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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
  • 10.6k
1 vote
1 answer
70 views

Should we be more polite when closing non-research-level questions?

We get many questions from students (usually in high school, or less-advanced undergrads) that are clearly off-topic since they’re well below research-level. Mods and high-rep users are generally ...
Peter LeFanu Lumsdaine's user avatar
1 vote
1 answer
109 views

Undelete a post

Is there any possibility of undeleting a post? I know it was closed years ago as not MO level. So maybe it could be undeleted and then moved to MSE? Just because it hosts a discussion which is ...
ziggurism's user avatar
  • 1,406
-1 votes
0 answers
91 views

About the reasons for deletion of a specific question

This post is intended to solicit feedback from the community on a post made on the Math Overflow site. The link to the publication is the following: https://mathoverflow.net/questions/458514/an-...
Yapet G.'s user avatar
7 votes
3 answers
462 views

Request for improvements to the citation bibtex format

According to my bibtex files, I have made citations in my various published articles to 71 different posts on MathOverflow, both questions and answers, often multiple times in different articles, when ...
Joel David Hamkins's user avatar
-1 votes
0 answers
122 views

Reopening request for question on terminology [duplicate]

An edit to explain that the question asks for a reference was included, and the tag reference was added. Notice that the duplicate claim does not hold up to scrutiny. So please reopen the question &...
Frode Alfson Bjørdal's user avatar
1 vote
0 answers
153 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?
Michael Hardy's user avatar
3 votes
1 answer
96 views

Getting list of users ordered by date joined

Back in the old days before we moved to the current stackexchange platform, you could list users sorted by their user number. Is it still possible to get such a list? I'm trying to remember an old-...
Andy Putman's user avatar
  • 42.5k
1 vote
0 answers
112 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 ...
Daniele Tampieri's user avatar
15 votes
1 answer
312 views

affiliation or association (in the wording of the promotion help page)

There is a little discussion in the comments of a recent MO question on the meaning of the word "affiliation" in our promotion help page. If you promote one of your own publications in a ...
Carlo Beenakker's user avatar
3 votes
1 answer
186 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 ...
LSpice's user avatar
  • 10.6k
7 votes
0 answers
252 views

Feature: Making the MO-guidelines visible while editing questions?

I noticed that some of the MO questions that get closed are clear-cut going against the MO-guidelines eg. "here is the link to my new result" or "here is the jpg file of my homework ...
Thomas Kojar's user avatar
  • 3,883
0 votes
3 answers
253 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 ...
domotorp's user avatar
  • 18.6k
2 votes
0 answers
231 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 ...
Jukka Kohonen's user avatar
7 votes
0 answers
714 views

Is this an AI bot? Can't tell if answer is from a real person

This question of Baez is getting a string of strange answers. I can't tell if the author is a mathematician, but their answers don't make much sense to me. Which finite abelian groups aren't ...
Ryan Budney's user avatar
  • 42.3k
17 votes
2 answers
756 views

Does anyone remember seeing this answer/comment? (A famous result known earlier than believed)

I remember seeing the following interesting exchange recently on MathOverflow: someone asked a question about something, another person ($X$) answered (or commented) that the answer is such-or-such ...
Gro-Tsen's user avatar
  • 28.4k
4 votes
1 answer
123 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 ...
user127776's user avatar
  • 5,781
0 votes
2 answers
104 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}\\ ...
Stephen Elliott's user avatar
5 votes
0 answers
123 views

Is there a way to recover old account without email?

I would like to recover my account https://mathoverflow.net/users/2029/andrey-gogolev I don't seem to remember the email associated to it. Even if I did I probably don't have that email address ...
Andrey Gogolev's user avatar
3 votes
0 answers
208 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 ...
Dumbest person on earth's user avatar
0 votes
0 answers
110 views

Should the dots used in lambda-calculus notation be typographically treated the way binary relation and binary operation symbols are?

Within this question we find the notation $\lambda f . \lambda g . \lambda x.f(g\ x)$, and that causes me to wonder about a point of LaTeX and MathJax usage. The code ...
Michael Hardy's user avatar
0 votes
0 answers
201 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?
Tri's user avatar
  • 1,250
5 votes
1 answer
104 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 ...
Sergei Ovchinnikov's user avatar
23 votes
1 answer
549 views

Drive-By Deletion of Answer to Own Question by Moderator

I'm a bit confused by some moderator action. I posted a question asking for a direct proof of a certain fact. A superb answer was provided by Jochen Glueck. (Thanks again!) I came across another proof ...
user24601's user avatar
  • 165
12 votes
1 answer
282 views

How to recommend that a question is better suited for another SE site that isn't listed in the close reasons?

Today I found MO questions where commenters recommended that Proof Assistants or History of Science and Mathematics would be preferable to MO. Other better placements I remember include Mathematica, ...
Brian Hopkins's user avatar
1 vote
0 answers
114 views

There is no any answer box for this post

I would like to add an answer to this question but there is no any answer box for this question. What is the reason? Nonequivalent definitions in Mathematics
Ali Taghavi's user avatar
-7 votes
1 answer
206 views

Is asking to verify my P=NP proof appropriate?

Is providing link to my (8 pages) proof of P=NP and asking to check my proof appropriate for a MathOverflow question? The proof is on professional mathematician level (uses advanced logics) and does ...
porton's user avatar
  • 739
0 votes
0 answers
113 views

Is deleting posts a good practice?

In principle, MO posts can be cited in papers; on the other hand, MO posts get deleted sometimes. There is a risk, then, of referring a MO post which no longer exists. Is deleting posts a good ...
Iman Mosleh's user avatar
6 votes
0 answers
245 views

FirefoxCP Isolated Web Content CPU overdrive

Just recently, MathOverflow has started to cause Firefox to use massive CPU resources, at least on my machine. In particular, I'm on a Macbook Pro 2.3 GHz 8-Core Intel Core i9 running Ventura 13.4.1 ...
Dave Benson's user avatar
  • 9,966
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 ...
David Roberts's user avatar
  • 33.2k
33 votes
0 answers
580 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 ...
David Roberts's user avatar
  • 33.2k
4 votes
1 answer
300 views

Posting a technical/narrow open question on mathoverflow?

I am a bit confused on our policy for open-problems. Are we allowed to post a technical/narrow conjecture/open problem on MO? For example, here is a type of a beautiful question that I have in mind ...
Thomas Kojar's user avatar
  • 3,883
0 votes
1 answer
116 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 ...
Stanley Yao Xiao's user avatar
1 vote
0 answers
44 views

Transferring a misplaced question after it has a positively received answer

I recently goof'd and forgot that hsm.stackexchange exists, and posted a history of mathematics question here. This was kindly pointed out to me by a user here, but the question already had a ...
Alec Rhea's user avatar
  • 8,878
2 votes
2 answers
182 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 ...
Maharana's user avatar
  • 1,742
13 votes
2 answers
368 views

The tag (elementary-number-theory) - yes or no?

The tag elementary-number-theory was created and removed a few times in the past. And recently it was created again - it is still listed among the new tags. Should there be a separate tag for ...
Martin Sleziak's user avatar
-4 votes
1 answer
378 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 ...
Jason Polak's user avatar
  • 1,843
33 votes
0 answers
631 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 ...
David Roberts's user avatar
  • 33.2k
2 votes
1 answer
115 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 ...
LSpice's user avatar
  • 10.6k
17 votes
0 answers
879 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 ...
Joseph O'Rourke's user avatar
29 votes
0 answers
506 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 ...
David Roberts's user avatar
  • 33.2k
3 votes
1 answer
125 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 ...
LSpice's user avatar
  • 10.6k
2 votes
0 answers
53 views

How do backticks, escaped backticks, and math mode interact, in posts and comments?

I know I can escape backticks, like `. I though I could escape backticks within backticks, as I did in a comment, but it's not working here: a\b`. See a comment ...
LSpice's user avatar
  • 10.6k
7 votes
0 answers
376 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 ...
Alex M.'s user avatar
  • 5,105
5 votes
2 answers
187 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 ...
LSpice's user avatar
  • 10.6k
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. ...
David Roberts's user avatar
  • 33.2k
2 votes
1 answer
117 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 ...
Super Coder's user avatar
2 votes
1 answer
102 views

Custom filter is stuck on

I had a custom filter for questions in tag co.combinatorics with no answer. It seems to be "stuck" in the sense that if I go to the "generic" page for that tag, https://...
Peter Taylor's user avatar
  • 6,191
2 votes
1 answer
344 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 ...
Arbuja's user avatar
  • 1
47 votes
0 answers
932 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 ...
David Roberts's user avatar
  • 33.2k

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