hidden text:
! Let $X$ be the set of complete theories that satisfy "everything
is ...
- 20.8k
4
votes
1
answer
188
views
Double overline renders poorly, except in MathML
A post Mathematical formulation of beam: get stress/strain from forces and momentum uses \overline{\overline{…}}. The results below are mostly from Safari 16.1 on ...
- 12.2k
3
votes
1
answer
97
views
Integral sign cut off in Safari
I am using Safari version 16.1 with the HTML-CSS renderer. A displayed formula in the post Convergence by parameter involving inf renders as follows:
This happens even with extensions disabled, but ...
- 12.2k
4
votes
1
answer
87
views
Occasional "echoed" usernames in Firefox
I noticed about a month ago that quite often in the latest version of Firefox (but not in Chrome) under Windows 11 usernames become distorted like this
Does anybody else see this or it is just me?
...
- 17.9k
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 ...
- 23.6k
2
votes
0
answers
220
views
Facebook and Twitter links disappear ungracefully
I am using Safari 16.1 on macOS 12.6. The invitation to "Share a link to this question" appears for me like this:
I assume that the Twitter and Facebook links are not showing because of ...
- 12.2k
-6
votes
1
answer
307
views
Where did the reputation go?
Some time ago, it was decided that reputation should no longer be displayed by default, but users had the possibility to opt in to see it, as explained by Ben Webster. I had opted to see reputation, ...
- 5,377
3
votes
1
answer
100
views
Edit history lost on migration
According to a comment, @Marco's answer to Notation about n choose k permutations was edited before migration. However, nothing displays in the edit history. (This seems appropriate to ask here since ...
- 12.2k
3
votes
0
answers
156
views
Weird site URLs
If I go to MathOverflow from another SE site by clicking on the link in “Your Communities” under the right-most menu on the top-bar, I do not end up with the usual ...
- 46.3k
1
vote
1
answer
83
views
Long post fails to render
In one MathOverflow answer by me, the MathJax code added latest fails to render correctly. Instead, one $ tag is ignored and for the rest on the line, code inside <...
- 1,087
3
votes
1
answer
124
views
Why is there unexpected space at the beginning of a paragraph in an answer?
In @GabeK's nice answer to @JonBannon's question Each mathematician has only a few tricks, there is unexpected space at the beginning of the third paragraph:
My first thought was that there might be ...
- 12.2k
1
vote
1
answer
95
views
Icons for MO/metaMO in community list changed?
I notice that in the community list under the SE hamburger in the top right, the icons for MO and for meta have changed:
clearly having the MO logo attached to meta.math.SE is an issue, but we are ...
- 34.9k
4
votes
0
answers
83
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,...
- 12.2k
7
votes
1
answer
212
views
Reputation number not visible on main page
This is a very minor bug, but the reputation number seems not to be visible on the main site:
Interestingly, it is visible in meta:
- 20.8k