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29 votes
3 answers
3k views

Celebrity usernames

The question "naive de Rham cohomology fails for singular varieties" (naive de Rham cohomology fails for singular varieties) recently received an apparently useful answer from a user with the name "...
Sam Hopkins's user avatar
  • 23.1k
28 votes
1 answer
902 views

MO in the Notices of the AMS

On page 333 of the March 2010 issue, John Baez wrote that "MathOverflow has become a universal clearinghouse for math questions." The March 2017 issue features an interview with Prof. Ken Ribet--the ...
José Hdz. Stgo.'s user avatar
26 votes
7 answers
3k views

Should we have new moderator elections?

Mathoverflow has seven moderators, but many of them seem to be inactive (at least from the point of view of an unprivileged user): for instance, they are not active on meta, and they moderated few ...
Federico Poloni's user avatar
25 votes
5 answers
1k views

Community Peer-Review in Mathoverflow

I was recently surfing around the Physicsoverflow and I have to admit I was impressed by their Review section. I could not help myself from thinking how -and if- such a feature could also be ...
Konstantinos Kanakoglou's user avatar
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 ...
Peter LeFanu Lumsdaine's user avatar
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 ...
Joonas Ilmavirta's user avatar
24 votes
1 answer
5k views

Why was my dissenting viewpoint in a post about diversity censored?

In a question about special lectures for the ICM, the following answer proposed that a lecture on how to make the mathematical field more diverse be given. The answer contains some rather bold ...
Patriot's user avatar
  • 1,048
24 votes
4 answers
818 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, ...
Tim Campion's user avatar
  • 62.7k
24 votes
1 answer
1k views

"A year in moderation" post on MathOverflow?

You might have noticed than many Stack Exchange sites have some statistics about both community moderation and moderators' activity posted on meta under the title "2018: a year in moderation". Here is ...
Martin Sleziak's user avatar
23 votes
2 answers
850 views

Crazy idea about soft questions

I was thinking the other day about big list and other soft questions and had the following crazy idea. It seems to me that what we want is to occasionally have good soft questions. The main thing ...
Noah Snyder's user avatar
  • 27.9k
22 votes
3 answers
1k views

Answering not research level questions

I just commented the solution to a question that was obviously not research level. Then I deleted the solution again since providing it might encourage people to again asking such questions. ...
Christian Stump's user avatar
22 votes
2 answers
826 views

Can the clutter of obviously off-topic questions be removed faster?

I have noticed a number of blatantly off-topic questions that hang around for a long time despite heavy down-voting and calls for removal by senior users. I found somewhere on the site (although I can'...
John Bentin's user avatar
  • 2,437
21 votes
2 answers
629 views

Data on voting by 'association bonus only' users

There's recently been some discussion of the potential impact on voting of users whose only MathOverflow reputation comes from the network association bonus. I asked the SE team about this, and ...
Kim Morrison's user avatar
  • 7,630
20 votes
7 answers
2k views

What is needed to succeed in keeping up the level of the site and retaining the good contributors?

MathOverflow is a nice high-level communitiy with a good collegial academic atmosphere. I'd like to know about how this can be achieved; for example how does MathOverflow keep up the good qualitiy of ...
Dilaton's user avatar
  • 418
20 votes
1 answer
1k views

What to do with links to arXiv front end?

There are quite a few posts which link to some paper at http://front.math.ucdavis.edu/ rather than directly at https://arxiv.org/ The front for arXiv at UC Davis seems to be down for some time. (I ...
Martin Sleziak's user avatar
20 votes
0 answers
760 views

Which "non-arxiv" tags are de facto top-level tags?

The tag system on MathOverflow is designed in such way that each question should contain top-level tag; these are the tags which correspond to subject areas on arXiv and generally have format such as ...
Martin Sleziak's user avatar
20 votes
7 answers
2k views

Can MO go back to +5 rep for questions? Should it?

In case you missed the news, upvotes on questions now grant +10 reputation instead of +5, and the change has been implemented retroactively (most if not all users have already had their reputation ...
Wojowu's user avatar
  • 27.7k
19 votes
0 answers
886 views

Are we making it too tempting/easy to send inappropriate posts to MSE?

This "question" (asking for generalized help with a long list of elementary topics) is clearly going to be unwelcome almost anywhere, yet two users voted to close with a suggestion to "see math....
Steven Landsburg's user avatar
19 votes
3 answers
1k views

Are Links to Articles Behind a Paywall Acceptable Answers?

This question boils down to whether an answer to a question should contain sufficiently free and easily accessible detail about the solution to a question. So IMHO it would be perfectly acceptable, ...
Manfred Weis's user avatar
  • 12.8k
18 votes
3 answers
413 views

Community Wiki in the hands of moderators

I don't understand the wisdom of removing the CW button from the control of an author of a question, and having always to pester the moderators to turn it on. Might it be possible to return this ...
Todd Trimble's user avatar
  • 52.6k
18 votes
4 answers
1k views

What areas/aspects of mathematics are underrepresented on MO?

The question: What areas/aspects of mathematics are underrepresented on MO?
Gil Kalai's user avatar
  • 24.4k
18 votes
2 answers
685 views

Proposal to more aggressively delete off-topic questions

We are going to get many more off-topic questions now. Can we agree to vote to delete on them so as not to pollute the site? It takes a few votes from users who can vote on such things and/or one ...
Mariano Suárez-Álvarez's user avatar
17 votes
0 answers
248 views

Change reputation required to post on meta back to 5 reputation points

Typically, Stack Exchange sites have the restriction that only users with at least 5 reputation points on the main site can post on meta. In this regard, MathOverflow is different. (It is listed also ...
Martin Sleziak's user avatar
17 votes
2 answers
1k views

Decluttering MathOverflow

There are quite a few very poor questions (all being put on hold quite soon after they've been asked), such as this. These questions stick around unless they get deleted by the OP (which they almost ...
Dominic van der Zypen's user avatar
17 votes
2 answers
560 views

How to get to meta?

There's a new toolbar for all the SE sites. (That big black thing up there!) Mostly I think it's pretty awesome. But how do I get to meta now?
Kim Morrison's user avatar
  • 7,630
17 votes
8 answers
3k views

2021 Moderator Election Q&A - Questionnaire

In connection with the moderator elections, we are holding a Q&A thread for the candidates. Questions collected from an earlier thread have been compiled into this one, which shall now serve as ...
Catija's user avatar
  • 101
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 ...
François G. Dorais's user avatar
16 votes
0 answers
592 views

area 51 proposal - Math review

Recently I created a new proposal at area 51; it's called Math Review (http://area51.stackexchange.com/proposals/90443/math-review), and it is intended to be a Q&A site concerning troubles one ...
Conrado Costa's user avatar
16 votes
1 answer
845 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 ...
Martin Sleziak's user avatar
16 votes
5 answers
3k views

Why was there pushback on a user's profile image?

The comments on the OP for the following question are disconcerting: Why is Voevodsky's motivic homotopy theory 'the right' approach? From what I can gather, the OP must have had ...
Samantha Y's user avatar
16 votes
1 answer
622 views

Correcting links with university proxy (especially MathSciNet links)

Let me first say, that I consider links to papers referenced in MO posts a useful things. And so do other users, judging by an older discussion on this topic: Is it worth editing old posts to add ...
Martin Sleziak's user avatar
16 votes
0 answers
481 views

Studying the MathOverflow data dump with Mathematica

This is just a mention of some work Wolfram has done recently, allowing you to import a database dump of MathOverflow and analyse it within Mathematica. The Data Science of MathOverflow Their ...
Kim Morrison's user avatar
  • 7,630
16 votes
2 answers
452 views

Feature request: add short "about MathOverflow" section to the front page

Until a few years ago MathOverflow front page had a short section at the top describing what the site is for. I am not sure when it disappeared or why but I would like to see it restored. Currently ...
Vitali Kapovitch's user avatar
16 votes
0 answers
255 views

Change of colors

I decided to follow up on my own thread regarding the color scheme, and test something up. Using archive.org, I loaded a copy of MathOverflow from 2011, and it turns out that the questions in one's ...
Asaf Karagila's user avatar
  • 38.5k
15 votes
2 answers
681 views

How to wake up an old question?

Suppose there is an old question on mathOverflow, asked by someone else, which has been voted up a quite decent number of times, and received several answers which have also been voted up, but no ...
Joël's user avatar
  • 25.9k
15 votes
5 answers
4k views

Should these sexually suggestive jokes be kept or deleted?

There are a few jokes in "Do good math jokes exist?" that I think are inappropriate. Specifically: Nov 21 '09 at 9:01 item (1) Oct 19 '09 at 16:03 Dec 10 '09 at 23:14 Dec 15 '09 at 1:31 All of ...
Tanner Swett's user avatar
  • 1,153
14 votes
1 answer
407 views

Copyright of MathOverflow logo?

What is the copyright of the MathOverflow logo? Is it in the public domain? In this site they say that "most simple logos simply do not have the required level of creativity to be considered ...
unity's user avatar
  • 1
14 votes
0 answers
301 views

Please enable the AMScd package by default

We can draw diagrams using the AMScd package, and works quite nicely (see Math.SE for a working proof). However, on MathOverflow the package seems to be disabled by default, so if a user wants to use ...
Asaf Karagila's user avatar
  • 38.5k
13 votes
0 answers
1k views

Did mathcal stop working properly?

Does this question Basic algebra of $\mathcal{O}_0(\mathfrak{sl}_n(\mathbb{C}))$ — Reference request look like this for anyone else?: Those squares are supposed to be \mathcal{O}'s. As far as I can ...
Sam Hopkins's user avatar
  • 23.1k
13 votes
0 answers
352 views

What should the tag (open-problems) be used for?

Since this issue came up in comments to another questions on meta, I'll ask about the intended issue of the open-problems tag. Question. What is the intended usage of the open-problems tag? Should it ...
Martin Sleziak's user avatar
12 votes
0 answers
1k views

Why is my question apparently not research-level?

I just posted this question a few hours ago, and it's already had two votes to close for being off-topic (i.e., not of "research-level mathematics"). Considering it's ultimately a question about ...
Kieren MacMillan's user avatar
12 votes
3 answers
277 views

Broken math on some answers [duplicate]

Here is an example. Is there an automatic way for moderators to fix what I imagine are many answers that somehow now display funny, or should we do it manually, one by one? If the latter, people ...
Andrés E. Caicedo's user avatar
12 votes
1 answer
659 views

Problem with posts and comments relying on macros defined elsewhere

MathJax supports possibility do define macros. (Using \newcommand, \DeclareMathOperator, \def...
Martin Sleziak's user avatar
12 votes
2 answers
339 views

Filtering out the Autobiographer badge from "Recent Badges"

As discussed in this recent post, there is currently an influx of a ridiculous number of profile spammers showing up with the Autobiographer badge in the "recent badges" box on the MO ...
gmvh's user avatar
  • 2,758
12 votes
1 answer
327 views

Being notified of the comments under the answer of someone else to your post

Sometimes a lot of good things happen as the comments under an answer to your post. Though we are notified of the answers given or the comments under the body of the post, it seems that we are not ...
Amir Asghari's user avatar
  • 2,267
12 votes
1 answer
14k views

Using MathJax for formating (**bold**, *italics*)?

Some users use MathJax to get italicized or bold text. This is sometimes done in titles (where MarkDown is not available), but some users do this also in body of a question, where MarkDown is used. ...
Martin Sleziak's user avatar
12 votes
0 answers
400 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 ...
Martin Sleziak's user avatar
12 votes
2 answers
737 views

Should questions to which I already know the answer in advance be appropriate for MO?

I was just asking Is it appropriate to ask for references and point to a blog with the same question and started to read http://blog.stackoverflow.com/2011/07/its-ok-to-ask-and-answer-your-own-...
Christian Stump's user avatar
12 votes
3 answers
489 views

In the new site design, what should the background look like on MO?

SE is giving us pretty limited options for how the site is going to look going forward. Our most popular customization request, judging either from Carlo Beenakker's original suggestion or the ...
Tim Campion's user avatar
  • 62.7k
11 votes
3 answers
690 views

"This question has been answered in the comments."

Athanagor Wurlitzer has recently been adding answers saying "This question has been answered in the comments" (see, e.g. https://mathoverflow.net/a/156051/3). I'm inclined to delete these answers (...
Kim Morrison's user avatar
  • 7,630

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