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17 votes
4 answers
1k views

Opting out of reputation

[Disclaimer. I'm making this feature request not because I want it nor because I think it's a good idea, but because I heard it so often that there is need to discuss it. Please don't shoot the ...
1 vote
0 answers
170 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?
5 votes
1 answer
111 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-...
1 vote
1 answer
460 views

What about talking about life? How to work, manage, organize, and so forth?

My question comes from a general an recurrent observation on MO (and more generally in the real academic life): doing research (in mathematics) is a whole ecosystem, full of different tasks and ...
15 votes
1 answer
326 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 ...
8 votes
2 answers
411 views

Providing a way to sort one's favorites by "date added"?

It is nice to have so many ways of filtering and sorting the thousands of threads in MO. So there I go, and my list of favorites becomes longer and longer. Most often I obviously add rather recent ...
1 vote
0 answers
127 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 ...
17 votes
2 answers
783 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 ...
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 ...
0 votes
3 answers
277 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 ...
68 votes
7 answers
8k views

At what point should MO recognise it needs to leave Stack Exchange Inc?

Edit Please note this is not me posting with my moderator hat on (I've signed the letter), and I didn't discuss this with the mod team before posting this. It's not within shouting distance of being ...
2 votes
0 answers
233 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 votes
1 answer
277 views

Mystery popup window

Last week or so, when I get into an SE site (MO in particular), a popup window appears in the lower left corner for few milliseconds. Some kind of clickable button there, with not enough time for me ...
8 votes
0 answers
729 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 ...
0 votes
2 answers
159 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}\\ ...
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 ...
5 votes
0 answers
134 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 ...
3 votes
0 answers
218 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 ...
0 votes
0 answers
131 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 ...
12 votes
1 answer
286 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, ...
0 votes
0 answers
211 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?
23 votes
1 answer
566 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 ...
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 ...
1 vote
0 answers
118 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
4 votes
1 answer
315 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 ...
-8 votes
1 answer
240 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 ...
0 votes
0 answers
126 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 ...
6 votes
0 answers
665 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 ...
13 votes
2 answers
404 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 ...
2 votes
2 answers
193 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 ...
33 votes
0 answers
590 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 ...
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 ...
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 ...
0 votes
1 answer
125 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 ...
29 votes
4 answers
1k views

What would be the disadvantages of a (hypothetical) MOexit?

The hypothetical possibility of MO leaving StackExchange was mentioned here on meta.MO a few years ago and was mentioned again recently. In a comment, Sam Hopkins asked what I think is a good ...
1 vote
0 answers
45 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 ...
33 votes
0 answers
639 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 ...
-4 votes
1 answer
430 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 ...
2 votes
1 answer
222 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 ...
29 votes
0 answers
516 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 ...
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 ...
8 votes
1 answer
220 views

Remove [tag:slick-proof] or make it a synonym of [tag:alternative-proof]

@YCor made a suggestion in an answer to another post (What is the intended use of the (proofs) tag?) a bit over a year ago. It received several upvotes, but does not appear to have been acted upon. ...
8 votes
0 answers
380 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 ...
2 votes
0 answers
72 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 ...
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 ...
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. ...
2 votes
1 answer
106 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://...
3 votes
1 answer
973 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 ...
2 votes
1 answer
356 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 ...
10 votes
2 answers
326 views

What is the tag [derivations] for?

Since the tag derivations has no usage guidance at the moment, I do not know when it should be used, which is unfortunate.

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