Questions tagged [support]
You need help with the use of one or more of the site's features.
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Formatting Sandbox
The purpose of this thread is to enable people to check if their formatting works and to play around with their MathJax code.
Quoting from Bill Dubuque's Formatting Sandbox on meta.math.SE:
To use ...
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5
votes
1
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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 ...
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I don't succeed in hiding paragraphs using >!
I found here in the spoilers paragraph that putting >! would hide the following
things, which was a way for me to alleviate a question's heavy presentation by hiding
paragraphs that could be seen if ...
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16
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1
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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 ...
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4
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1
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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 ...
Stefan KohlMod
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3
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2
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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 ...
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2
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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 ...
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23
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1
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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 ...
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3
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1
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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 ...
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18
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1
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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 ...
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0
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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 ...
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2
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How to wear my Winter bash hat
I have noticed a link on my Mathoverflow page linking a webpage that explains an event called Winter bash. I have earned already earned some hat which I am using on different stack exchange ...
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0
answers
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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.
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25
answers
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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 ...
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0
answers
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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 ...
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24
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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!
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4
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2
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Removing "tag-removed" tag
Currently, contra its intention the "tag-removed" tag has more than $300$ associated questions, many of which are upvoted and have actually contentful tags. This seems like a situation ripe ...
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Registered vs. unregistered users?
What does it mean if a user is unregistered?
I'm interested in the questions and answers of a particular user, let's say "SAM". I clearly see questions that SAM has asked, but when I search for "SAM"...
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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 ...
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1
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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?
CommunityBot
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JavaScript loading problem
In my hotel in Shanghai, I get the error message
MathOverflow requires external JavaScript from another domain, which is blocked or failed to load.
Is there a work around for this? Posts load very ...
CommunityBot
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1
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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 (...
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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 ...
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2
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Numbering and cross referencing of equations in questions and answers
A basic LaTeX feature which I sometimes miss when asking and answering questions in MO (specially when the question and the particularly the answer are longer) is the possibility of numbering ...
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votes
111
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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" ...
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2
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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 ...
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24
votes
4
answers
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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, ...
CommunityBot
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1
vote
1
answer
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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 <...
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6
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1
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How to find highly upvoted comments?
My question is simple: is there a way to find the most highly upvoted comments on mathoverflow?
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3
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1
answer
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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 ...
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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 ...!)
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4
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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 ...
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5
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1
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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 ...
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1
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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 ...
Tim CampionMod
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4
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0
answers
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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 ...
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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 (...
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1
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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 ...
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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 ...
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13
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1
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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 ...
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7
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1
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`\intertext` in MathJax
MathJax, at least as used on MO, recognises many multi-line environments, like {multline}, {align}, and ...
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Providing a way to sort one's favorites by "date added"?
It is nice to have so many ways of filtering and sorting the thousands of threads in MO. So there I go, and my list of favorites becomes longer and longer. Most often I obviously add rather recent ...
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2
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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 ...
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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 ...
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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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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.
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Can I somewhere see my own deleted questions?
Don't worry, I won't try to sneakily repost them or otherwise bother anyone else besides me with them. I just felt like it would be nice to see what sort of questions I was thinking about a couple of ...
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About if questions in Research papers can be asked on MathOverflow
I am new to MathOverflow.
I am a master of mathematics student. I wanted to ask if questions in research papers ( regarding what I am not able to understand in the paper ) can be asked on ...
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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 ...
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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 ...
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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 ...
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