Stack Exchange Network

Stack Exchange network consists of 174 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Questions tagged [support]

You need help with the use of one or more of the site's features.

-9
votes
1answer
364 views

Remove down-voting or show down-votes in the separate counter

I have been reading this question and answers and I have submitted the answer there which is really a question. I have added it there, because it come to my mind after reading the questions and ...
-8
votes
2answers
181 views

Has word “mathoverflow” trademark?

I have domain name mathoverflow.in, and I want to develop a free website or Q2A discussion forum using https://www.question2answer.org/ free open source platform. I'...
23
votes
13answers
2k 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 ...
12
votes
1answer
415 views

Problem with posts and comments relying on macros defined elsewhere

MathJax supports possibility do define macros. (Using \newcommand, \DeclareMathOperator, \def...
2
votes
2answers
152 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 ...
5
votes
0answers
199 views

No reputation change signals if subtracted from bounty?

Right now I am observing the following. Usually every time I get an upvote somewhere, I get a signal about it in the upper right corner. Recently I declared a bounty (and awarded it for an answer) at ...
26
votes
89answers
9k views

Requests for reopen and undelete votes for on-hold, 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" ...
3
votes
0answers
68 views

How to follow a question?

Basically, is it possible to follow a question by another user? Meaning whenever there are new answers or comments on it, I get a notification in my inbox, the same way the original poster of the ...
5
votes
1answer
159 views

Cancel delete vote

For closing votes, before a question is closed (5 votes) I can cancel my closing vote (after which I can't vote anymore). After a deletion vote (of a closed question with score $\le -3$), I tried to ...
14
votes
4answers
1k 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 ...
3
votes
1answer
79 views

What is the procedure to initiate merging of questions?

My previous question What to do with useful answers to questions closed as duplicates (or by some other reasons)? got an answer which satisfied me entirely: if a duplicate question has got a nice ...
44
votes
4answers
2k views

How to write a good MathOverflow question?

How do I write a good MathOverflow question? Got any advice for me?
10
votes
3answers
419 views

How to logout from the site?

There is no visible (to me) button for logging out. How to do so? This is an attempt to comply with François Dorais' request.
24
votes
2answers
480 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 ...
15
votes
21answers
2k 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!
5
votes
1answer
160 views

Why is Math Overflow a .net website unlike all the other sites which are .com websites?

As stated in the title, MathOverflow is a .net website, unlike every other site I've seen in the SE network, which are all .com sites. Why is MathOverflow the sole .net site of Stack Exchange?
0
votes
1answer
124 views

Apparent bug in reputation calculator

Mine appears to be stuck at 2321 -- even though my answer here keeps getting upvoted: What definitions were crucial to further understanding?
2
votes
1answer
114 views

Why am I not getting notification for comments?

Why am I not getting notification for comments to some answer to my question in inbox? Marc Hoyois’s last comment to my question $2$-fiber product is a scheme then map of stacks is representable did ...
12
votes
1answer
297 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 ...
3
votes
1answer
288 views

Are all terms clearly defined in Help fragments? If not, who can contribute?

I could be hypocritical and not specify the specific case that induced this question. But actually I am after a golden badge :D Its description says this: Ask a well-received question on 100 ...
-2
votes
1answer
428 views

Why MO community forbide me and discourage me to do my research and to post my questions?

I'm confused why MO community forbids me many times to ask question however the last question that I have posted wasn't negative , Really this method of dealing is discouraging me and discourage all ...
6
votes
0answers
281 views

Misspelling of Cauchy-Schwarz

As a comment of Dennis Serre, the correct spelling of Cauchy-Schwarz is Cauchy-Schwarz (not Cauchy-Schwartz): The spelling is Cauchy-Schwarz, from Hermann Schwarz. If you are interested in Fourier ...
17
votes
1answer
623 views

Where's the old meta?

Where's the old meta.mathoverflow.net?
0
votes
1answer
137 views

The meaning of the badge “Sportsmanship”

I would appreciate if you explain on the meaning of the badge "Sportmanship". It is described as below but I can not understand what does it mean. May you describe this badge in an equivalent words?...
2
votes
1answer
150 views

Tag subscriptions and “Watch tag”

Something changed about tags. For the tags I have no subscription the new feature is like: whereas for the tags I have a subscription it is like: Questions: How to subscribe to a new tag? What ...
17
votes
1answer
706 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 ...
4
votes
1answer
166 views

5 points for an upvote to an answer?

just a curiosity, how is it possible to receive 5 points for an upvote to an answer to this question
1
vote
0answers
96 views

What should I do if I have a question on inactive post?

I recently asked this question about gamma function, and Vincent law commented a link to another post which stated similar question. There I found a link to MathOverflow post. I visited there, and I ...
11
votes
1answer
770 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 ...
0
votes
1answer
80 views

One number on top of another with mathjax?

Probably a simple question, but how can I write my script in mathjax to show one number on top of another and with a minus sign in the left side? Like this:
4
votes
1answer
212 views

To contact moderator who responded for flag

Suppose I have raised a flag and moderator has responded for that flag, accepted/declined it. I am happy/not happy with their decision and would like to thank/explain the point to the moderator who ...
3
votes
1answer
268 views

Is it possible to use tikzcd code in MO posts?

Question : Is it possible to use tikzcd code in MO posts? There are information for drawing diagrams using AMScd ...
0
votes
1answer
275 views

Is it possible to close my account without deleting it ?

I feel like, for some reason, I am not able to ask interesting questions here anymore. So it would probably be better to have my account closed. Still I asked some well-received questions in the past ...
10
votes
2answers
611 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 ...
1
vote
1answer
230 views

The mystery of disappearing points

On the one hand, I earned around 100-some points in the last day, on the other hand, my total increased by something like 10. Is there some bug?
6
votes
0answers
202 views

Why does MathOverflow keep logging me out?

I'm getting tired of logging in to MathOverflow ten times a day. The other Stack Exchange sites I use keep me logged in, and so did MathOverflow until recently. What is different about MathOverflow? ...
0
votes
1answer
199 views

Derivative of reputation score over time is identically zero

I've got a smattering of upvotes on my small number of answers but my reputation has never budged. Can someone explain why this is so?
4
votes
2answers
361 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 ...
9
votes
1answer
399 views

A message from stack exchange concerning support for OpenID

I received the following message but I am not sure that it is a real message or is spam. Is it it really a message from SE sent to all participants? "Stack Overflow and Stack Exchange are ...
2
votes
0answers
117 views

What's the difference between two off-topic flags?

I'm sure that this is somewhere on MMO, but my searching hasn't turned it up. When I flag a question as off-topic, two of the options that I am given are "This question does not appear to be about ...
1
vote
1answer
91 views

Why does this figure do not appear?

I add a Picture "GaussBonnet with Jpeg format to the following question but it does not work. (Some possible obstructions to ) Limit cycles as closed geodesics(3) Can one help me to resolve ...
3
votes
0answers
84 views

A markdown question: are custom list number formats possible?

For list numbering, 1., 2., ... are used. Could I change this somehow, to use, say, (1), (2), ... or i), ii), ...?
1
vote
2answers
106 views

Is there a way to check all questions/answers posted from a deleted account

Suppose I know an account number, say user313948. Is there any way to check all questions/answers posted by that user?
2
votes
1answer
186 views

Recovering just for me my deleted question (or answer)

I am sorry to ask. There was an MO Q. by me (which addressed in an elementary way the infinity axiom, actually by just providing another formulation of algebraic flavor). I have carelessly deleted my ...
3
votes
1answer
139 views

How to “accept” answer

How to "accept" answers - when you vote for an answer, there is a push-out very quick that I cannot read properly mentioning a way to "accept" the answer. Thank you in advance
1
vote
0answers
150 views

Synonym by a moderator which needs approval?

When I look at list of tag synonyms I see there a pending synonym rsk-correspondence $\to$ robinson-schensted-knuth and François G. Dorais♦ is listed as the creator. You can also see that this synonym ...
18
votes
0answers
574 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?
1
vote
1answer
87 views

Cancel command in MO post

Why the \cancel command does not work in the last part of the following post: A cohomology associated to a Riemannian manifold I would like to strike through the last part of the ...
6
votes
1answer
152 views

How to cut and paste

It has happened a few times that I have wanted to move someone else's answer from the comments to an answer, when the poster implicitly does not wish to do so (by not responding after a days-old ...
18
votes
9answers
743 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. ...