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19 votes
1 answer
711 views

OpenAI and MathOverflow?

The agreement between SO and OpenAI seems to have resulted some ill humour. Does MO plan to follow?
J.J. Green's user avatar
  • 2,497
5 votes
1 answer
124 views

Is something wrong with the citation helper?

I've found the citation helper very useful for inserting references in posts, and I always used to be very impressed at its ability to find details of even some quite obscure papers. But recently it ...
Jeremy Rickard's user avatar
-5 votes
0 answers
135 views

Please, reopen my old question, I now have the answer

I want to answer my old closed question myself. Is there a formula or algorithm to remove infinitesimal and oscillating parts from an expression while keeping finite and infinite ones?
Anixx's user avatar
  • 9,496
2 votes
0 answers
106 views

Announcement: A stacks project for category theory

I'm releasing today The Clowder Project, a tag-based wiki and reference for category theory powered by Gerby. I plan to eventually make it into a comprehensive resource for category theory, in the ...
Emily's user avatar
  • 11.3k
1 vote
1 answer
67 views

What tags are appropriate for a "reverse" reference request?

I have a just asked a question, searching for information on a reference, but I'm not sure what tags to use. I know the reference, although I know no further details about it. A similar question ...
Kepler's Triangle's user avatar
-5 votes
0 answers
307 views

Is something objectionable about this question?

Reference request: Expository paper on the use of functional analysis in differential and integral equations Nobody's said a word about this question, but somebody down-voted it. They didn't explain ...
Michael Hardy's user avatar
39 votes
1 answer
857 views

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 ...
Bjørn Kjos-Hanssen's user avatar
0 votes
1 answer
159 views

Are questions about whether a type of work/problem/solution or (one's own) arxiv paper is publishable on topic?

This is a bit related to the question: Are "has this been studied before" questions on topic? If I post something in the arxiv, can I ask for an opinion as to whether: 1) it's been done ...
Jim's user avatar
  • 310
19 votes
2 answers
725 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 ...
Sam Hopkins's user avatar
4 votes
0 answers
104 views

Discrepancy between MathOverflow logo and this site's logo

There is a slight difference between the sizes of the boxes in the MO logo and the Meta.MO logo. The MO logo's box is slightly longer and the gap in the rightmost side is slightly less tall. The ...
C7X's user avatar
  • 1,400
4 votes
0 answers
217 views

A mathjax issue with stars in super/subscripts

I encountered Topos associated to a category with glowing-red \*s in it. When trying to edit them out I discovered that whenever I try to replace an ...
მამუკა ჯიბლაძე's user avatar
11 votes
2 answers
668 views

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 ...
Mikhail Katz's user avatar
  • 15.6k
0 votes
0 answers
171 views

Incentivizing ‘bad’ questions

As a 5+ year member of MO, I remember the old days when upvotes on questions only netted you 5 points as opposed to the current 10. While I was generally glad to see good questions being rewarded in a ...
Alec Rhea's user avatar
  • 9,047
8 votes
1 answer
559 views

MathOverflow answers and peer review

Sometimes, the asker does not have sufficient background to verify an answer. How should one handle such cases? Some of the signals on whether to accept such an answer are whether it 'looks' good, ...
Dmytro Taranovsky's user avatar
1 vote
1 answer
75 views

Ordered rings tag

I've noticed that while there are tags ordered-groups and ordered-fields, there is no tag ordered-rings. The issue is that there was a little amount of questions with this tag. So it got deleted. I ...
Jakobian's user avatar
  • 817
2 votes
2 answers
242 views

All these invalid weblinks

I found so many web links became invalid on the questions and even more on the comments. Please be aware of this issue. In the future, this site needs to either repair the invalid links or advise ...
Ming Lei's user avatar
15 votes
1 answer
425 views

Is it fine to repost questions from a paper

Is it fine to re-ask open questions from ones paper on mathoverflow? On the one hand, I am interested in finding an answer to the question, and it might help if it is more publicly available. But if I ...
HenrikRüping's user avatar
50 votes
0 answers
808 views

How do we fit in with Stack Exchange’s new AI agreement with Google?

Stack Exchange has some kind of new AI agreement with Google, as announced in their blog. I’m just trying to get caught up myself here on what exactly is going on, but one real possibility is that ...
Tim Campion's user avatar
  • 61.9k
4 votes
0 answers
152 views

Why doesn't the prime in $\sum_n'$ sit flush against the summation symbol?

The TeX snippets $\sum_n'$ \sum_n' and $\sum_n^\prime$ \sum_n^\prime should (as with all things TeX, barring trickery) be ...
LSpice's user avatar
  • 11.6k
1 vote
1 answer
325 views

Could MO use a minus sign for negative numbers?

I just noticed that negative vote totals are recorded with a hyphen: In general within the StackExchange network it's probably not worth fussing over, but, here on MO, maybe we could use a minus sign ...
LSpice's user avatar
  • 11.6k
15 votes
1 answer
553 views

Request to consider undeleting an answer

Apologies if this should go in the "requests to undelete questions" thread but this seems to be technically different. I noticed that this answer https://mathoverflow.net/a/465960/ has ...
Yemon Choi's user avatar
  • 25.5k
-6 votes
1 answer
261 views

Why can't I post a question?

I'm not good at expressing myself and need research level math help, to assist my research in mathematics, to help the community. Please let me express myself here as I am just trying to get ...
matt's user avatar
  • 1
0 votes
1 answer
219 views

Inconsistency in MO votes

Yesterday I sent this question to a friend of mine. He told me he upvoted my question. When I go to my notifications, I don't see the vote. But when I go to the history of my question, it can be seen ...
Emmanuel José García's user avatar
5 votes
0 answers
75 views

Missing brackets in $\{x\}$ in drafts, not missing in the final question/product

I am using the latest version of Firefox on Linux (bodhi linux) as well as Mac and Windows. Some $\LaTeX$ is not typeset correctly in MathOverflow: whenever I type a set, like the singleton $\{x\}$, ...
Dominic van der Zypen's user avatar
3 votes
0 answers
77 views

Including a hash character (#) in a math equation causes it to not render (in new-question page)

I want to ask a question about a paper that uses this notation: However, when I typeset it in MathJax with ...
Lawton's user avatar
  • 105
1 vote
2 answers
337 views

Why was my spam flag declined on an answer that does nothing but promote the answerer's book?

I recently encountered an answer that does nothing but refer to the poster's book: Please look pages 141-147 of the book: S. Saitoh and Y. Sawano, Theory of Reproducing Kernels and Applications, ...
EJoshuaS - Stand with Ukraine's user avatar
4 votes
1 answer
209 views

A MathJax/LaTeX question

In This question, the following appears: $$[0,2] \times \left[0,4-\sqrt{3}\right] \times \left[0,4-\sqrt{3}\right] \times \mathop{\Large\times}_{i=1}^{k-3}[0,2]$$ Thinking that that last $\times$ ...
Michael Hardy's user avatar
19 votes
1 answer
823 views

Using mathoverflow as a blog

In the past, I’ve seen instances where a user has been accused of ‘using mathoverflow as a blog’; the specific criteria for when this accusation is leveled vary, but generally the following are ...
Alec Rhea's user avatar
  • 9,047
7 votes
2 answers
127 views

Is there a way to download all your contributions?

Suppose I want to download all my questions and answers, e.g., as separate latex files. Is there a way to do this automatically? For example, this can be done on Facebook and on Google. There are many ...
David White - gone from MO's user avatar
15 votes
2 answers
826 views

Suggestions for the design of a font for math articles/books

Recently I've resumed work on a font I'm currently developing, meant to be released as a completely free, open-source, OFL-licensed font designed specifically for use in papers, theses, books, lecture ...
Emily's user avatar
  • 11.3k
2 votes
1 answer
106 views

Is there a way to see the up/down vote spread on all questions asked by a given user?

When you as a user get some sufficiently high reputation, you can see the up/down vote spread of any question/answer. Now suppose there's some user, X, you're interested in. On their page you can sort ...
David White - gone from MO's user avatar
4 votes
0 answers
81 views

Blocking things from feed

Is it possible to block certain users or tags from appearing on one’s personal feed?
Monroe Eskew's user avatar
  • 17.8k
9 votes
0 answers
209 views

2023: a year in moderation

It’s that time of the year again! As we wave goodbye to last year and welcome the new one, we have a tradition of sharing moderation stats for the preceding calendar year. As most of you here might be ...
JNat's user avatar
  • 101
8 votes
1 answer
297 views

Should there be a banner with some basic info about MO in the right sidebar?

A recent discussion about customizing the "Draft your question" panel reminded me of an older one here: Feature request: add short "about MathOverflow" section to the front page. ...
Martin Sleziak's user avatar
2 votes
1 answer
49 views

MathJax ignores a `\tag` in an `{equation}` containing a `{split}`

The following snippet, when compiled as part of a LaTeX document with appropriate packages loaded, would produce a numbered (well, \tagged) equation: ...
LSpice's user avatar
  • 11.6k
5 votes
2 answers
136 views

In the MathOverflow data, can you determine the number of hours you've spent on MathOverflow?

In your profile, you can find a list of all your questions, answers, and comments, and also how many total days you've been logged into MathOverflow. Is there also a way to determine the total number ...
David White - gone from MO's user avatar
2 votes
0 answers
70 views

Should community wiki answers be eligible for bounties?

I posted an answer to this question Kepler conjecture: Are there only two most efficient packings or could there be more than two? summarizing various points made in the comments into a coherent ...
Sam Hopkins's user avatar
15 votes
1 answer
752 views

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 ...
JP McCarthy's user avatar
7 votes
2 answers
531 views

Systematic downvoting

In the past 7 days, I have received 9 downvotes (on questions that have been otherwise positively received). I suspect someone is systematically downvoting, but doing so with a large enough interval ...
varkor's user avatar
  • 8,905
4 votes
2 answers
227 views

How often are questions "successfully" migrated to MSE?

I rarely use MSE and so I don't have a good feel for what it's like overall. I was slightly surprised by a recent comment by Christian Remling which characterizes MSE as a "homework factory with ...
Timothy Chow's user avatar
  • 79.3k
1 vote
1 answer
172 views

Why isn't "Nobody has answered" on the multiple-choice list of reasons for a bounty?

When one is asked "Why are you starting this bounty?" the multiple-choice list of answers does not include "Nobody has answered the question." Choosing the answer that says it has ...
Michael Hardy's user avatar
1 vote
1 answer
420 views

Procedure for requesting a complete removal from MathOverflow

With any online community, as the users and the company owning the domain change, it is inevitable that some users will want to exit the community. For example, many Facebook users deleted their ...
David White - gone from MO's user avatar
8 votes
0 answers
78 views

Dialog for closure misleading when question has been closed and re-opened

I noticed, when clicking "close" on this question: Breakthroughs in mathematics in 2023, that when a question has been closed and re-opened, and you voted to close it previously, the dialog ...
Sam Hopkins's user avatar
38 votes
4 answers
2k views

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 ...
Timothy Chow's user avatar
  • 79.3k
0 votes
0 answers
200 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 ...
Todd Leason 's user avatar
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 ...
sno's user avatar
  • 315
3 votes
0 answers
41 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 ...
LSpice's user avatar
  • 11.6k
2 votes
1 answer
211 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
131 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
  • 1,446
12 votes
3 answers
524 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

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