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The question you're asking is designed to solicit opinions or best-practices on a particular topic, with the goal of reaching community consensus.

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213 views

Is asking for the status of Vandiver's conjecture suitable for MO?

I wonder what the current status of Vandiver's conjecture in number theory is? An internet search revealed the paper "Vandiver's conjecture via K-theory" by Alexander Stolin from 2020 on the ...
1 vote
0 answers
211 views

Should this question be reopened

Given the comments, should this question be reopened Is |A| < |B| possible if A->B is surjective? With a negative score, no answers and closed it will be automatically deleted, losing the ...
18 votes
3 answers
1k views

Comment template for questions more appropriate for MSE

I think it would be nice to have a comment template that everyone could use when a (new) user asks a question on the site which is clearly more appropriate for MSE. Here's what I've been using today: ...
2 votes
1 answer
212 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 ...
7 votes
2 answers
603 views

What to do if an answer was subjected to a minor formatting-only edit?

Recently an answer of mine (https://mathoverflow.net/a/20820/402) was edited (or rather, a suggested edit was approved by two other users). The edit consisted exclusively of minor formatting changes, ...
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
169 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?
1 vote
1 answer
453 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 ...
1 vote
0 answers
126 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 ...
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
232 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
728 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 ...
3 votes
0 answers
216 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
128 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
285 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
210 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
564 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
117 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 ...
0 votes
0 answers
123 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 ...
13 votes
2 answers
397 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 ...
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 ...
17 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
638 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 ...
29 votes
0 answers
515 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 ...
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
379 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 ...
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
354 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
325 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.
48 votes
0 answers
951 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 ...
89 votes
3 answers
2k views

Stack Exchange moderation strike

You may or may not have heard that there are some controversies around moderation on the network, specifically in relation to the moderation of GPT-produced posts, but more generally around lack of ...
2 votes
1 answer
305 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. ...
1 vote
0 answers
93 views

Making my post easier to read

I tried to make this post easier to read but find it extremely difficult to get through grammatical-wise. I'm wondering if there is someone who can correct the grammar of this post or rewrite the ...
32 votes
1 answer
911 views

Problematic phrasing of Stack Exchange terms of service

There's a problem with how the Stack Exchange terms of service are phrased. Currently, they include the following paragraph: In the event that You post or otherwise use Subscriber Content outside ...
62 votes
3 answers
1k 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 ...
35 votes
1 answer
686 views

Opt out of the new upvote/downvote buttons?

I guess most of you have noticed by now the new upvote/downvote buttons. This seems to be in line with all the other SE sites (though I admit I haven't checked each and every one of them). Does MO ...
2 votes
1 answer
274 views

Clarifying an answer that was deleted by moderators

I recently posted a controversial answer to a question, then spent a few days off site life-tending while things cooled off. When I returned with the intent of seeing how the controversy had been ...
9 votes
3 answers
490 views

What should we call a tag on point-free topology?

The tag currently used for point-free topology (aka “pointless” topology) is “locales”. I think the name is a bit restrictive: while writing this question (which, indeed, does not contain the word “...
9 votes
1 answer
458 views

On the tag [bitcoins]

Since several questions under the tag bitcoins have nothing to do with Bitcoin per se, but, rather, are related to proof of work, why not rename the tag cryptocurrencies or proof-of-work?
17 votes
1 answer
586 views

imgur will remove some content soon. Does MathOverflow need to save images?

It has been reported that "Hosting site Imgur will remove explicit and anonymous content next month". Are there possibly some images linked in MathOverflow questions or answers, attached to ...
134 votes
60 answers
20k views

Best of MathOverflow, or papers inspired by MathOverflow

This is a place to collect MathOverflow success stories! Was some of your research inspired by something on MathOverflow? Do you know questions & answers that led to interesting research? ...

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