Trending questions
1,909 questions
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About a recent question of mine closed within minutes:
I asked a pretty big question on overflow sometime ago :
Some (philosophical) investigations on possible future of proof of Riemann Hypothesis with possible approach :
Clearly I have written "...
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Can we improve the way MathOverflow links appear on BlueSky?
I sometimes share MathOverflow posts on Twitter and now also on BlueSky, which seems to be appreciated. I have noticed, however, that the manner in which BlueSky interprets the MathOverflow image is ...
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0
votes
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answers
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A list of text recommendations
I've found Resource recommendations on Physics Stack Exchange which is a community effort to collect many book suggestions for many subjects in physics, and I thought it would be nice if there is one ...
55
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3
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Should MO require users to register to combat AI content?
This is in response to a request from David Roberts from this Meta question: Has MO been reduced to an AI training service, and if so what should we do about it?.
Should MathOverflow require users to ...
- 24.2k
4
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0
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Newest Questions tab showing last active user rather than the asker
Apparently this is stackexchange wide and is a bug. Here is the illustration from the question
"Newest Questions" tab showing last active user instead of the asker
I did ask, it is ...
- 25.7k
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Letters in \mathfrak appear displaced vertically
For me at least, the letters in $\mathfrak{su}$ appear vertically displaced — the "$\mathfrak{s}$" is lower than the "$\mathfrak{u}$". This happens only in the text body or in the ...
- 3,065
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Why was diamond removed from some MO moderators?
Tim Campion and Todd Trimble are currently not listed among the moderators. And their profile pages do not list them as moderators either.
At the same time, I haven't noticed some post on meta related ...
- 4,713
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Nominating other community members for the 2025 moderator election
As covered last election, there is no formal mechanism to elect other community members as potential moderation candidates, so this post will serve as an informal version of such.
If there are any ...
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1
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1
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Is this the appropriate to post a request for arxiv reference query, or is there another site I should use?
I have found a solution to a big research problem that I want to post on arxiv. Unfortunately, due to mental illness, I haven't worked in years and have no connections in any mathematical community.
...
35
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Has MO been reduced to an AI training service, and if so what should we do about it?
I feel like MO is no longer really doing what we intended.
When I look at a new question, rather than trying to help a person, I start thinking: is this a human? is the question really motivated, or ...
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Two accounts for me
I asked this question from my phone and I realized that it represent me as a new contributor.
I wish to ask the question from my own account.
In the past I frequently used my original ...
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Why were two edits 29 sec apart not counted as a common edit?
I noticed a few very minor formatting issues in Large(ish) finite non-abelian subgroups of $\operatorname{GL}_n \mathbb C$ for $n>70$ and, since it was on the front page, decided to fix them as ...
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If an MO post includes links to images not hosted on i.sstatic.net, should they be re-posted there?
The (very early!) post Most interesting mathematics mistake? recently came back to the front page, and I noticed that the excellent answer by @DanielMoskovich includes images sourced from Elwes's blog ...
- 12.9k
4
votes
2
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Why is the subscript on an `\xrightarrow` cut off, and how can I work around it?
I've recently asked Why is the label set too high in an \xrightarrow?. Here's another \xrightarrow question.
As you probably ...
- 12.9k
3
votes
0
answers
210
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Twitter account in the personal information
I recently checked my personal information and saw that there still is a possibility to add a link to twitter account.
Question:
Should the fact that twitter is now $\mathbb{X}$ and not so "...
- 13.2k
35
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0
answers
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Upcoming election announcement (2025)
As some of you have noticed, Tim Campion and Todd Trimble have stepped down from their moderator roles lately.
Consequently, the MathOverflow Board and the Moderator Team have agreed that it would be ...
- 39.9k
11
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2
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AI generated questions: a strange riddle?
So apparently now people are posting AI-generated questions (rather than answers). To me this makes no sense at all whatsoever -- why would anyone post a question to which neither they nor anybody ...
- 3,065
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How do I recognize an AI-generated question?
Apart from "being nonsense", how do I recognize an AI-generated question? Are there telltale signs? Could you post some examples, maybe as links to deleted questions?
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Understanding what I might have done wrong with this question
This is in regards to my recent question: Is there a rigorous way to formalize $\operatorname{Aut}(\zeta)$?. I must admit I was very surprised at the voting here with no feedback at all.
However to ...
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452
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Edits to capitalization in titles
Given that
there are different rules for the capitalization of words in headlines, e.g. for newspapers; here is randomly chosen link to some rules
there are no related styleguides for MO
I would ...
- 13.2k
3
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1
answer
120
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Why is the label set too high in an `\xrightarrow`?
In $\xrightarrow{=}$, the = sign is too high. (Actually, on further experimentation, that's just the label where I first noticed it; the problem seems to occur ...
- 12.9k
52
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63
answers
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News of potential interest to the MO community
Occasionally, there has been a suggestion to start a meta question to collect information that might be of interest to the MO community. This is an attempt to start such a thread.
Is there any news ...
17
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0
answers
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Possible MathJax upgrade
Since not all interested MO users frequent meta.SE, here’s a heads up that some work is underway towards the possibility of upgrading MathJax v2 to v3 or v4 on Stack Exchange sites including ...
- 47.8k
2
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0
answers
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Detecting AI, and finding reasons for deletion by Community Bot
My question here is about a particular post, but I think this may be of interest in other similar cases.
The post in question was titled Recurrence with square roots, and it was deleted by Community ...
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Can/should we tell people that AI cut and paste answers are not welcome?
We now commonly see new users pop up and post a string of nonsense, AI-generated answers to a bunch of questions, before their accounts are eventually banned.
In order to counteract this, could we ...
- 24.2k
16
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1
answer
1k
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Why is the site being flooded with junk right now? What is being done about it?
Right now the site is being flooded with posts from new users, with pseudonymous names, who use a mixture of obvious AI-generated nonsense mathematics and weird sentences (sometimes borderline ...
- 24.2k
16
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2
answers
1k
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Users using AI to write lots of answers
Recently, there are a lot of new pseudonymous users with a peculiar pattern of posts: only answers, no questions, in lots of widely differing areas of mathematics (where it is unlikely that one random ...
- 3,065
136
votes
61
answers
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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? ...
68
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7
answers
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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 ...
- 35.5k
38
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4
answers
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Most important results of the year - appropriate or not?
The question Most important results in 2023 has been posted to MO, and as in previous years, has had a mixed reception. (EDIT: As of this writing, the post has been deleted by the author, presumably ...
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0
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Does counter of answers also count deleted answers?
I noticed it at the question Outer semidirect product: the answer counter currently says "2 Answers"; there are indeed two answers, but one of them is closed, hence only visible to high ...
- 18.4k
0
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1
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How to invite a user for a private chat
How to invite a user to a Private MO chat.
I read the following but I do not know how to apply it yet.
Your help is appreciated
https://meta.mathoverflow.net/a/3635/36688
I have to ...
- 366
12
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1
answer
329
views
Site in read-only mode, but users are still posting new material
For a day now, every time I go to MathOverflow, it says "This site is currently in read-only mode. We’ll return with full functionality soon." But I also see what appear to be new posts from ...
- 39.9k
6
votes
1
answer
540
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Should the tags (peano-arithmetic) and (theories-of-arithmetic) be merged?
TL;DR: Should the tags peano-arithmetic and theories-of-arithmetic be merged? Is some clean-up needed before doing that? Or are there some reasons not to merge these tags?
In October 2020, a tag ...
- 4,713
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votes
2
answers
477
views
dispute -100 rep decision
I was given -100 reputation for this sound mathematical post https://mathoverflow.net/questions/473947?noredirect=1#comment1231454_473947
This is excessive and I want to dispute this decision, how do ...
- 360
8
votes
1
answer
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Disappearing comment
I posted two comments on this (quickly closed) post. My first comment disappeared. In it I explained my closure vote (which I think is polite to do). I also explained how I thought the post could be ...
- 28.2k
27
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1
answer
1k
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OpenAI and MathOverflow?
The agreement between SO and OpenAI seems to have resulted some ill humour. Does MO plan to follow?
- 2,545
1
vote
0
answers
149
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Close votes on questions with good answers
When reviewing close vote queues I frequently encounter cases of several close votes on questions that have received one or more more or less elaborate answers, frequently with several upvotes each. ...
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-10
votes
1
answer
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User destroyed without explanations or obvious reasons
Yesterday (June 6), somebody posted this answer (now deleted, so users with <10k reputation will not see it). I have not bothered checking whether it is correct, but it surely looks reasonable, and ...
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4
votes
1
answer
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Question preview MathJax error
When I search this, I get this answer preview:
However, there is a dollar sign after the V=L in the post:
...
- 328
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votes
1
answer
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What do you think about the following MO question?
What do you think about the following MO question?
By posting this question for feedback I am following David Roberts' very patient and kind advice.
If you have already seen the question below please ...
- 360
19
votes
2
answers
778
views
More spam bots than usual?
Has anyone noticed the site getting a lot more spam posts than usual over the past couple days? The ones I've seen repeatedly have "BingX referral codes" or similar codes for Bitcoin or ...
- 24.2k
-6
votes
1
answer
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Can I know why my post was deleted by a bot?
My question Compiling a List of Schauder Bases for Function Spaces was deleted by a bot, I want to know why.
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0
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goo.gl is closing down
goo.gl, a URL shortener service from Google, is shutting down, and in one year it will no longer work: https://news.slashdot.org/story/24/07/18/216211/google-url-...
- 20.2k
55
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2
answers
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ChatGPT strikes MathOverflow
The user (or a bot) https://mathoverflow.net/users/496085/canvas123 appears to be posting ChatGPT-generated text on MathOverflow.
Two “answers” by this user already got accepted (!):
When is a ...
- 37.8k
5
votes
1
answer
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Why doesn’t the LaTeX render here?
This question has a block of valid LaTeX which doesn’t render when viewed except on edit mode. Below are 2 screenshots from my phone. One in edit mode and the other in regular mode.
I used QuickLaTeX ...
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38
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1
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MO answer formalized in Lean
I have formalized an answer at
Homeomorphisms and "mod finite"
by @VilleSalo, in
a moderately-sized Lean file.
Outcome: his claims turned out to be 100% accurate.
(The only stumbling block ...
- 24.8k
15
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1
answer
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Are "has this been studied before" questions on topic?
I have a fairly elementary question but rather than feeding it straight to the wolves I thought I would ask it here. Well, via a more general question:
Are questions of the form "has $X$ been ...
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3
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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 ...
Ben WebsterMod
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11
votes
2
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Streamlined tagging for Mochizuki
For better or worse, there is a number of questions at MO on Mochizuki's stuff. I noticed that some of the questions have the tag "abc-conjecture" while others don't have this tag. Should ...
- 16.6k