Questions tagged [support]

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Mathematics and MathOverflow relationship

Is there a connection between Mathematics and MathOverflow sites? Obviously topics are similar, but I mean something like: do questions posted on one site, perhaps with certain tags, automatically end ...
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  • 141
5 votes
1 answer
220 views

Order of the tags at MO

I have seen a post suggesting that in SE network a tags for the question should be shown ordered by the popularity (i.e., by the number of questions): Are the tags shown in a particular order? But ...
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5 votes
1 answer
257 views

"[error] I'm a teapot" when trying to add a picture

When I tried to add a picture to a new MO question, I got the error in the title. The data size is below 1 MB as a jpg image, but above 3 MB as a png. I noticed however that the image doesn't lie ...
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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 ...
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5 votes
1 answer
254 views

How can this user have a negative year reputation?

How on earth did Noah Schweber (whose contributions to MathOverflow I always greatly enjoy) end up with a negative year reputation for 2020?
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5 votes
2 answers
376 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.
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  • 689
5 votes
1 answer
977 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"...
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5 votes
1 answer
195 views

5 points for an upvote to an answer?

just a curiosity, how is it possible to receive 5 points for an upvote to an answer to this question
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5 votes
1 answer
154 views

Edits by anonymous users - when are they the "Community" bot?

I ask because I just turned down a minor edit on something that seemed to be done and dusted back in 2010, and the edit came with a comment briefly justifying it. Now I see that the edit has been ...
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5 votes
1 answer
216 views

Can 10K+ users see deleted questions?

After a short discussion in comment with 10K+ user, I noticed a fatal flaw in the question, wrote "Thank you" and not before long deleted the question. Not sure the 10K+ user saw my final comment. ...
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  • 23.6k
5 votes
1 answer
256 views

How to post a file

Is it possible to post a pdf file of a published article to MO as background for a question? I have searched the help for this. I know we can post specific citations to published articles, but this ...
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5 votes
1 answer
135 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 ...
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  • 7,618
5 votes
1 answer
288 views

Once a thread is deleted, is it really too late to bring it back?

I was under the impression that "deleted" threads were still visible by moderators or other high-level members of the community. Is this correct? If a post was deleted that shouldn't have ...
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5 votes
1 answer
157 views

Literature Requests & Opinions: Conventions At MO

Background: Having failed to solve a general problem that I posted more than a year ago on mathoverflow.net, I have now resorted to numerical methods (involving finite probability distributions) . ...
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5 votes
1 answer
217 views

Stable url for linking

This question probably belongs to some more general meta but since most heavily I use links on MO let me still ask it here. Occasionally I link to materials which may disappear at some point - like ...
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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 ...
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5 votes
1 answer
96 views

How do I add captions to inserted figures

Some of my MO answers have figures in them. How do I add captions and tags to them?
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5 votes
1 answer
195 views

Cancel delete vote

For closing votes, before a question is closed (5 votes) I can cancel my closing vote (after which I can't vote anymore). After a deletion vote (of a closed question with score $\le -3$), I tried to ...
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  • 52.1k
5 votes
1 answer
209 views

Trouble with tea?

This post has a link to this one on the old-meta-now-tea site, but when I clicked on it, I got this: A fatal, non-recoverable error has occurred Technical information (for support personel): Error ...
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5 votes
1 answer
850 views

Examples of MathJax codes of directed labelled graphs to use in a MathOverflow Question

I need some examples of MathJax codes of directed labelled (with loops or multiple edges) graphs to use in MathOverflow Questions so that I could easily change them to my graphs. Here is my try to ...
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5 votes
1 answer
197 views

How to edit comments?

I see that some comments have been edited, but on comments I have made there is only a delete button, not an edit button. How do I edit a comment?
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5 votes
1 answer
156 views

What happens when a question with a bounty is migrated?

I asked a question a few days ago which has received no responses (comments or answers) in spite of the fact that I put a 150 point bounty on it yesterday. It is quite possible that it just hasn't ...
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  • 27.5k
5 votes
1 answer
99 views

Main site changed look, but only in one device

Using Firefox on an iPad, suddenly the view for the main site changed; it now looks as follows: The meta site looks the same as it always has, and when I go to the site using firefox on a different ...
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5 votes
1 answer
175 views

Reverse an accidental downvote

I just noticed (by looking at my reputation) that I accidentally downvoted the following answer: Oscillation of the summatory Möbius function This was (probably) because I was reading the ...
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5 votes
1 answer
229 views

My question looks like spam

I'm trying not to be offended, I know how spam filters work and sometimes someone gets wrongly accused and it just happens to be me. I'm just a little frustrated because I carefully craft this ...
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  • 237
5 votes
1 answer
235 views

A blue message, which vanishes

When I vote (or comment?) I get recently a blue message which vanishes before I catch it. Do you have any idea about this colorful (well, just blue) info item?
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5 votes
1 answer
241 views

Flagging Options

When I flag a question, I'm given a menu of possible reasons. Sometimes there are only three reasons (roughly "Spam", "Offensive" and "Needs Moderator Attention"). Other times there are more (e.g. "...
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5 votes
1 answer
191 views

How do I withdraw a (wrong) accepted answer in favor of a right comment of that answer

My answer to a question (Asymptotic expansion of $\sum\limits_{n=1}^{\infty} \frac{x^{2n+1}}{n!{\sqrt{n}} }$) was accepted. But it turned out that it was wrong. A comment to my answer later gave the ...
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5 votes
0 answers
140 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 ...
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  • 2,427
5 votes
0 answers
264 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 ...
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  • 4,671
5 votes
0 answers
135 views

Is it expected my avatar to change today, without me changing any settings?

I am pretty sure yesterday my avatar was in light colors, while today is black and white, definitely different image. Haven't done any changes in my settings and the email is the same. Is this ...
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  • 23.6k
5 votes
0 answers
549 views

Recent question considered off-topic?

I recently posted this question, which was flagged as off-topic: How to approach the stigma of not having a math degree? I'm not sure why it was flagged. MO asks for questions about research-level ...
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5 votes
0 answers
106 views

Screwed up LaTeX when presenting edited posts for approval [duplicate]

In about one of every 4 cases when I am asked to approve an edit, the comparison page that shows the suggested edits suffers from incorrect rendering of LaTeX, which often makes both the original and ...
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  • 53k
4 votes
2 answers
329 views

Should I flag this question as spam?

At the moment there is the following question on the first page of the questions list: https://mathoverflow.net/questions/149697/can-anyone-tell-some-about-mobile-affiliate-programs-like-yeahmobi It ...
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  • 5,234
4 votes
2 answers
166 views

Are line breaks and lists supposed to work in comments?

Are line breaks and lists supposed to work in comments? If not, how was I supposed to write the following answer to my own question? "I have found two references. Indulal, G. (2007). Studies on the ...
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  • 129
4 votes
2 answers
249 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 ...
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  • 2,671
4 votes
2 answers
181 views

I deleted my post, but now want to view its source

I asked a question, but it was noted in the comments that it was a bit too elementary for this site, and it was suggested that I delete and then post it to Math.SE. I deleted it, and still have the ...
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  • 4,156
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 ...
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  • 9,996
4 votes
1 answer
194 views

Latex software used by MO

What is the software used by MO to "render" Latex? Is it an outside solution or a software that has been written specifically? Interesting is that I understand that it doesn't produce images but texts ...
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4 votes
1 answer
289 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?
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4 votes
1 answer
339 views

Are downvotes zero cost?

I've just gotten a downvote on an answer in main and it did not result in a decrease in my total rep. Is this normal?
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4 votes
1 answer
102 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 ...
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  • 25k
4 votes
2 answers
142 views

"Scope" of being blocked from asking

As you know well, when one attempts to delete a question that has already received an answer, the following message is displayed. "Repeated deletion of answered questions can result in your ...
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4 votes
1 answer
220 views

To contact moderator who responded for flag

Suppose I have raised a flag and moderator has responded for that flag, accepted/declined it. I am happy/not happy with their decision and would like to thank/explain the point to the moderator who ...
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4 votes
2 answers
239 views

Captions in figures in MO posts

When posting a figure in a question or answer, is there some way of puting a caption in the figure? When typing smt inside the brackets: [![enter image description here][1].... no caption ...
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4 votes
1 answer
312 views

Unbolding sans serif font in math mode

Is there a way to "unbold" the default text font (namely, sans serif) when written in math mode? Consider this example: Hello World$\qquad\textsf{Hello World}$ The first instance of "Hello World" is ...
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4 votes
1 answer
185 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 ...!)
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4 votes
1 answer
204 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 ...
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  • 6,709
4 votes
1 answer
199 views

Vanishing questions

For the last few days I've seen questions in the front page that appear much fainter than the rest. I had seen such things in other sites with questions or answers that were heavily downvoted, but ...
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4 votes
2 answers
86 views

How to tell who created a tag?

The "stats" section of a tag's page says how long the tag has existed, and the tag description history says who created the tag description. However, I don't see how to find who created the ...
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