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25 votes
3 answers
1k views

Has the switch to SE 2.0 increased the rate of low-level / inappropriate questions?

I would be curious to know whether, now that links to MO appear in the footer of every SE 2.0 site, and in the "hot questions" list of the Stack Exchange button, the rate of inappropriate questions ...
Zev Chonoles's user avatar
  • 6,712
17 votes
4 answers
404 views

What do moderators do?

What do moderators do? Is it just a matter of dealing with posts flagged for moderator attention, or are there other things too?
Kim Morrison's user avatar
  • 7,600
16 votes
4 answers
2k views

Tags that encourage off-topic questions

MathOverflow has a few problematic tags which are not inappropriate by themselves but suggest off-topic ideas. A prime example of this is the calculus tag. Sometimes a research-level mathematics ...
11 votes
2 answers
6k views

How does one type mathematical formulas on this site?

I can see that the posts on this site contain nicely displayed mathematical formulas. How can I get such formulas in my posts? What syntax is used to typeset them? Note: This is an attempt to make at ...
10 votes
6 answers
451 views

Revising the help page on "What topics can I ask around here?"

This is a freestanding post taking its content from a previous discussion on the modal window for first-time askers. Thanks to Martin Sleziak and Tim Campion for the encouragement to post it ...
user avatar
6 votes
5 answers
1k views

Formatting Sandbox

The purpose of this thread is to enable people to check if their formatting works and to play around with their MathJax code. Quoting from Bill Dubuque's Formatting Sandbox on meta.math.SE: To use ...
4 votes
1 answer
2k views

What are reasons for allowing anonymous voting?

What reasons for anonymity of voting overcome the following objection? A down-vote fails to communicate what is thought to be wrong. Suppose I post a question that says "Doesn't the fact that $2+3=5$...
Michael Hardy's user avatar
3 votes
1 answer
279 views

Searching for comments

Is there a method to search past comments only. I'm interested in a comment I read years ago that was not specific to the question or answers, so it wouldn't be in the normal search. Keywords: ...
Fred Daniel Kline's user avatar
2 votes
2 answers
576 views

Completely Unexplained Downvotes

I came across this question recently and asked the OP to explain some notation (see my comment below the question). As the OP was addressing my concerns, there was suddenly a down-vote (along with the ...
Vidit Nanda's user avatar
  • 15.5k
56 votes
4 answers
4k views

How much is MathOverflow exposed to recent events on StackExchange?

[Long-time 10k+ MO user here, asking this question anonymously for reasons that should be obvious. Added Oct 16: My access to this account will self-destruct in 3, 2, 1 .... (sorry, won't be able to ...
Burn this account's user avatar
37 votes
2 answers
566 views

Is it worth editing old posts to add links for references?

I always appreciate when citations to papers in MO answers/questions have a hyperlink — it’s very convenient for the reader, especially in cases where the referenced paper is non-trivial to find. ...
Peter LeFanu Lumsdaine's user avatar
23 votes
1 answer
659 views

Why are MO accounts not listed among other SE accounts?

When I go look at my accounts in SE network, mathoverflow is not listed there. (You can get to the list of accounts, for example, from your profile page. Other SE accounts are listed on profile page.) ...
Martin Sleziak's user avatar
23 votes
4 answers
2k views

Editing titles to include $\mathfrak{LaTeX \; Math}$

Should question titles, which sometimes intentionally avoid LaTeX math for those who choose faster rendering, be edited to insist upon LaTeX math? A recent instance that prompted my question is "two ...
Joseph O'Rourke's user avatar
22 votes
13 answers
2k views

2021 Moderator election: suggestions for nominees?

As you may have seen, the nominations for the 2021 moderator election will be open on March 29. Per StackExchange rules, MO users are expected to nominate themselves for the election. For some ...
Lucia's user avatar
  • 43.5k
21 votes
3 answers
939 views

Is there a consensus on whether history of mathematics questions are acceptable on MO?

I recently stumbled across an old meta discussion in which some people suggested that history of mathematics questions were off-topic for MO. This took me by surprise and I would like to ask for ...
Timothy Chow's user avatar
  • 79.3k
16 votes
3 answers
4k views

What is our policy on asking about correctness of preprints?

We talked about this a lot on the old meta 1, 2 but I don't see a concise statement of policy that I can link to, so I'm asking a meta question in hope of generating consensus on such a statement.
David E Speyer's user avatar
15 votes
4 answers
612 views

How to emphasize MathOverflow's best content?

There have been a few efforts to do this, such as the Best of MathOverflow thread. We could do more in this direction and this could have interesting repercussions. Vidit Nanda recently suggested that ...
François G. Dorais's user avatar
14 votes
2 answers
618 views

Recent suggested tag wiki edits

Today [Apr 21 '16] and yesterday there were a considerable number of suggested edits to previously empty tag wikis and tag wiki excerpts (browse here; viewing the full list requires >=10K points, I ...
Stefan Kohl's user avatar
  • 19.5k
11 votes
0 answers
143 views

MathJax in suggested edits

Pages like https://mathoverflow.net/review/suggested-edits/1435 display suggested edits for review. The original and edited versions are displayed in parallel columns with the differences highlighted....
Neil Strickland's user avatar
11 votes
2 answers
389 views

Double backslashes

The “backslash-bug” from the old version is no longer there. You can simply write { and } to get $\{\}$. However, all the old questions and answers using \{ are now broken and look terrible: $\prod\\{...
The User's user avatar
  • 2,422
10 votes
1 answer
385 views

Questions answered in a comment

It may happen that a question has zero answers, but is actually already answered satisfactorily in a comment. An example is this question. I think this is somewhat misleading, as the "0 answers" ...
Stefan Kohl's user avatar
  • 19.5k
7 votes
2 answers
525 views

What would be good place to list unresolved bounties?

Probably at least some MathOverflow users have been in a situation like this. I have placed a bounty on some question in hope to get an answer (or a better answer or a specific type of answer, for ...
Martin Sleziak's user avatar
6 votes
1 answer
667 views

How to contact a MathOverflow user?

Occasionally it might happen that I want to contact some user, although the thing I want to say is not directly relevant to one of their posts - which makes me think that this would be not really ...
Martin Sleziak's user avatar
6 votes
0 answers
450 views

What is the correct way to handle questions with deprecated tags?

Occasionally some tags on MathOverflow are deprecated - it is decided that they should no longer be used. If a deprecated tag is only used in a few questions, then it can be removed manually - the ...
Martin Sleziak's user avatar
82 votes
4 answers
26k views

Is there a way to discuss the correctness of the proof of the RH by Atiyah in MO?

I just made a question in MO to discuss the correctness of the proof provided by Prof. Atiyah for the Riemann hypothesis (link here: Is there an error in the pre print published by Atiyah with his ...
Héctor's user avatar
  • 515
66 votes
1 answer
11k views

Why is "what is the difference between mathoverflow and math.stackexchange?" not prominently displayed?

It is a truth not-quite-universally acknowledged that a newish Stack Exchange user in possession of the knowledge that there are two sites named "Math Overflow" and "Math.StackExchange" will be in ...
Foo Bar's user avatar
  • 101
36 votes
10 answers
5k views

On the role of anonymity in a site dedicated to research-level mathematics

My questions is whether there is a good reason to allow anonymous users in a site dedicated to research-level mathematics. In theory, most users of this site are professional mathematicians and ...
alvarezpaiva's user avatar
  • 13.2k
31 votes
9 answers
1k views

Privacy of software-generated links to questions and answers

Recently I noticed that the software inserts the id of the currently logged in user in the “share” link of any MathOverflow question or answer. When one is logged out, the “share” link comes out ...
Dmitri Pavlov's user avatar
31 votes
2 answers
1k views

Has there been a recalculation of reputation?

At the risk of being too venal: yesterday I had over 8500 and now I am under 7900. Anyone else experienced changes with similar orders of magnitude?
Yemon Choi's user avatar
  • 25.5k
26 votes
2 answers
2k views

Explicitly pointing out math.stackexchange when (new?) users ask a question

I have recently flagged several questions for migration to math.stackexchange which were fairly clearly not about mathematics research and related topics. It was clear that in some cases these new ...
Ricardo Andrade's user avatar
24 votes
2 answers
713 views

How can I customize site in my browser to get "old feel" look of MathOverflow?

It seems that some of the users are not too happy with the new design and prefer the old look. I will admit that I have not much experience with this stuff, but from I've read on various meta sites ...
Martin Sleziak's user avatar
23 votes
2 answers
1k views

Should MathOverflow require registration to ask a question?

Probably anybody visiting this site regularly noticed that quite often there are posts which are not at MO-level and quite frequently also of very low quality. (Many of them are simply copy-paste of ...
Martin Sleziak's user avatar
23 votes
3 answers
1k views

Does Mathoverflow really want the 'Publicist' badge?

I enjoy the rewards system on the Stack exchange network. I learned some time ago that you can easily earn gold badges on all sites by picking the most interesting questions and using the "Share" ...
Brian Rushton's user avatar
22 votes
4 answers
2k views

Are professional Physicists, Computer Scientists, Engineers, Economists... not allowed to ask questions at MO?

"MathOverflow is a question and answer site for professional mathematicians." May other professional researchers ask questions at MO? Should they check their credentials at the door? If not, and ...
André Levy's user avatar
22 votes
6 answers
2k views

Homework and migrating to math.se

As many people have noticed, one of the main functions of math.se is to be a place for students to get other people to do their homework for them. Obviously we do not want to facilitate such cheating....
Andy Putman's user avatar
  • 43.9k
21 votes
1 answer
1k views

Why do we link to Twitter, Facebook or Google+ below every question?

I edit this old feature request of mine, in the hope that mentality have evolved and some consensus can be reached and some action be taken: After each question on MO (with no answers yet), we can ...
Joël's user avatar
  • 25.8k
21 votes
2 answers
1k views

Ignoring certain users' postings

This old post on meta stackexchange contains a script that hides posts from users of your choice. There were some negative comments there and the script doesn't seem to be working anymore (maybe ...
Felipe Voloch's user avatar
20 votes
1 answer
730 views

Traffic from the list of hot network questions

To better understand the advantages and disadvantages of having MO questions featured in the list of hot network questions, as discussed here and here, it would be useful if Stack Exchange could ...
François G. Dorais's user avatar
20 votes
1 answer
807 views

The math! It's overflowing!

See what happens if you expand the comments on this question, we get this prime example of a math overflow: Of course, this is due to a \$ problem, but still, it seems to be a flaw in the CSS that ...
Manishearth's user avatar
20 votes
3 answers
3k views

Formatting a citation to a MathOverflow answer

What's a good way to format a citation to a MathOverflow post in a paper? Here is a first draft (with hyperlink, and assuming it's reference number 16, say), but maybe people can think of ...
Bjørn Kjos-Hanssen's user avatar
17 votes
0 answers
583 views

The existing deprecated tags should be blacklisted

TL;DR: I suggest to blacklist the deprecated tags that still exist on some questions, in order to prevent them from being added to new questions. There are a few tags which are deprecated and should ...
Martin Sleziak's user avatar
14 votes
5 answers
1k views

Public dumps for mathoverflow?

As far as I remember, there was supposed to be a public dump of the MO database just before the migration: http://dumps.mathoverflow.net/ . Not an urgency by any measure, but something that would be ...
darij grinberg's user avatar
13 votes
3 answers
764 views

Flagging spam user

I just noticed an "Autobiographer" badge awarded to this unusually named user: https://mathoverflow.net/users/117744 . I immediately moved to flag this obviously spam account, only to realise that ...
LSpice's user avatar
  • 11.6k
12 votes
3 answers
1k views

How to turn off the MathJax preview?

The constant compiling of MathJax while composing a post is undesirable for me. How can I stop the MathJax preview? Is there a way to turn off the MathJax preview? Where is the button to switch off ...
user avatar
11 votes
6 answers
1k views

2013 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. In connection with the moderator elections, we will be holding a Q&...
Grace Note's user avatar
  • 101
11 votes
2 answers
562 views

the number of on line users at a given moment

Is there a way to realize that, at a given moment, how many users are (MO) on line? Thank you
Ali Taghavi's user avatar
11 votes
1 answer
2k views

Diagrams in MathJax via xypic.js

Apparently, the Stacks project can load a MathJax extension called xypic.js (check the source code) and then has access to ...
Jesko Hüttenhain's user avatar
10 votes
1 answer
776 views

Is there any way to invite more experts (active researchers) from various subject areas?

Regarding the number of people who participate in Q&A's, I have a feeling that some subject areas are underrepresented in MO, while there are many knowledgeable experts in these areas which ...
user avatar
10 votes
1 answer
318 views

Update outdated links in the list of suggested alternative sites

The part of help center What kind of questions should I not ask here? (Wayback Machine) contains at the moment the following formulation: "But there are lots of other math Q&A sites where your ...
Martin Sleziak's user avatar
10 votes
0 answers
996 views

Extending questions and answers gradually

If someone answers my question and I want to generalize it, how should I do it? Is it ok to gradually extend my question as answers improve? An answer to a question I wanted to ask may show me that I ...
Joonas Ilmavirta's user avatar

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