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3 votes
1 answer
108 views

Site in read-only mode, but users are still posting new material

For a day now, every time I go to MathOverflow, it says "This site is currently in read-only mode. We’ll return with full functionality soon." But I also see what appear to be new posts from ...
Gerry Myerson's user avatar
1 vote
0 answers
92 views

Why doesn’t the latex render here?

This question has a block of valid latex which doesn’t render when viewed except on edit mode. below are 2 screenshots from my phone. One in edit mode and the other in regular mode. I used this site ...
Sidharth Ghoshal's user avatar
-14 votes
2 answers
445 views

dispute -100 rep decision

I was given -100 reputation for this sound mathematical post https://mathoverflow.net/questions/473947?noredirect=1#comment1231454_473947 This is excessive and I want to dispute this decision, how do ...
ResearchMath's user avatar
-6 votes
1 answer
274 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 ...
matt's user avatar
  • 1
3 votes
0 answers
85 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 ...
Lawton's user avatar
  • 105
7 votes
2 answers
131 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 ...
David White - gone from MO's user avatar
5 votes
2 answers
142 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 ...
David White - gone from MO's user avatar
7 votes
2 answers
538 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 ...
varkor's user avatar
  • 9,472
1 vote
1 answer
136 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 ...
ziggurism's user avatar
  • 1,446
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-...
Andy Putman's user avatar
  • 44.2k
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 ...
LSpice's user avatar
  • 11.9k
0 votes
2 answers
141 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}\\ ...
Stephen Elliott's user avatar
5 votes
0 answers
131 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 ...
Andrey Gogolev's user avatar
6 votes
1 answer
108 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 ...
Sergei Ovchinnikov's user avatar
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, ...
Brian Hopkins's user avatar
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
Ali Taghavi's user avatar
-8 votes
1 answer
239 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 ...
porton's user avatar
  • 739
6 votes
0 answers
511 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 ...
Dave Benson's user avatar
  • 13.8k
2 votes
0 answers
70 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 ...
LSpice's user avatar
  • 11.9k
3 votes
1 answer
646 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 ...
Super Coder's user avatar
2 votes
1 answer
106 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://...
Peter Taylor's user avatar
  • 6,956
2 votes
1 answer
353 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 ...
Arbuja's user avatar
  • 1
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 ...
Arbuja's user avatar
  • 1
6 votes
1 answer
222 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
17 votes
1 answer
583 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
  • 6,227
4 votes
1 answer
234 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
  • 27k
4 votes
2 answers
91 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
  • 23.1k
-5 votes
2 answers
324 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
798 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
137 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 ...
მამუკა ჯიბლაძე's user avatar
2 votes
0 answers
90 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
128 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
223 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
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 ...
Sam Hopkins's user avatar
  • 23.1k
5 votes
1 answer
459 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
  • 11.9k
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 (...
Alison Miller's user avatar
1 vote
1 answer
83 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
7 votes
1 answer
174 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
  • 24.4k
4 votes
1 answer
229 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
  • 11.9k
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 ...!)
Fred Dashiell's user avatar
10 votes
4 answers
305 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
  • 11.9k
6 votes
1 answer
170 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
  • 8,195
5 votes
0 answers
156 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 - gone from MO's user avatar
12 votes
1 answer
571 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
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 ...
მამუკა ჯიბლაძე's user avatar
9 votes
1 answer
277 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
  • 34.8k
9 votes
2 answers
768 views

`\intertext` in MathJax

MathJax, at least as used on MO, recognises many multi-line environments, like {multline}, {align}, and ...
LSpice's user avatar
  • 11.9k
3 votes
2 answers
389 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
  • 11.9k
13 votes
1 answer
781 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
  • 18.6k

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