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72 votes
1 answer
5k views

Who owns MathOverflow?

Is MathOverflow a subsidiary of Stack Exchange? Did MathOverflow lose its independence when it migrated to the Stack Exchange network?
François G. Dorais's user avatar
51 votes
4 answers
4k views

How to write a good MathOverflow question?

How do I write a good MathOverflow question? Got any advice for me?
Kim Morrison's user avatar
  • 7,600
42 votes
2 answers
1k views

Who owns my MathOverflow posts?

Does Stack Exchange or MathOverflow own my posts? Can I reuse my posts elsewhere? Do I need to cite MathOverflow if I want to reuse my posts elsewhere?
François G. Dorais's user avatar
34 votes
6 answers
1k views

Disappearing "Hi!"

Just curious ... A brand new member posted a question this afternoon, and I posted an answer. I know him quite well, and he was here in Bristol to give a seminar two days ago, and without giving it ...
Jeremy Rickard's user avatar
32 votes
112 answers
12k views

Requests for reopen and undelete votes for closed and deleted questions

Since I expect this may prove rather useful, I'm blatantly purloining Asaf's question from meta.math.se. Please post general requests for reopen votes as answers below. Beware that "short" ...
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
30 votes
2 answers
926 views

On the current color scheme, and why it sucks

Being color blinded is not very easy. You end up wearing black shirts and blue jeans, because it's easier. When you look at a computer monitor sometimes the red and green mix together, all sort of ...
Asaf Karagila's user avatar
  • 38.1k
27 votes
2 answers
666 views

Would newly elected moderators join the board of MathOverflow Inc.?

MathOverflow is a bit different from most of the sites in the network in that it is not operated only by Stack Exchange, but it "belongs" also to the nonprofit MathOverflow corporation. If I ...
Martin Sleziak's user avatar
26 votes
27 answers
3k views

Help cleanup tags!

This is meant to agglomerate tags that need (occasional or regular) cleanup. That is tags that mean multiple unrelated things and need to be separated into more specific tags. Please follow the ...
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
  • 62k
24 votes
2 answers
714 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
1 answer
789 views

Update on "Who owns my MathOverflow posts?"

I saw the question previously asked in: Who owns my MathOverflow posts? Unfortunately, I was not able to get a clear answer by reading the responses to that question, as other people had commented ...
Mahdi Majidi-Zolbanin's user avatar
23 votes
3 answers
915 views

How can I donate to MathOverflow — if I should?

I understood from this meta question that MathOverflow is a nonprofit nonstock corporation dedicated to keeping this site running and that the nonprofit status allows receiving donations. What is the ...
Joonas Ilmavirta'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
22 votes
1 answer
1k 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. ...
Rebecca J. Stones's user avatar
19 votes
2 answers
2k views

How can I log in into my old mathoverflow account?

I had a separate log in account for mathoverflow. Now, I'm unable to log in into that. I see only options of logging in using google, facebook, stack exchange etc but no option of logging using ...
19 votes
1 answer
963 views

Somebody copied my question from mathstackexchange word-for-word

While using google to search for "11th power diophantine" it gave the mathoverflow link, The diophantine eq. $x^4 +y^4 +1=z^2$ which is copied word-for-word from my mathstackexchange post, https://...
Tito Piezas III's user avatar
18 votes
1 answer
749 views

Where's the old meta?

Where's the old meta.mathoverflow.net?
user avatar
18 votes
1 answer
607 views

Influx of ridiculous number of spam users – what to do?

There is currently an absolutely ridiculous influx of spam user profiles: almost the entire "recent badges" section in the right-hand column of the main page is full of Autobiographer badges ...
gmvh's user avatar
  • 2,798
18 votes
9 answers
769 views

Requests to remove community wiki

In the old days of MathOverflow, community wiki status was irreversible. This is no longer the case! There are many old questions and answers that became community wiki by accident or other reasons. ...
François G. Dorais's user avatar
17 votes
24 answers
3k views

Help improve tagging!

Please help by writing tag wikis for your favorite tags! Use answers to this post to suggest tag synonyms. Finally, if you're a 10k+ user, note how easy it is for you to edit tags now!
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
  • 7,600
17 votes
1 answer
712 views

What should I do when I see a spam post on MO?

What is the correct way to handle spam on MathOverflow? Can regular users do something when they see a spam post?
17 votes
1 answer
895 views

Were there some recent changes to the moderators' team?

I have noticed that Mariano Suárez-Alvarez is no longer listed among the moderators and his profile page no longer shows diamond by his name. (I am pretty sure I remember that he was one of the ...
Martin Sleziak's user avatar
17 votes
1 answer
578 views

imgur will remove some content soon. Does MathOverflow need to save images?

It has been reported that "Hosting site Imgur will remove explicit and anonymous content next month". Are there possibly some images linked in MathOverflow questions or answers, attached to ...
Zach Teitler's user avatar
  • 6,207
17 votes
0 answers
581 views

Effects of the Stack Exchange 'update to Terms of Service' on MathOverflow

Do the recent changes to Stack Exchange Terms of Service affect MathOverflow in any way -- and if yes, what are the concrete effects?
Stefan Kohl's user avatar
  • 19.5k
16 votes
2 answers
1k views

Recognizing identifiable users changing user names

I noticed recently regular users changing usernames (for instance, changing to a username supporting some particular political issue). The purpose of this post is not to discuss whether this should ...
YCor's user avatar
  • 61.1k
16 votes
1 answer
804 views

Who are the MathOverflow moderators?

Where can I find the list of MathOverflow moderators? How can I contact them?
15 votes
2 answers
723 views

Why does mathoverflow constantly compile the latex for my questions and answers?

Whenever I ask or answer questions on mathoverflow, the output is constantly being compiled. While this is sometimes a desirable feature, it turns out that at least for my computer, when I am giving a ...
Joseph Van Name's user avatar
15 votes
1 answer
1k views

10 year 'temporary suspension'?

I recently noticed that Morteza Azad's account is temporarily suspended for what appears to be a period of 10 years unless I'm reading that date wrong. The linked stackoverflow guidelines indicate ...
Alec Rhea's user avatar
  • 9,047
15 votes
1 answer
670 views

a spate of deletions by "Community"

18 minutes ago (at time of writing) a whole swathe of questions appear to have been deleted, some of which seemed not to be obviously sub-par or off-topic, and some of which had a net rep scoire of 0 (...
Yemon Choi's user avatar
  • 25.5k
15 votes
1 answer
569 views

Tumbleweed Badge: Proper Response

Being a European, I doubtless do not fully understand the associations of the Tumbleweed badge that I have just received. Is there a MO consensus about the appropriate reaction?
Ian Calvert's user avatar
14 votes
4 answers
2k views

Frequently Asked Questions: MathOverflow FAQ

Frequently Asked Questions for MathOverflow What kind of questions can I ask here? What kind of questions should I not ask here? What about open problems? Where's the rule that says I have to wear ...
14 votes
2 answers
414 views

Illustrating posts of others

This issue arose in connection to the question Is this a $C^0$ foliation of $\mathbb{R}^2$? where a foliation is described formally. I thought it would help to have a picture of it. Initially I wanted ...
მამუკა ჯიბლაძე's user avatar
14 votes
1 answer
628 views

How to @ a user with non-Latin characters?

When typing comments, it's useful to use the "@" system to alert a user to a comment (and also to make it clear to a 3rd party who you are addressing a comment to, as comments have no "...
Matthew Daws's user avatar
  • 18.5k
14 votes
1 answer
323 views

Can I retag questions to get a topic badge?

This is just something I was wondering: I currently have 19 non-CW answers in real-analysis. Could I just go through my old answers looking for a question which involves real analysis but hasn't been ...
David E Speyer's user avatar
14 votes
1 answer
171 views

Explanation of site scope in help center

Where in the new help center can I find an explanation that the scope of this site is limited to research-level math questions? There is a close reason (part of "off topic") that mentions the help ...
Carl Mummert's user avatar
  • 9,583
13 votes
2 answers
514 views

Are the colors wrong?

I know that my eyes are not the best when it comes to color vision. But all the colors look wrong. Is it just me, is it the Nexus 4 that I'm using, or did someone do something?
Asaf Karagila's user avatar
  • 38.1k
13 votes
1 answer
780 views

Best way to correct "Cauchy-Schwarz" misspellings

I would like to apologize because the top questions page is currently overrun by questions I just edited. I just noticed that Cauchy-Schwarz is often incorrectly spelled Cauchy-Schwartz and so I made ...
coudy's user avatar
  • 18.6k
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
12 votes
7 answers
601 views

Help fix the documentation!

Moderators have started incorporating the old faq material in the new help system. It wasn't a perfect fit, a lot of stuff is no longer relevant, redundant, missing or broken. You can help by going ...
François G. Dorais's user avatar
12 votes
2 answers
683 views

Geographic distribution of people on MathOverflow

Is there a way to answer questions like the following, either by means of the StackExchange Date Explorer or by other means?: How many of the regular MathOverflow users (say, e.g., those who ...
Stefan Kohl's user avatar
  • 19.5k
12 votes
1 answer
480 views

What has happened to this site?

The whole front page (of this site, meta) is old questions modified 3 hours ago by Community. What's going on here?
Gerry Myerson's user avatar
12 votes
2 answers
706 views

Why did flagging a comment for deletion made it disappear immediately?

I wrote a comment under an answer, claiming that the answer was wrong. The poster replied to me in another comment, showing that my argument was wrong. Acknowledging this, I deleted my comment and ...
Alex M.'s user avatar
  • 5,345
12 votes
1 answer
352 views

May I borrow the question/answer editing/preview gadgets?

That is, I really like the feel and responsiveness of these gadgets (much better than LyX, for instance) and would like to use them offline. Is this actually possible? Are there licensing issues? ...
Jesse C. McKeown's user avatar
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
12 votes
2 answers
354 views

How to find out what activity activated a favorite?

I have several favorite questions and it is a great feature that every time something happens around them, they are flagged up for me. However, when I turn to them, in most cases I cannot figure out ...
მამუკა ჯიბლაძე's user avatar
12 votes
1 answer
285 views

How to recommend that a question is better suited for another SE site that isn't listed in the close reasons?

Today I found MO questions where commenters recommended that Proof Assistants or History of Science and Mathematics would be preferable to MO. Other better placements I remember include Mathematica, ...
Brian Hopkins's user avatar
12 votes
1 answer
656 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
1 answer
571 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 ...
Martin Sleziak's user avatar

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