All Questions
1,888
questions
1
vote
0
answers
101
views
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 ...
- 4,199
55
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 ...
- 790
20
votes
2
answers
846
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 ...
- 150k
13
votes
6
answers
2k
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 ...
- 81.7k
16
votes
1
answer
705
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 ...
- 161
38
votes
5
answers
4k
views
History of MathOverflow
What is history of this site? When and by whom was it created?
What were the important milestones of this site?
- 34.9k
23
votes
1
answer
4k
views
My question was closed on MO because it is not research level. Where should I ask instead?
If a question is closed (put on hold) on MathOverflow as off-topic for not being research level-question, but it is still a question about mathematics. What might be a suitable place for such question?...
- 4,658
11
votes
0
answers
227
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 ...
- 4,658
4
votes
0
answers
77
views
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.
- 5,103
2
votes
1
answer
432
views
Remove the option to migrate questions anywhere
I would like to see the "migrate" option disappear, for multiple reasons.
First, it seems presumptuous for those of us who don't participate on, say, math.stackexchange, to express opinions about ...
- 4,658
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 ...
- 4,658
17
votes
24
answers
3k
views
Help improve tagging!
Please help by writing tag wikis for your favorite tags!
Use answers to this post to suggest tag synonyms.
Finally, if you're a 10k+ user, note how easy it is for you to edit tags now!
- 62.6k
0
votes
0
answers
133
views
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(...
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-3
votes
1
answer
205
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 ...
- 4,658
9
votes
2
answers
213
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'...
- 4,658
13
votes
3
answers
584
views
Cleaning up comments
Traditionally, MathOverflow moderators only delete comments that are highly problematic. Even in that case, we copied the entire deleted comment thread to tea.mathoverflow.net. Since migrating to the ...
- 12.3k
4
votes
1
answer
189
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 ...
- 12.3k
5
votes
1
answer
277
views
Any chance of a "save for later / TODO" feature?
Sometimes when browsing MO questions I have the need to "save for later" for various reasons. There is a star for favoriting questions, it would be very useful to have "TODO" labels beyond just the ...
- 4,658
4
votes
2
answers
185
views
Removing "tag-removed" tag
Currently, contra its intention the "tag-removed" tag has more than $300$ associated questions, many of which are upvoted and have actually contentful tags. This seems like a situation ripe ...
- 4,658
14
votes
1
answer
324
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 ...
- 2,741
19
votes
1
answer
640
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 &...
- 38.9k
17
votes
3
answers
1k
views
Frequently asked questions about tagging on MathOverflow
Due to several discussions on the main site, I am asking this question concerning the best practices for tagging questions on MathOverflow. Unfortunately, the relevant documentation page https://...
- 4,658
4
votes
1
answer
237
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 ...
- 62.6k
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 ...
- 12.3k
6
votes
1
answer
1k
views
Registered vs. unregistered users?
What does it mean if a user is unregistered?
I'm interested in the questions and answers of a particular user, let's say "SAM". I clearly see questions that SAM has asked, but when I search for "SAM"...
- 4,658
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 ...
- 23.7k
6
votes
1
answer
4k
views
What happened to the stack exchange app for iOS?
The stackexchange app would no longer launch, I tried to reload it from the Mac App Store, and it’s not there (or at least, I could not find it).
I probably missed some event, is there an alternative?
CommunityBot
- 1
16
votes
4
answers
2k
views
Should there be any concern about the number of questions imported into PhysicsOverflow?
I just happened to note that http://www.physicsoverflow.org/ now exists; this isn't a stackexchange website, but seems to run on similar software, and with similar goals to mathoverflow, which seems ...
7
votes
1
answer
474
views
JavaScript loading problem
In my hotel in Shanghai, I get the error message
MathOverflow requires external JavaScript from another domain, which is blocked or failed to load.
Is there a work around for this? Posts load very ...
CommunityBot
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9
votes
0
answers
291
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 ...
- 4,579
8
votes
1
answer
177
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 (...
- 12.3k
5
votes
1
answer
520
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 ...
- 101
2
votes
1
answer
225
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 ...
- 34.9k
-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, ...
- 38.9k
4
votes
1
answer
391
views
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 ...
- 4,658
7
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 ...
- 46.3k
-5
votes
2
answers
580
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",...
- 34.9k
12
votes
4
answers
596
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 ...
- 62.6k
14
votes
1
answer
366
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+).
...
- 38.9k
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 ...
- 38.9k
7
votes
1
answer
542
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, ...
- 34.9k
19
votes
2
answers
977
views
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 ...
- 101
14
votes
0
answers
218
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 ...
- 4,658
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 ...
- 1,446
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 ...
- 4,658
-14
votes
2
answers
622
views
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 ...
- 1,163
4
votes
0
answers
287
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
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votes
11
answers
903
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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
25
votes
4
answers
1k
views
Examples of mathematical exposition arising from MO answers
I could imagine that several very long Mathoverflow answers have eventually turned into expository papers. For example, I have posted this (unpublished) expository paper on the arxiv about various ...
- 1,876