All Questions
1,738
questions
4
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2022: a year in moderation
As we say goodbye to the old year and welcome the new one, we have a tradition of sharing moderation stats for the preceding calendar year.
As most of you here are aware, sites on the Stack Exchange ...
- 101
7
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0
answers
154
views
How is TeX rendered in edit summaries?
I recently edited a question Dynkin type classification for 2-dimensional hypersurfaces in non-commutative space, and entered as my edit summary "$<x,y>$ -> $\langle x,y\rangle$" <...
- 9,412
0
votes
0
answers
204
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MathOverflow in the classroom
My belief is that it is legitimate to cite some posts of the main site MathOverflow in the classroom of some course. Under this assumption I've wondered about the following question.
I don't know ...
- 69
17
votes
0
answers
495
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Posting multiple "answers" to an already answered question
This question was asked and correctly answered three weeks ago. Since then another user has posted, as of today, five other "answers" describing his thoughts about related questions, ...
- 39.9k
1
vote
0
answers
65
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Should this question have been CW?
Yesterday I asked a big-list question (Examples of errors in computational combinatorics results). The question is naturally big-list because it asks for various examples. Now I am not quite familiar ...
- 3,092
0
votes
0
answers
108
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Gaining points for posting
How do I earn 50 points to comment if I am not allowed to comment or post? So my problem is as described as far you can see.
2
votes
1
answer
54
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 ...
- 20.2k
13
votes
6
answers
1k
views
Let us wear hats
Many of the other stackexchange sites enable a festive wintertime custom every year in late December, the Winter Bash, in which user profiles are accommodated with fanciful hats, earned for various ...
- 205k
4
votes
0
answers
71
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Drop-down lists
Would it be possible to have markdown drop-down lists in MO? I think that hiding lengthy examples, components of long proofs, edited out text etc., inside such menus could add readability.
- 4,430
7
votes
0
answers
89
views
What is the status of the imgur images on MathOverflow?
Many posts on MO contain a link to imgur.com. Such links can be created outside the Stack Exchange network - if somebody simply creates a picture on imgur. But some of them might have been uploaded ...
- 4,570
14
votes
1
answer
547
views
Should we flag suspected ChatGPT posts?
Another meta question raised the issue of AI-generated (by ChatGPT or similar) posts.
I have a more specific question. If we see a post that we suspect to be of this genre, would the moderators like ...
- 30.8k
1
vote
0
answers
37
views
How should we respond to user profiles (as opposed to questions or answers) that appear to be spam? [duplicate]
I've come across 10 different MO user profiles that all have very similar usernames that contain the name of a company. None of these users have any activity on the site except for filling out their ...
- 1,163
0
votes
0
answers
125
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Is this question about partition numbers too broad/vague?
Here's my proposed question (edit: now posted) (edit 2: posted version now edited):
I have found an algorithm for counting partitions, and I've been able to express it into a mathematical formula, $P(...
- 13
-3
votes
1
answer
186
views
Can a question be muted from showing up to the front of the page so answers can edit their response as much as they please?
I liked the answer to this question: An algebra of "integrals" by @anixx
Which had a very detailed table attached. My understanding is the answerer had updated the question some 35 times to ...
- 1,428
9
votes
2
answers
202
views
Should tags be removed from spam?
When flagging spam, I usually delete tags and replace them by tag-removed as well. I just received a comment suggesting that this is not useful. It probably doesn'...
- 51.1k
4
votes
1
answer
121
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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 ...
- 9,412
49
votes
2
answers
2k
views
ChatGPT strikes MathOverflow
The user (or a bot) https://mathoverflow.net/users/496085/canvas123 appears to be posting ChatGPT-generated text on MathOverflow.
Two “answers” by this user already got accepted (!):
When is a ...
- 32.5k
14
votes
1
answer
294
views
Mathoverflow for finding the name of mathematical concepts
I am used to posting on MathOverflow problems with questions. However, now I am looking for the name of a mathematical object that I think already exists (and I would be happy to find reference ...
- 1,539
19
votes
1
answer
555
views
Creation of "procrastination" tag
One user has created the tag procrastination: see this question. In principle I would have immediately deleted it as totally irrelevant (in the same way I would delete "Stupid question" or &...
- 54.8k
4
votes
1
answer
210
views
The tags (publishing) and (journals) - maybe change direction or cancel the synonym
At the moment there is a synonym publishing $\to$ journals. (With the tag journals as the master tag.)
I think that at least for some questions tagged journals:
Using a tag called publishing might be ...
- 4,570
53
votes
8
answers
3k
views
We have our first user with more than 200K reputation!
Congratulations to Joel David Hamkins who on (I think!) the 27th November 2022, was the first MathOverflow user to pass 200k reputation! Since Joel joined on the 19th November 2009, he has supplied ...
3
votes
1
answer
90
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 ...
- 9,412
4
votes
1
answer
75
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?
...
- 16.7k
6
votes
0
answers
266
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 ...
- 20.2k
4
votes
1
answer
88
views
What is a supported use of \hfill?
According to Supported TeX/LaTeX commands, \hfill is supported. However, as expected, it doesn't work in ordinary text \hfill ; and using it in math mode seems to ...
- 9,412
9
votes
0
answers
277
views
New tag for "stochastic partial differential equations" (SPDEs)
Since there are separate tags for a) ODEs, ca.classical-analysis-and-odes and differential-equations and for b) ap.analysis-of-pdes but only one tag for stochastic-differential-equations, I was ...
- 2,309
7
votes
1
answer
164
views
Interesting question deleted by author — how to reach out to author to ask to undelete?
"Coloring Gaussian integers based on a numeral system based on powers of $-1+i$" was an interesting question that was recently asked. I left a comment with some relevant keywords and links (...
- 4,185
2
votes
0
answers
131
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 ...
- 9,412
2
votes
1
answer
218
views
Why is this question locked?
This question has only two downvotes, which is not enough to keep it off the front page. I'd therefore like to downvote it, but can't, because it is locked for mysterious reasons.
Because this does ...
- 21.4k
-6
votes
1
answer
258
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, ...
- 4,995
14
votes
1
answer
352
views
Why was my question deleted?
Why was my question Is the Frog game solvable in the root of a full binary tree? deleted?
It was a cross-post, but I followed all recommended advices when doing so.
It was also decently upvoted (12+).
...
- 591
4
votes
1
answer
379
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Migrated question returned to MO - how to handle?
The question I am referring to is
Is all complicated modern math intuitively understandable?
(See the user's math.SE account to see that the question was at one point migrated to math.SE.)
I think the ...
- 24.6k
-5
votes
2
answers
468
views
If it doesn't interest you, don't read it!
As an algebraist, if I see an analysis question on Mathoverflow that falls outside my expertise, I probably won't read it in details, and if I do read it, I certainly won't judge its "level",...
- 3,041
11
votes
4
answers
503
views
What to do with the erdos tag?
This was discussed before but that discussion is outdated.
Tags related to a specific person are generally bad. (This is not the same as specific topics named after a person, e.g. Galois theory is not ...
- 42.8k
46
votes
0
answers
1k
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2022 Election results: Congratulations to our new moderator!
The election is over, the votes have been counted, and on behalf of the current team and board, I'd like to welcome David Roberts to the moderators team!
I'd like to thank Carl-Fredrik Nyberg-Brodda ...
- 36.6k
14
votes
0
answers
205
views
Which questions should be tagged “reference-request”?
The reference-request tag is currently described as: “this tag is used if a reference is needed in a paper or textbook on a specific result.”
I have found current usage of this tag too broad to be ...
- 18.6k
3
votes
1
answer
90
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 ...
- 9,412
3
votes
0
answers
143
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 ...
- 40.8k
-13
votes
2
answers
579
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Why my nomination for 2022 Community Moderator Election withdrawn without convincing reason?
I was honored to participate in the elections for moderation in MO 2022 , but I am sorry to say that my candidacy was withdrawn today without any convincing reason, frankly, I did not find it ...
- 2,213
4
votes
0
answers
269
views
Can I ask this question on Math Overflow? (Advice on how to get started)
I am thinking of applying for a maths PhD programme. I have more or less an idea of the subfield I'd like to research, but not much more than that. I'm looking for suggestions on how to properly ...
- 101
19
votes
2
answers
960
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Nominating other community members
Is there no mechanism to suggest other community members for nomination?
If I remember correctly, last election there was some mechanism in place to suggest community members other than ourselves who ...
- 7,697
7
votes
1
answer
528
views
2022 Community Moderator Election
The 2022 Community Moderator Election is now underway!
Community moderator elections have three phases:
Nomination phase
Primary phase
Election phase
Most elections take between two and three weeks, ...
20
votes
2
answers
796
views
MathOverflow conferences
What would the appropriate initial steps be to host a MathOverflow conference?
Back in 2019 I hosted a party for the 10th anniversary of MathOverflow, and it was a blast.$^*$ Since then I've ...
- 7,697
18
votes
11
answers
872
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2022 Moderator Election Q&A – Question Collection
The purpose of this thread was to collect questions for the questionnaire. The questionnaire is now live, and you may find it here.
MathOverflow is scheduled for an election next week, 2022-09-19. In ...
- 101
5
votes
0
answers
210
views
Partial answer accepted, thinking it could have been easily extended and provided enough insights
Some days ago I posted a question and I accepted an answer, "although it’s only a very partial answer," as the answer author wrote in a comment. I accepted it because I thought that it ...
- 1,539
3
votes
2
answers
187
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Should we allow link-only answers that point to stable, well known and respectable sites?
I have just been presented with an answer in the VLQ queue that consisted essentially in a link to a preprint on arXiv. The user having posted it is a high reputation user, so he definitely knows the ...
- 4,995
1
vote
1
answer
80
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 <...
- 761
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votes
0
answers
146
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Asking if a post about a mathematical characterization of gravitational geons can be potentially interesting for the main site MathOverflow
I would like to ask about if a question about the following subject can be potentially interesting and on topic on MathOverflow. I would like to ask on the main site of MathOverflow about the ...
- 69
6
votes
1
answer
142
views
How to find highly upvoted comments?
My question is simple: is there a way to find the most highly upvoted comments on mathoverflow?
- 23.9k
23
votes
0
answers
910
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Upcoming election announcement (2022)
It has been quite some time since the last moderator election, and we decided that it would be a good idea to hold one soon.
This is just a preliminary announcement to let you know that this is going ...
- 36.6k