Questions tagged [support]

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

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6 votes
2 answers
668 views

Loss of reputation because a "user was removed"

I just noticed that I lost 10 points of rep because "user was removed". I don't get it.
  • 50.8k
5 votes
2 answers
200 views

I flagged a question with the wrong option. What should I do?

Should I leave it as it is, or leave a comment to this, or flag for moderator attention and explain my mistake? I do not want to draw attention to the specific question this is why I do not link it ...
3 votes
1 answer
164 views

My answer got upvoted, but no reputation increase?

My reputation score seems to be stuck at 510 even if some of my answers were up-voted recently. How do I fix this bug? How do I contact the moderators in order to solve (or at least understand) the ...
  • 698
2 votes
2 answers
432 views

Pink questions in the list

In the question list we see that there are some questions which are pink. What is the reason of this situation?
1 vote
0 answers
332 views

How to merge old mathoverflow account?

I know that this question has been asked and answered here: How can I log in into my old mathoverflow account? I have e-mailed the stackoverflow admins twice, but nothing has happened for 48h now. ...
  • 1,971
23 votes
3 answers
883 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 ...
12 votes
2 answers
350 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 ...
4 votes
1 answer
291 views

How can I add a diagram or picture to my questions?

As it is obvious by title, I need to add a diagram to clarify my intuitions in some questions. How can I do it? Is there any limitation in format and size of the pictures?
's user avatar
16 votes
2 answers
942 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 ...
  • 52.8k
12 votes
2 answers
666 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 ...
  • 18.3k
7 votes
0 answers
291 views

Can Mathjax preview be switched off?

I recently typed an answer with a few formulas in it. While I was typing, my browser constantly reloaded the preview part below the typing window. Because MathJax apparently does three passes over the ...
6 votes
1 answer
238 views

Where has the @ gone ?

I started my comment on Marty Isaacs' answer with "@Marty Isaacs". But after saving the comment, the @... disappeared. What's the reason for this behavoir of the system ?
6 votes
1 answer
431 views

What's the purpose of the favorite button?

I'm trying to understand how the favorite button is meant to be used. I frequently see poorly written questions marked as "favorite". It seems the OP can make this designation. I was unable to find ...
  • 21.7k
4 votes
2 answers
116 views

Keyword Search of the User's own (my own) questions or answers

Is there a (good) way to "search" the keyword of the User's own (my own) previously asked questions or given answers in one's own profile? If so, how? Please illuminate. p.s. I asked that ...
  • 10k
4 votes
1 answer
164 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 ...
  • 572
2 votes
2 answers
644 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 ...
-9 votes
2 answers
241 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'...
  • 101
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 ...
27 votes
2 answers
610 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 ...
24 votes
4 answers
766 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, ...
  • 51k
18 votes
9 answers
763 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. ...
15 votes
1 answer
660 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 (...
  • 24.1k
15 votes
2 answers
677 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 ...
14 votes
1 answer
546 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?
13 votes
2 answers
510 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?
  • 35.6k
12 votes
1 answer
535 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 ...
12 votes
1 answer
455 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?
10 votes
1 answer
333 views

How to report intrisically spammy user accounts?

Sometimes, I notice that some very odd username is listed on Home as having earned the "Autobiographer" badge, where by "odd" I mean something very much non-mathematical and ...
  • 2,499
10 votes
2 answers
296 views

The data explorer on MO

I don't seem to be able to use http://data.stackexchange.com/ on MathOverflow. Will this change?
9 votes
1 answer
1k views

How to include diagrams in MO?

I have seen many questions and answers with nice diagrams but I do not know how to make them. Any answer involving MathJax and/or uploaded pictures is welcomed.
8 votes
5 answers
531 views

latex.mathoverflow.net/png images broken

Prior to MathJax and jsmath, MathOverflow used http://latex.mathoverflow.net/png to generate images of mathematical equations to insert in posts (e.g. this one). That didn't last very long but all of ...
8 votes
0 answers
124 views

Automatically fix outstanding mathjax issue involving backticks

After the transition to the stack exchange network, I have occasionally noticed posts being edited to replace occurrences of the following code (note the backticks): ...
8 votes
1 answer
590 views

How did I lose all my reputation points?

At the beginning of the summer I had around 1,172 reputation points. I didn't log on for a few months. Then, I saw that the site looked a little different and I looked at my profile and saw that I ...
's user avatar
8 votes
0 answers
152 views

Appropriate procedure for removing little used tags which are too specific

What is the correct procedure for removing tags which only have a single question, and would be better off with a less specific tag? My example is a question which was tagged 'relative-entropy'. ...
7 votes
1 answer
170 views

Changing mind about upvoting a comment

If I change my mind about upvoting a comment, is there any way to cancel my upvote there?
7 votes
1 answer
437 views

Viewed 67597 Times

Something strange here: Perfectly centered break of a perfectly aligned pool ball rack      
7 votes
2 answers
426 views

What are the exact mechanics of the vote for MO moderators?

The election for moderators is currently going on. Three new moderators will be elected. On the election page you are allowed to rank your choices of the candidates. It is a little unclear whether you ...
  • 19.6k
7 votes
1 answer
159 views

Unfortunate title length limitation when performing dead link maintenance

This question about disc projections has a link to an animation of a Reuleaux triangle spinning inside a square. "That sounds cool, I want to see what that looks like!", I thought. ...
7 votes
4 answers
148 views

How should I use the meta-tags [feature-request], [bug], [support], and [discussion]?

On meta, each post must be classified into one of four classes. Which should I use? Note that in addition to these four classes there are numerous other tags on meta that can and should be used in ...
6 votes
1 answer
243 views

Hard to notice links in comments

This is a conscious duplicate :D There are at least two more questions about it (The color of links in comments, On the current color scheme, and why it sucks - by the way, when trying to share them ...
6 votes
0 answers
224 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? ...
  • 8,771
5 votes
1 answer
202 views

What is the role of star on the left-hand side of a question?

I've been active on MO for a while now, but I have not yet figured out the role of the star that appears on the left-hand side of a question, underneath the number up/down votes. Sometimes there are ...
5 votes
2 answers
380 views

If I've found an error in my answer

If I've found an error in my answer, should I delete the answer or just to post a comment saying about the error? It seems that reading my answer may be helpful for finding a true answer.
  • 689
4 votes
0 answers
238 views

Is it possible to change the author of a problem on mathoverflow?

By a mistake I have written the problem Is "weakly good" series in a finite-dimensional Banach space "good"? from my account instead of writing it from the account of Lviv Scottish ...
  • 34.8k
4 votes
0 answers
90 views

Are there some situations when duplicates are not shown among linked questions?

I was under the impression that if Question A is closed as a duplicate of Question B then they are linked, meaning that if you view Question A then you will see Question B in the sidebar among linked ...
4 votes
1 answer
346 views

html tags in title, e.g. s̶t̶r̶i̶k̶e̶ ̶t̶h̶r̶o̶u̶g̶h̶

I thought it was a good idea to edit the title of the following question: What is the source of this E̶r̶d̶ő̶s̶ quote? I wanted to strike through (like this) the name Erdős, but apparently the html ...
4 votes
1 answer
103 views

Why is my feature-request not showing on meta?

I posted my feature request (Feature request: a possibility to leave mathoverflow) yesterday, yet it is not showing on the list of most recent questions. I thought it might be the negative votes but ...
  • 25k
3 votes
1 answer
296 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 ...
3 votes
0 answers
163 views

Question disappeared?

I posted this on meta.math.SE but they couldn't locate my question so I guess I had asked here. I copied my meta question below. I asked a question like a year ago. It was pretty detailed. Recently I ...
  • 463
3 votes
1 answer
118 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 ...