As of May 31, 2023, we have updated our Code of Conduct.

Questions tagged [support]

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5 votes
1 answer
123 views

My gravatar has changed

My automatically generated Gravatar has changed. Is that normal? I thought they were supposed to be permanent. I used to have a purple pattern IIRC, now it is light blue, a color I have never seen. It ...
Federico Poloni's user avatar
16 votes
1 answer
480 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
  • 5,460
4 votes
1 answer
179 views

Looking for an answer (written by Thurston = user9062)

I recall that Thurston answered a question, showing that a particular graph braid group is the fundamental group of a three-manifold. I even recall that the answer proved that the three-manifold was ...
Sam Nead's user avatar
  • 22.8k
3 votes
2 answers
86 views

Can’t vote to close question as duplicate of question without an answer

I tried to vote to close Einstein problem; on mirror symmemtry as a duplicate of Aperiodic monotile without reflections?. But the software gave me an error I wasn’t expecting: it said because the ...
Sam Hopkins's user avatar
  • 20.6k
-4 votes
2 answers
302 views

Is there a penalty for merely looking at a question, comments and an answer?

Recently I have lost 2 reputation points for merely looking at a question, comments and an answer (1 point for reading the question "Large cardinals in $ZF$ + $DC$ + $AD$, and 1 point for reading ...
Thomas Benjamin's user avatar
23 votes
1 answer
710 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
3 votes
1 answer
127 views

Can I see my flaggings?

Is there anywhere a list of questions, answers or comments that I have flagged? I believe a list of such, together with my explanations why did I flag this, should be available, but I could not find ...
2 votes
0 answers
87 views

Would undeleting questions increase the positive question record?

I came to know that to have a positive question record the total number of questions (including deleted ones) must be at least double the sum of (deleted, downvoted, and closed) questions. If a ...
Zuhair Al-Johar's user avatar
0 votes
0 answers
126 views

Gaining points for posting

How do I earn 50 points to comment if I am not allowed to comment or post? So my problem is as described as far you can see.
Buster Solomon's user avatar
11 votes
0 answers
168 views

What is the status of the imgur images on MathOverflow?

Many posts on MO contain a link to imgur.com. Such links can be created outside the Stack Exchange network - if somebody simply creates a picture on imgur. But some of them might have been uploaded ...
Martin Sleziak's user avatar
11 votes
0 answers
595 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
  • 20.6k
5 votes
1 answer
151 views

What is a supported use of \hfill?

According to Supported TeX/LaTeX commands, \hfill is supported. However, as expected, it doesn't work in ordinary text \hfill ; and using it in math mode seems to ...
LSpice's user avatar
  • 9,937
8 votes
1 answer
169 views

Interesting question deleted by author — how to reach out to author to ask to undelete?

"Coloring Gaussian integers based on a numeral system based on powers of $-1+i$" was an interesting question that was recently asked. I left a comment with some relevant keywords and links (...
Alison Miller's user avatar
1 vote
1 answer
81 views

Long post fails to render

In one MathOverflow answer by me, the MathJax code added latest fails to render correctly. Instead, one $ tag is ignored and for the rest on the line, code inside <...
Arvid Samuelsson's user avatar
6 votes
1 answer
152 views

How to find highly upvoted comments?

My question is simple: is there a way to find the most highly upvoted comments on mathoverflow?
Gil Kalai's user avatar
  • 24.1k
3 votes
1 answer
227 views

Is there a way to `@` exactly one of two users whose names differ, if at all, only by whitespace?

I recently approved an edit to Zeroes of characters of general linear group induced from certain characters of parabolic subgroups by user @math seeker. I approved the edit, which was otherwise ...
LSpice's user avatar
  • 9,937
4 votes
1 answer
281 views

Hyperlink in a comment?

How do I add a link to an external published article in a comment? I don't see the edit frame with the link button. What is the syntax I can use? (I did search Meta but did not see ...!)
Fred Dashiell's user avatar
10 votes
4 answers
277 views

Is it possible to see the source for a comment?

Although this question seems to be new to M.MO, @MartinSleziak points out several related posts on Meta.MSE. I was curious about the diagrammatic magic of @YaakovBaruch's recent comment, and so ...
LSpice's user avatar
  • 9,937
5 votes
1 answer
152 views

Serial voting was reversed

I was recently noticed "serial voting was reversed" on MO. I am curious about how this works, and what this exactly means (I don't have the feeling that I did something wrong). Note that I ...
DamienC's user avatar
  • 7,913
4 votes
0 answers
145 views

Can we recover old MathOverflow Meta "Tea" discussions?

Today I flagged a question as needing to be made community wiki. I thought about why, and found this old question of mine here. Carlo Beenakker helpfully linked to a thread on the old tea. Link ...
David White's user avatar
  • 24.7k
12 votes
1 answer
555 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
3 votes
0 answers
180 views

My closed question was never reviewed to be reopened

Two weeks ago I posted this question: What is a good formalization of this classic math puzzle? The question was closed within hours (presumably based on a misunderstanding), I made some edits a few ...
Martin Weidner's user avatar
2 votes
1 answer
169 views

Mystery popup window

Last week or so, when I get into an SE site (MO in particular), a popup window appears in the lower left corner for few milliseconds. Some kind of clickable button there, with not enough time for me ...
მამუკა ჯიბლაძე's user avatar
9 votes
1 answer
262 views

Editing old question, can't submit as title is too long

I'm editing Is there a canonical map from the cohomology of orbifold Chiral de Rham on an orbifold to the cohomology of Chiral de Rham on a crepant resolution? as there was a broken arXiv Front link (...
David Roberts's user avatar
  • 32.2k
7 votes
1 answer
311 views

`\intertext` in MathJax

MathJax, at least as used on MO, recognises many multi-line environments, like {multline}, {align}, and ...
LSpice's user avatar
  • 9,937
3 votes
2 answers
133 views

MathJax equivalent of `<strike></strike>`

I recently tried to edit an old question x-th moment method that had got bumped to the front page for other reasons. The post had an equation that was meant to be, and maybe at one point was, struck ...
LSpice's user avatar
  • 9,937
13 votes
1 answer
765 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
  • 18.1k
-3 votes
1 answer
108 views

How to formulate a question for a Mathoverflow forum?

Can the following question be posted? “Where could an error be in the proposed proof of Fermat Last Theorem? Info about the author, proof and preliminary validation is at (link)”. How should the ...
shes-yu's user avatar
24 votes
4 answers
796 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
  • 55.4k
3 votes
1 answer
158 views

How does one check progress towards a (second) Socratic badge?

Not to take anything too seriously, but how does one check progress towards a (second) Socratic badge? I've seen a script for another Overflow site, but it doesn't seem to work here.
H A Helfgott's user avatar
  • 18.6k
7 votes
1 answer
338 views

Top-voted questions for the year?

This link shows the top-voted questions:       https://mathoverflow.net/questions?tab=Votes In a New Year's spirit, how can I restrict this query to top-voted ...
Joseph O'Rourke's user avatar
2 votes
0 answers
152 views

How can I contact a specific user

I'm new here and it was suggested to me to ask this here. There was a particular user who's answers and questions came up more than once when researching a couple math related topics and I was hoping ...
StackQuest's user avatar
2 votes
1 answer
150 views

Is it possible to find out why a comment was deleted?

I had a comment at How do you generate math figures for academic papers? asking whether the question was a duplicate. (Carlo Beenakker is responding to it in this comment.) Since the comment is no ...
LSpice's user avatar
  • 9,937
4 votes
1 answer
126 views

Are my comments searchable?

My activity page in particular contains "All actions" tab; all my comments are there. Can I search for, say, a specific word there? A wonderful answer by Martin Sleziak to my question Is it ...
მამუკა ჯიბლაძე's user avatar
2 votes
0 answers
222 views

How do I recover my MathOverflow account?

I've been inactive for close to a year due to illness--and want to resume my activity as in Euclidean volume of the unit ball of matrices under the matrix norm but when I try to do so, I get treated ...
Paul B. Slater's user avatar
2 votes
1 answer
176 views

I can not find one question I have already asked

I had already asked a question as follows: "Is there a one dimensional foliation of a two dimensional manifold whose foliation groupoid is diffeomorphic to a 3 sphere with two north pole. The ...
Ali Taghavi's user avatar
3 votes
1 answer
242 views

Finding previously highly active deleted users

I was fairly active on MO at the start. Then, as is the case with some early users, my participation became much more sporadic over the years. Recently, I realized that quite a few of the old accounts ...
Hailong Dao's user avatar
  • 30.1k
4 votes
0 answers
293 views

Criteria for Top question?

I posed a question on Mathoverflow which got no votes, but it made it to Top question. I supplied an answer, while nobody else proposed an answer. How come it made it to Top question?
Frode Alfson Bjørdal's user avatar
5 votes
0 answers
142 views

How can I see the line length available for long mathematical expressions in posting on MO?

In typing up a question (or answer) on MO, I try to format a long mathematical expression so that it fits in one line. When I meet with apparent success, as shown in the wysiwyg box underneath the box ...
John Bentin's user avatar
  • 2,417
5 votes
0 answers
269 views

Help center text references a thread but doesn't indicate which one

In the "What about open problems?" section of https://mathoverflow.net/help, the last line says "To join the discussion about how MathOverflow should deal with open problems, go to this ...
user44191's user avatar
  • 4,736
7 votes
1 answer
162 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. ...
SE - stop firing the good guys's user avatar
6 votes
1 answer
3k views

What happened to the stack exchange app for iOS?

The stackexchange app would no longer launch, I tried to reload it from the Mac App Store, and it’s not there (or at least, I could not find it). I probably missed some event, is there an alternative?
Carlo Beenakker's user avatar
2 votes
1 answer
265 views

My question is removed

Recently my question entitled "Non existence of a parametrically compatible metric to a complete geodesible vector field on $\mathbb{R}^2\setminus\{p,q\}$" is removed. What is the reason?
Ali Taghavi's user avatar
14 votes
1 answer
580 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
2 votes
0 answers
143 views

What is yellow about? [duplicate]

Some questions asked at MO are emphasized with the color yellow. What does this mean, and how can one emphasize a question that way?
Frode Alfson Bjørdal's user avatar
2 votes
3 answers
515 views

Is there any process to appeal suspensions?

Does mathoverflow have any procedure for appealing suspensions? I'm asking because I was banned for a week (I believe unjustly) due to rude behavior. Question: What recourse is there if I feel I was ...
Claude's user avatar
  • 605
2 votes
3 answers
238 views

How to make sure your questions never disappear in a blackhole?

Let's say some or all of your questions are deleted (by admins, not by yourself), or your account gets deleted (not by yourself). Is there a way to retrieve your questions? From what I've read, this ...
Vincent Granville's user avatar
4 votes
1 answer
209 views

How are hot meta posts decided?

I'm curious about the exact mechanisms behind the 'hot meta posts' blurb on the right hand side of the main/meta page. I have been monitoring it for the past few days to see if my recent question ...
Alec Rhea's user avatar
  • 8,294
18 votes
1 answer
593 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
  • 2,526
7 votes
2 answers
427 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 ...
Sam Hopkins's user avatar
  • 20.6k

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