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Questions tagged [support]

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-5 votes
0 answers
139 views

Please, reopen my old question, I now have the answer

I want to answer my old closed question myself. Is there a formula or algorithm to remove infinitesimal and oscillating parts from an expression while keeping finite and infinite ones?
6 votes
5 answers
1k views

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 ...
26 votes
26 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 ...
7 votes
2 answers
531 views

Systematic downvoting

In the past 7 days, I have received 9 downvotes (on questions that have been otherwise positively received). I suspect someone is systematically downvoting, but doing so with a large enough interval ...
-6 votes
1 answer
262 views

Why can't I post a question?

I'm not good at expressing myself and need research level math help, to assist my research in mathematics, to help the community. Please let me express myself here as I am just trying to get ...
9 votes
2 answers
713 views

`\intertext` in MathJax

MathJax, at least as used on MO, recognises many multi-line environments, like {multline}, {align}, and ...
3 votes
0 answers
77 views

Including a hash character (#) in a math equation causes it to not render (in new-question page)

I want to ask a question about a paper that uses this notation: However, when I typeset it in MathJax with ...
7 votes
2 answers
127 views

Is there a way to download all your contributions?

Suppose I want to download all my questions and answers, e.g., as separate latex files. Is there a way to do this automatically? For example, this can be done on Facebook and on Google. There are many ...
5 votes
2 answers
137 views

In the MathOverflow data, can you determine the number of hours you've spent on MathOverflow?

In your profile, you can find a list of all your questions, answers, and comments, and also how many total days you've been logged into MathOverflow. Is there also a way to determine the total number ...
6 votes
1 answer
1k 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 ...!)
1 vote
1 answer
131 views

Undelete a post

Is there any possibility of undeleting a post? I know it was closed years ago as not MO level. So maybe it could be undeleted and then moved to MSE? Just because it hosts a discussion which is ...
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" ...
5 votes
1 answer
109 views

Getting list of users ordered by date joined

Back in the old days before we moved to the current stackexchange platform, you could list users sorted by their user number. Is it still possible to get such a list? I'm trying to remember an old-...
8 votes
2 answers
410 views

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 ...
4 votes
1 answer
197 views

Why does revision 5 of MO120096 look empty?

I recently came across Andrea Mori's question Explicit Casselman theory: reference needed. The comments 1 2 make reference to matrices rendering poorly, and then being fixed, and I was curious what ...
4 votes
1 answer
277 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 ...
0 votes
2 answers
137 views

How is it possible to format a right-aligned sequence that has single and double digits so that the alignment is correct?

I have this MathJax sequence that I want to format properly in MathOverflow: $$S_m = \begin{cases} \begin{aligned} 1, \quad\text{for m=1}\\ 12, \quad\text{for m=2}\\ 123, \quad\text{for m= 3}\\ ...
6 votes
1 answer
107 views

Account merging

I have an issue with account merging form in the help center. The 'Your other profile link' does not accept any link to the second my account. Picture 1: Completed help form Picture 2: Outcome of ...
5 votes
0 answers
127 views

Is there a way to recover old account without email?

I would like to recover my account https://mathoverflow.net/users/2029/andrey-gogolev I don't seem to remember the email associated to it. Even if I did I probably don't have that email address ...
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, ...
1 vote
0 answers
117 views

There is no any answer box for this post

I would like to add an answer to this question but there is no any answer box for this question. What is the reason? Nonequivalent definitions in Mathematics
-8 votes
1 answer
237 views

Is asking to verify my P=NP proof appropriate?

Is providing link to my (8 pages) proof of P=NP and asking to check my proof appropriate for a MathOverflow question? The proof is on professional mathematician level (uses advanced logics) and does ...
6 votes
0 answers
441 views

FirefoxCP Isolated Web Content CPU overdrive

Just recently, MathOverflow has started to cause Firefox to use massive CPU resources, at least on my machine. In particular, I'm on a Macbook Pro 2.3 GHz 8-Core Intel Core i9 running Ventura 13.4.1 ...
2 votes
0 answers
65 views

How do backticks, escaped backticks, and math mode interact, in posts and comments?

I know I can escape backticks, like `. I though I could escape backticks within backticks, as I did in a comment, but it's not working here: a\b`. See a comment ...
2 votes
1 answer
105 views

Custom filter is stuck on

I had a custom filter for questions in tag co.combinatorics with no answer. It seems to be "stuck" in the sense that if I go to the "generic" page for that tag, https://...
3 votes
1 answer
443 views

Writing a bar on top of a number

I want to write a question in which I have a bar on top of a number or letter to represent a recurring digit. however, I can't find any options to write the particular digit, even when I search the ...
2 votes
1 answer
351 views

How can I improve my posts to attract responses?

This is a follow up to this post: I haven’t received a response from either this or this post, since, according to @Asaf Karigila: "The longer, more detailed, more effort that is required to ...
1 vote
0 answers
93 views

Making my post easier to read

I tried to make this post easier to read but find it extremely difficult to get through grammatical-wise. I'm wondering if there is someone who can correct the grammar of this post or rewrite the ...
6 votes
1 answer
213 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 ...
4 votes
0 answers
222 views

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 ...
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 ...
4 votes
1 answer
227 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 ...
4 votes
2 answers
89 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 ...
-5 votes
2 answers
322 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 ...
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 ...
3 votes
1 answer
136 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 ...
18 votes
1 answer
606 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 ...
2 votes
0 answers
89 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 ...
4 votes
2 answers
315 views

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 ...
0 votes
0 answers
127 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.
11 votes
0 answers
220 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 ...
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!
4 votes
2 answers
181 views

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 ...
6 votes
1 answer
1k views

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"...
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 ...
6 votes
1 answer
4k 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?
7 votes
1 answer
472 views

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 ...
8 votes
1 answer
177 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 (...
5 votes
1 answer
403 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 ...
7 votes
2 answers
2k views

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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