Trending questions
1,909 questions
2
votes
2
answers
195
views
Writing personal notes on specific questions
It would be nice to be able to add non-public notes for oneself on interesting questions on MO (of which there are very many), for later remembrance and further thinking on it. These notes can remain ...
- 1,742
18
votes
0
answers
1k
views
"In the past one and half years, Stack Overflow has lost 50% of its traffic."
In a tweet by Mahesh Sathiamoorthy, I saw a chart showing a substantial recent drop:
Two questions: (1) Is this accurate? (2) What does the analogous chart for MathOverflow show?
(I can't remember ...
- 151k
37
votes
0
answers
1k
views
Moderation strike update 6 and last : back to work
As you probably were aware, since early June moderators around the whole SE network have been striking, including at MathOverflow. We appreciate your patience through this time, and there has been a ...
- 35.5k
82
votes
4
answers
26k
views
Is there a way to discuss the correctness of the proof of the RH by Atiyah in MO?
I just made a question in MO to discuss the correctness of the proof provided by Prof. Atiyah for the Riemann hypothesis (link here: Is there an error in the pre print published by Atiyah with his ...
- 515
24
votes
4
answers
825
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, ...
- 64k
5
votes
1
answer
135
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 ...
- 5,901
5
votes
2
answers
195
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 ...
- 12.9k
16
votes
1
answer
716
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 ...
- 35.2k
0
votes
2
answers
183
views
How is it possible to format a right-aligned sequence that has single and double digits so that the alignment is correct?
I have this MathJax sequence that I want to format properly in MathOverflow:
$$S_m =
\begin{cases}
\begin{aligned}
1, \quad\text{for m=1}\\
12, \quad\text{for m=2}\\
123, \quad\text{for m= 3}\\
...
- 101
2
votes
1
answer
316
views
Why suspend a user for 100 years instead of deleting his/her account?
I have just discovered that users can be suspended for 100 years. This raises the question: why suspend for such a long duration (which practically means banning), instead of simply banning (i.e. ...
- 5,407
7
votes
1
answer
225
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-...
- 12.9k
63
votes
3
answers
2k
views
Is there a software solution if we do cut the cord from SE?
There has been some recent concerns about MathOverflow's relationship with StackExchange: see
What is MathOverflow's "agreement" with Stack Exchange?
How much is MathOverflow exposed to ...
- 39.1k
1
vote
0
answers
175
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?
56
votes
4
answers
4k
views
How much is MathOverflow exposed to recent events on StackExchange?
[Long-time 10k+ MO user here, asking this question anonymously for reasons that should be obvious.
Added Oct 16: My access to this account will self-destruct in 3, 2, 1 .... (sorry, won't be able to ...
33
votes
0
answers
598
views
Moderation strike update 5 : the results of negotiations
The negotiations over the strike have ended with agreement addressing all the issues raised by the striking moderators. The post on meta.StackExchange was vetted and agreed to by both sets of ...
- 35.5k
33
votes
0
answers
646
views
Moderation strike update 4
This update is to point to two posts by the company on the platform-wide meta site, Meta Stack Exchange.
The post (Historical) Policy on the use of GPT Generators is a copy of the private policy on ...
- 35.5k
9
votes
2
answers
889
views
`\intertext` in MathJax
MathJax, at least as used on MO, recognises many multi-line environments, like {multline}, {align}, and ...
- 12.9k
6
votes
1
answer
115
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 ...
40
votes
0
answers
1k
views
Moderation strike update 2
There has been movement at the station. Reposting an update on how the negotiations are going from this answer on meta.StackExchange, which also gives details on other updates over the past fortnight.
...
- 35.5k
2
votes
1
answer
359
views
How can I improve my posts to attract responses?
This is a follow up to this post:
I haven’t received a response from either this or this post, since, according to @Asaf Karigila:
"The longer, more detailed, more effort that is required to ...
- 63
2
votes
0
answers
234
views
Undelete request, question 455497 [duplicate]
I'm asking if question 455497 could be undeleted. It was about multiplicative persistence. Even if the question itself was not that well-prepared, it was a valid question about research (at some level ...
- 4,219
3
votes
1
answer
2k
views
Writing a bar on top of a number
I want to write a question in which I have a bar on top of a number or letter to represent a recurring digit. however, I can't find any options to write the particular digit, even when I search the ...
35
votes
4
answers
2k
views
Answers in comments are increasingly more common
I have checked a random sample of questions in the main page, and it seems that almost every one of them has some form of answer in the comments, apart from completely unanswered/untouched ones.
This ...
- 20.2k
29
votes
0
answers
522
views
Moderation strike update 3
There was a lull in the negotiations, for various innocuous reasons that are not relevant. But on 20th July 2023, the following update was posted to Discord by negotiator Mithical, and reposted at the ...
- 35.5k
6
votes
1
answer
242
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 ...
- 20.2k
7
votes
1
answer
566
views
The number of MO users
Is there any statistics/diagram that shows and compares the number of MO users in the course of time?
- 366
48
votes
0
answers
963
views
Moderation strike update 1
As announced a little while back, MathOverflow moderators are participating in a network-wide moderation strike (currently at 121 moderators striking; see the background post for more details). The ...
- 35.5k
2
votes
1
answer
239
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 ...
- 12.9k
7
votes
2
answers
579
views
Are there policies to respect in order for MathOverflow Q&As to be tracked back in relevant zbMATH Open reviews?
Are there policies to respect in order for MathOverflow Q&As to be tracked back in relevant zbMATH Open reviews?
I am asking this since I noticed that all questions and answers to which I ...
- 6,377
9
votes
2
answers
215
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'...
- 56.9k
20
votes
2
answers
852
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 ...
- 10.1k
1
vote
0
answers
128
views
On documents found over the internet and sites that make them available
Yesterday on MO I saw this question and gave this answer by posting a link I found by googling (more precisely, I used DuckDuckGo). The sought for paper is from a series of preprints issued by the ...
- 6,377
20
votes
7
answers
2k
views
Can MO go back to +5 rep for questions? Should it?
In case you missed the news, upvotes on questions now grant +10 reputation instead of +5, and the change has been implemented retroactively (most if not all users have already had their reputation ...
- 28.2k
3
votes
0
answers
45
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 ...
- 12.9k
6
votes
6
answers
815
views
I have a question which is a near fit for MathOverflow. What are some other resources I might consult?
What are some other resources which might be useful for somebody considering asking a MathOverflow question, especially if their question is not quite a perfect fit here?
In asking this, I have ...
- 64k
3
votes
0
answers
223
views
What happened to my MathOverflow account?
I posted this question from my account two days ago. Now suddenly, I saw I don't have an account any longer. I tried to log in and Overflow created a new account. Can someone please shed some light on ...
3
votes
1
answer
139
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 ...
- 12.9k
5
votes
1
answer
317
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....
- 5,407
0
votes
0
answers
213
views
May I Offer Money to People Who Answer My Question on MathOverflow?
Erdos and others have offered prize money to people who answered their questions.
May I offer money to people who answer my questions on MathOverFlow?
- 1,644
4
votes
1
answer
244
views
Looking for an answer (written by Thurston = user9062)
I recall that Thurston answered a question, showing that a particular graph braid group is the fundamental group of a three-manifold. I even recall that the answer proved that the three-manifold was ...
- 28.2k
0
votes
1
answer
128
views
Are questions about mathematical writing acceptable on the main site?
I have a question concerning mathematical writing, a draft of which is posted below if you are interested. The question I wish to ask on Meta however is about whether questions concerning mathematical ...
- 27k
14
votes
1
answer
334
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 ...
- 1,677
10
votes
4
answers
324
views
Is it possible to see the source for a comment?
Although this question seems to be new to M.MO, @MartinSleziak points out several related posts on Meta.MSE.
I was curious about the diagrammatic magic of @YaakovBaruch's recent comment, and so ...
- 12.9k
-5
votes
2
answers
329
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 ...
- 6,132
8
votes
0
answers
383
views
Will the closure of Gfycat affect MO?
Gfycat is a hosting service for (animated) GIF files, which will close on September 1st, 2023. Since some MO users might have included GIF files hosted on Gfycat in their posts, does the service's ...
- 5,407
27
votes
2
answers
1k
views
MO policy regarding pseudonyms that are other people's real name
I have noticed just now that a user has chosen as pseudonym "Alexander Grothendieck", which I'm a bit unconfortable with (the probability that it is also that user's name is extremely low, hence my ...
- 2,901
14
votes
1
answer
369
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+).
...
- 611
50
votes
7
answers
3k
views
What do you want to do in September for MO's tenth anniversary?
On Sep. 28, 2009, MathOverflow went online, and has almost ten years of almost constant operation, thanks to StackExchange.
There will be an obligatory post observing the anniversary. The board of ...
- 13k
-4
votes
1
answer
450
views
Should Mathoverflow take a stand against AI?
I am a mathematician with a PhD from 2016 and a long-term user of this website, though I've not been active of late.
I am wondering, should Mathoverflow take a stand against Stackexchange for their ...
user1437
36
votes
4
answers
1k
views
MathOverflow to the rescue -- not in the usual way
Every now and then we get a post to meta about ways in which MathOverflow has improved the quality of someone's research. One way I haven't seen mentioned is one that just now happened to me, and (...
- 23k