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23 votes
2 answers
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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 ...
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23 votes
2 answers
1k views

Editing etiquette

What are some general guidelines for editing a MathOverflow post? Are there some "do"s and "don't"s I should know about? (The material that was previously in this question box has been moved to an ...
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  • 50.7k
23 votes
1 answer
650 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.) ...
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23 votes
2 answers
2k views

MathOverflow @ ICM2014 : We Want You!

This post will raise several questions/issues on which I want community feedback. Background: Inspired by Tim Post's offer Mugs, Stickers And Shirts - Now With 100% More MathOverflow! , I++ decided ...
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23 votes
1 answer
969 views

I can't understand the answers

I found myself in a slightly awkward situation. "Working" (hobby) on group conjugation I learnt about quandles and I finally managed to formulate some questions of some of the issues that interest me ...
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  • 233
23 votes
2 answers
839 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 ...
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  • 26.6k
23 votes
2 answers
857 views

Featured MO questions on the hot list: what benefits, if any, do these bring?

“Measures to separate MO from the rest of the stackexchange network”, and various other recent meta questions, have discussed (among other things) opting out of the stackexchange-wide hot list. I’ve ...
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23 votes
0 answers
878 views

Request to keep an eye out for PROMYS admissions problems

Many of you may be familiar with PROMYS, a camp based out of Boston University which teaches number theory to high school students each summer. Students applying to the program are asked to submit ...
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23 votes
0 answers
714 views

Should "The probability for a streak when tossing a coin" be reopened?

The question "The probability for a streak when tossing a coin" is on hold. [Edit: It has been reopened.] I disagree with closing the question and voted to reopen. This problem may sound like it is ...
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  • 27.5k
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 ...
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  • 42.5k
22 votes
3 answers
1k views

Measures to separate math overflow from the rest of the stack exchange network

It seems that there is a widespread concern about the influence that in many ways the switch to the stack exchange network has on this site. I infer this from the many questions on meta on this ...
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  • 25k
22 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 ...
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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. ...
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22 votes
3 answers
889 views

Pronunciation questions

Every so often, I have a question about the correct pronunciation of a math term/name that I’ve only read, and the answer isn’t on Wikipedia. Some examples from my past: “Hartshorne” (I ended up ...
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  • 2,971
22 votes
4 answers
731 views

Customize the modal window for the first-time askers [duplicate]

When a user asks their very first question on a Stack Exchange site, they are shown a modal window with a short advice. The content can be either a generic message or it can be customized for a ...
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22 votes
1 answer
684 views

Why are we now getting 'hot network questions'?

I notice that we are now getting a bar listing hot questions from across the SE network. I thought we'd settled for no cross-site advertising in MO2.0.
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22 votes
1 answer
702 views

Should OEIS links be updated?

Historic links to the OEIS are of the form http://www.research.att.com/~njas/sequences/A097048. These links no longer work: Neil has retired from AT&T, and in the meantime has set up the OEIS ...
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22 votes
4 answers
1k views

Encouraging new users to provide a name or a nickname

After the transition to MO 2.0, I noticed an increased influx of anonymous users, with user names like user####. Of course, people can have all kinds of reasons to ...
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22 votes
1 answer
1k views

One person creating multiple Riemann Hypothesis-related accounts

I have been flagging these posts individually, but I thought maybe a meta question would be a good follow-up, in case the moderators are not aware of the behaviour. As @YemonChoi points out, the ...
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  • 8,059
22 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 ...
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  • 968
22 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 ...
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  • 25k
22 votes
0 answers
205 views

Questions containing my "favorite tags" are barely distinguishable

I liked the fact that in MO v1, any question which contained one of my list of favorite tags was noticably highlighted (a brown-orange color, if I remember correctly). In the new version, such ...
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  • 25.8k
21 votes
5 answers
2k views

What should be the policy on "open problems" on MO?

The subject of this discussion are questions on "open problems" on MO. There is an existing policy on "open problems" reproduced from the (old) FAQs, which involves an open-problem tag. The ...
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21 votes
3 answers
2k views

Question about $i$ versus $-i$

I vaguely recall that some years ago, there was an MO question about how to distinguish between the complex numbers $i$ and $-i$, and in what sense this might be meaningful. I also recall that I ...
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21 votes
1 answer
813 views

Will ads appear on MO?

It looks like the Stack Exchange network is trying to monetize the various stack sites as much as possible, to the dismay of users across the board. Will this affect MO? If I recall correctly we ...
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  • 6,709
21 votes
4 answers
2k views

Publicizing conjectures on MO

This question Positive integers written as $\binom{w}2+\binom{x}4+\binom{y}6+\binom{z}8$ with $w,x,y,z\in\{2,3,\ldots\}$ is basically just a statement of a few conjectures by the asker. The "...
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  • 4,745
21 votes
1 answer
2k views

My question was closed on MO because it is not research level. Where should I ask instead?

If a question is closed (put on hold) on MathOverflow as off-topic for not being research level-question, but it is still a question about mathematics. What might be a suitable place for such question?...
21 votes
2 answers
623 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 ...
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21 votes
2 answers
765 views

How do off-topic question askers find MO?

Apologies if this has been addressed on Meta before (it's a little hard to know the right keywords to search for Meta questions with). Question: Has there been any systematic attempt to try to figure ...
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  • 19.4k
21 votes
1 answer
795 views

Mathoverflow lecture series using chat

This was something that came up recently in the homotopy theory chat room. Even if it wasn't to homotopy theory, has MO ever considered asking active users with interesting research to host lectures ...
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21 votes
2 answers
729 views

Stack-exchange devoted to research problems, the suggested approaches and updates

The idea is to have a database of open research problems where the answers will be updates or suggested approaches. One research problem per post. This is in the spirit of Polymath. Reasons: ...
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  • 1,426
21 votes
1 answer
640 views

Tea archive (mathoverflow.tqft.net) seems to be down

It seems that the link http://mathoverflow.tqft.net/ (which, according to this announcement, serves as an archive of the old tea, i.e. the previous incarnation of MathOverflow Meta) no longer works. ...
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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 ...
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  • 24k
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 ...
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  • 408
20 votes
3 answers
874 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 ...
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  • 66.2k
20 votes
1 answer
921 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 ...
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20 votes
2 answers
1k views

Why do non-research and soft questions get closed if and only if the poster lacks high reputation?

The title says it all. Don't get me wrong. I have actually enjoyed my first few weeks on MO. I am not writing out of personal vendetta. That is, I have not had any of my own questions closed and I ...
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  • 1,071
20 votes
2 answers
837 views

Questions on Coq

Now I'm awake again, I can raise this here in meta, as per quid's request. I commented on the question How do I verify the Coq proof of Feit-Thompson? I like this question, and would defend it ...
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20 votes
2 answers
881 views

It's been another year...MO exists since six years!

As provable by Question Number 1 the site started to exist almost exactly six years ago. Everybody who feels like saying something on this occasion, feel free to post an answer.
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20 votes
3 answers
2k 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 ...
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20 votes
1 answer
760 views

What is MathOverflow's "agreement" with Stack Exchange?

On June 24, 2013, MathOverflow signed an agreement with Stack Exchange, Inc., to migrate the original site to the newer Stack Exchange 2.0 platform and join the Stack Exchange network. François G. ...
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20 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 ...
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20 votes
1 answer
669 views

How to respond to premature crossposts from Math.SE?

There seems to be a general feeling (if not policy) to the effect that questions should not be simultaneously posted to MathOverflow and Math StackExchange (Math.SE). (I think there may have been a ...
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20 votes
2 answers
2k views

Any other site besides mathoverflow and mathematics stackexchange?

I know the differences between mathoverflow and math-stack but I have been wondering: Are there legitimate mathematical questions that would not get answered at math-stack because there is no ...
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20 votes
1 answer
1k views

Someone is trying to delete the Memorable Titles thread

There is currently a vote to delete this very old thread. I am writing to register my strong protest against this and bring it to the attention of other users here on meta. Most memorable titles
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  • 18.9k
20 votes
1 answer
722 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 ...
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20 votes
2 answers
638 views

Building an MO app?

On stackapps, there is a broad spectrum of apps designed by users to improve their Stack Exchange experience. Most apps are oriented toward Stack Oveflow and do not necessarily address the needs and ...
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20 votes
1 answer
783 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 ...
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20 votes
0 answers
879 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....
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20 votes
0 answers
738 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 ...
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