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7 votes
1 answer
541 views

2022 Community Moderator Election

The 2022 Community Moderator Election is now underway! Community moderator elections have three phases: Nomination phase Primary phase Election phase Most elections take between two and three weeks, ...
19 votes
2 answers
972 views

Nominating other community members

Is there no mechanism to suggest other community members for nomination? If I remember correctly, last election there was some mechanism in place to suggest community members other than ourselves who ...
14 votes
0 answers
215 views

Which questions should be tagged “reference-request”?

The reference-request tag is currently described as: “this tag is used if a reference is needed in a paper or textbook on a specific result.” I have found current usage of this tag too broad to be ...
3 votes
1 answer
99 views

Edit history lost on migration

According to a comment, @Marco's answer to Notation about n choose k permutations was edited before migration. However, nothing displays in the edit history. (This seems appropriate to ask here since ...
3 votes
0 answers
150 views

Weird site URLs

If I go to MathOverflow from another SE site by clicking on the link in “Your Communities” under the right-most menu on the top-bar, I do not end up with the usual ...
-14 votes
2 answers
615 views

Why my nomination for 2022 Community Moderator Election withdrawn without convincing reason?

I was honored to participate in the elections for moderation in MO 2022 , but I am sorry to say that my candidacy was withdrawn today without any convincing reason, frankly, I did not find it ...
4 votes
0 answers
283 views

Can I ask this question on Math Overflow? (Advice on how to get started)

I am thinking of applying for a maths PhD programme. I have more or less an idea of the subfield I'd like to research, but not much more than that. I'm looking for suggestions on how to properly ...
18 votes
11 answers
900 views

2022 Moderator Election Q&A – Question Collection

The purpose of this thread was to collect questions for the questionnaire. The questionnaire is now live, and you may find it here. MathOverflow is scheduled for an election next week, 2022-09-19. In ...
25 votes
4 answers
1k views

Examples of mathematical exposition arising from MO answers

I could imagine that several very long Mathoverflow answers have eventually turned into expository papers. For example, I have posted this (unpublished) expository paper on the arxiv about various ...
3 votes
2 answers
198 views

Should we allow link-only answers that point to stable, well known and respectable sites?

I have just been presented with an answer in the VLQ queue that consisted essentially in a link to a preprint on arXiv. The user having posted it is a high reputation user, so he definitely knows the ...
5 votes
0 answers
216 views

Partial answer accepted, thinking it could have been easily extended and provided enough insights

Some days ago I posted a question and I accepted an answer, "although it’s only a very partial answer," as the answer author wrote in a comment. I accepted it because I thought that it ...
1 vote
2 answers
823 views

Triangle commutative diagram does not work here at MO

I frequently tried to draw a triangle commutative diagram similar to the definition of projective modules for this question. A module associated to an endomorphism of a vector bundle so I ...
0 votes
0 answers
163 views

Asking if a post about a mathematical characterization of gravitational geons can be potentially interesting for the main site MathOverflow

I would like to ask about if a question about the following subject can be potentially interesting and on topic on MathOverflow. I would like to ask on the main site of MathOverflow about the ...
24 votes
4 answers
816 views

What is the deal with changes to the front page?

It appears that today Stack Exchange has changed the appearance of the MathOverflow front page. It now looks more similar to Stack Overflow. The most noticeable change is that the counts of answers, ...
1 vote
1 answer
81 views

Long post fails to render

In one MathOverflow answer by me, the MathJax code added latest fails to render correctly. Instead, one $ tag is ignored and for the rest on the line, code inside <...
3 votes
1 answer
396 views

I lost my three questions

About 3_4 days ago 3 questions of mine got down vote but they were not "closed" or "onhold". After these downvotes, each of them became -1 vote, totally. Now I can not find these question. Where are ...
7 votes
1 answer
169 views

How to find highly upvoted comments?

My question is simple: is there a way to find the most highly upvoted comments on mathoverflow?
23 votes
0 answers
917 views

Upcoming election announcement (2022)

It has been quite some time since the last moderator election, and we decided that it would be a good idea to hold one soon. This is just a preliminary announcement to let you know that this is going ...
5 votes
0 answers
239 views

Would such a "big list" on known bounds for distances between $2^S-3^N$ be appropriate for MO?

After new questions and/or activities on older questions on "bounds for distances $2^S-3^N$" appeared in MO I thought whether a [BigList] or [CommunityWiki] on known such bounds (their ...
16 votes
1 answer
840 views

Should moderators in some cases remove a question from the network-wide hot questions list?

Not too long ago - in March 2019 - some changes have been made to the Hot Network Questions (HNQ). Some of the new features are the limit on the number of hot questions from a single site, or limit on ...
4 votes
1 answer
228 views

Is there a way to `@` exactly one of two users whose names differ, if at all, only by whitespace?

I recently approved an edit to Zeroes of characters of general linear group induced from certain characters of parabolic subgroups by user @math seeker. I approved the edit, which was otherwise ...
2 votes
2 answers
169 views

When, precisely, should history of math questions be CW?

I don't have much experience with "history of math" questions or the ho.history-overview tag. I tried to distill an answer to my question from looking at existing questions, but failed to ...
7 votes
1 answer
210 views

Reputation number not visible on main page

This is a very minor bug, but the reputation number seems not to be visible on the main site: Interestingly, it is visible in meta:
4 votes
0 answers
69 views

Occasionally reproducible bug with macro definitions in a draft post affecting macro use in comments

In the course of a discussion involving using MathJax to re-define macros, I couldn't recall if MathJax obeys a \newcommand for an already-defined macro, and so ...
15 votes
4 answers
886 views

Hiding reputation

In MathOverflow 1.0 we had the ability to hide other users' reputations. Can we get that again? (Also, I had to rewrite this question several times to get past an annoying box that said my question ...
3 votes
0 answers
155 views

Planar geometry on MO

"Planar geometry" here is 2-dimensional Euclidean geometry, usually used as Olympiad geometry problem, its objects just be a bunch of lines and circles, it has no Combinatoric aspect and not ...
11 votes
0 answers
375 views

To which extent should spam posts on meta be considered a problem?

MathOverflow is one of the few sites in the Stack Exchange network where users with reputation 1 can post on meta.1 Clearly, this has some advantages2 and some disadvantages. Probably one of the ...
8 votes
1 answer
321 views

Comment / Down-vote / Vote to close -- in what order, with what delay?

If I see a post that I think belongs on MathStackExchange, what should be my first response? a) Comment to the user b) Down-vote c) Vote to close with suggestion of migration And how long should I ...
4 votes
3 answers
359 views

Is asking for good review papers a good question?

I think that generally speaking asking for papers might be a non-research issue. If it's merely a google issue, then it shouldn't be in MO. What about Survey/Review papers? Obviously those are hard ...
3 votes
1 answer
120 views

Why is there unexpected space at the beginning of a paragraph in an answer?

In @GabeK's nice answer to @JonBannon's question Each mathematician has only a few tricks, there is unexpected space at the beginning of the third paragraph: My first thought was that there might be ...
10 votes
4 answers
305 views

Is it possible to see the source for a comment?

Although this question seems to be new to M.MO, @MartinSleziak points out several related posts on Meta.MSE. I was curious about the diagrammatic magic of @YaakovBaruch's recent comment, and so ...
14 votes
2 answers
916 views

Revamping the closure reasons in 2022

Prompted by Gro-Tsen's recent meta question, it appears that now may be a good time to rethink our site-specific close reasons here on MathOverflow. Background: If you have sufficient rep, you can ...
7 votes
2 answers
566 views

Are there policies to respect in order for MathOverflow Q&As to be tracked back in relevant zbMATH Open reviews?

Are there policies to respect in order for MathOverflow Q&As to be tracked back in relevant zbMATH Open reviews? I am asking this since I noticed that all questions and answers to which I ...
13 votes
2 answers
648 views

Questions about correctness of published papers

A recent thread brought up the issue of the appropriateness of discussing correctness of a published paper on MO. Correctness of Thierry Aubin's argument about positive Ricci curvature I did a ...
3 votes
3 answers
647 views

Local vs. Global MO in relation to "Polymath" efforts

Certain polymath-flavor questions appear on MO, and are not really appropriate for the forum. Such questions are probably posted (I can only be sure for my own such posts) because MO captures a huge "...
1 vote
1 answer
94 views

Icons for MO/metaMO in community list changed?

I notice that in the community list under the SE hamburger in the top right, the icons for MO and for meta have changed: clearly having the MO logo attached to meta.math.SE is an issue, but we are ...
6 votes
1 answer
166 views

Serial voting was reversed

I was recently noticed "serial voting was reversed" on MO. I am curious about how this works, and what this exactly means (I don't have the feeling that I did something wrong). Note that I ...
12 votes
1 answer
569 views

Was the custom close reason mentioning Math.SE removed?

For a long time, these two custom close reasons used to be available: This question does not appear to be about research level mathematics within the scope defined in the help center. MathOverflow ...
25 votes
5 answers
2k views

Updated: Is it time to replace links to the UCDavis arXiv frontend?

This question from March 2020 points out that many questions/answers link to papers at the http://front.math.ucdavis.edu/ frontend instead of at the arXiv itself, but that the frontend had been down a ...
20 votes
2 answers
974 views

Can (and should) Project Euclid links be replaced in bulk?

In February 2021, Project Euclid made some changes on their website: Project Euclid Platform Migration FAQs. It is probably a consequence of this that the links starting with ...
5 votes
0 answers
153 views

Can we recover old MathOverflow Meta "Tea" discussions?

Today I flagged a question as needing to be made community wiki. I thought about why, and found this old question of mine here. Carlo Beenakker helpfully linked to a thread on the old tea. Link ...
9 votes
1 answer
557 views

When answers are primarily opinion based, should the question be CW?

A question was just asked about whether or not we still need model categories of spectra (vs working with the $\infty$-category). To me (and Fernando Muro at least), it is reminiscent of a previous ...
11 votes
0 answers
360 views

Keeping a question on track or allowing people to chime in with stuff they'd like to mention?

I am slightly unhappy with the direction of drift to answers to this question. On my reading, the OP mentioned a phenomenon and asked how editors should react to it. This seems to have been taken by ...
1 vote
1 answer
252 views

Why are some non-research questions so highly upvoted?

It is not difficult to find soft questions on the website which do not clearly strike as research level. To give examples of some: 1, 2, 3, 4, 5. Yet some of them are upvoted so highly that even many ...
11 votes
0 answers
268 views

New community close vote reason

While doing some cleanup on the home page just now, I noticed that we have a new community specific reason to close. The second option in the list is new, and leaves me slightly confused. While I ...
8 votes
2 answers
469 views

Flagging Low Quality Questions

For questions of extremely low quality that are sure to get closed anyway, do the moderators still want flags? Or is that just cluttering up their mailboxes to no purpose?
6 votes
2 answers
368 views

Citing papers in questions/answers

Is there an established policy for how to cite a paper you link to in a question/answer? If not, what does etiquette dictate appropriate for citations? I used to be careful to include full citations ...
24 votes
5 answers
2k views

How should we react to the existence of Math Educators SE?

As was previously announced at meta, there is now an SE site for mathematics education (MESE). My broad questions is this: Should we react to this somehow? (More specific questions are below.) Does ...
31 votes
10 answers
3k views

What MO is for and what is *your* aim in participation?

Q1: What is your view on the purpose, aims and benefits of MO? Q2: What are your specific aim, targets and benefits in participation at MO?
16 votes
0 answers
610 views

Recurrent posting about «Matrix polynomials» and so on

MO is currently being the focus of what I guess to be a single particular individual R.T.Man sporting multiple unregistered users identity (like Eskand or H.night). S/he's asking multiple very similar ...

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