Questions tagged [support]

A request for assistance with one of the site's features.

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2
votes
2answers
189 views

What should one do to remove his ban? [duplicate]

I was banned from posting questions a few days ago I read the post related to that and I want to get back my right to question. What things should I do to remove my ban and how does removing a ban ...
5
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1answer
79 views

Locking & deleting

Recently, a question was deleted while locked. The Help Center says, In most cases, a post which is "locked" cannot be modified in any way. Locking prevents... ...voting on the post (...
1
vote
1answer
147 views

A deleted question had 9 undelete votes and still stayed deleted. How could this happen?

I noted a question that had 9 undelete votes, yet it was still deleted, and it was deleted by 10 people. Logically one could expect that it requires 10 votes to undelete, but the question still ...
1
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1answer
67 views

How to put two functions in one brace?

This is what I want. Can you please help me?
9
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1answer
136 views

Is there a way to search for past HNQ?

Is there a way to search for past "Hot Network Questions"? It would be best if it included those that where removed by moderators for whatever reason) Given that there is a discussion about HNQ, and ...
4
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1answer
521 views

Slanted fractions in MathJax

Are slanted fractions supported in MathJax? None of the tricks shown here appear to work.
1
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0answers
40 views

alignment is not working.

I tried like this. \begin{align} y_{p} &= $\ \frac{1}{D^2+D} (8cos2x-4sinx)\\$ &= $\ \frac{1}{D^2+D} 8cos2x$ -$\ \frac{1}{D^2+D} 4sinx\\ $ &= $\ 8\frac{1}{-4+D}cos2x$ - $\ 4\...
2
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1answer
176 views

Notifying a moderator without flagging?

Does @Mod @Moderators etc work, or do I have to notify individually (...
1
vote
1answer
57 views

How to write 'x is not converging to 0'?

To write 'x converges to 0' I can use x\to 0 that produces $x\to 0$. But how do I write "x does not converge to 0'? I need to strike out $\to$. Well cancel package ...
4
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0answers
57 views

Do users receive notifications when their question is migrated?

The user is not registered in math.stack but they have a question on math.stack. Are they still notified by some actions on their post?
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1answer
103 views

Why can someone make his/her own question as favorite?

I think it makes no sense to allow a user to make his/her own question as favorite.
20
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3answers
526 views

A way to “watch” questions?

I apologize if this has come up before on meta, because it almost certainly has, but I couldn't find it. I frequently come across recently asked unanswered questions that I find interesting. However, ...
0
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2answers
222 views

Trying to add the abstract algebra tag

I'm just trying to add the abstract algebra tag to this old question I just bountied and the same user keeps rejecting it: Closed subscheme of a projective scheme determined by homogeneous ideals ...
2
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1answer
62 views

Is it possible to see how many users are online?

Is it possible to see how many users (especially experts) are online? or I should find it by checking user by user? It seem to me that nobody respond to my recent posts. Where can I find in my ...
6
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0answers
76 views

LaTex underbrace not displaying correctly

For some reason, this is what I'm seeing whenever an underbrace is supposed to be displayed on a post on this website: It looks like some sort of cropped out icon. It's weird because it doesn't ...
2
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0answers
61 views

Clarifying a factually incorrect case but editor opts for formatting change instead?

I am trying to edit this answer, which makes a claim about eigenvectors that is not true for all matrices. My edit was rejected. Instead, the editor followed up with a baffling formatting edit that ...
1
vote
1answer
45 views

Can I search by UserName AND Tag? Eg: All my posts about series-seq? [duplicate]

Can I search by UserName AND Tag? Eg: All my posts about series-seq? The search: [sequences-and-series] user:JackOfAll returns 30,000 results! Not right.
1
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1answer
62 views

How many variations of this grey background are there?

In Math Stack Exchange, it is common to find in an answer the question rewritten like this: Find the remainder when $2^{55}+1$ is divided by $33$ Then you find someone has hidden one of their ...
3
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0answers
45 views

What do you do when, in editing with MathJax, what you see in the preview is OK but the result is all messed up?

I tried to edit this answer. When the preview looked OK, I saved the edit, but the actual outcome was a mess. I tried various workarounds, but each time the result, despite a good preview, was worse ...
1
vote
1answer
66 views

Text within curly braces (mathjax).

Hi: I was defining a set with curly braces and put some words in between. For instance: {f: for all x, f < x}. If I enclose all between dollar signs (ds) the text will be poorly legible. Let's ...
3
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0answers
92 views

I am experiencing difficulty in the rendering of posts in the “review first posts queue.”

For the last three hours or so, when I see a post in the first post review queue, and click on it, I get the standard left top column menu "Home, questions, ..., appearing immediately above a post up ...
9
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2answers
324 views

Mathematical Alphanumerical capital I symbol

I'm looking to type this that I saw in a pdf document. However, when I google the mathematical alphanumerical symbols on Wikipedia, it has symbol styles for other letters, but I seems to be reserved....
-2
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1answer
86 views

Reputation numbers and the meaning of some items in my control panel.

[I know I can't control anything in that panel but I had to choose a name for it.] When I enter math.stackexchange.com I can see a page (I'll call it p1) with a bar on the top containing, on the right ...
-4
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1answer
59 views

How to write appropriate numbers in non of math, physics and chemistry sites in stackexchange? [closed]

in my question in my ell.stackexchange account, I want that look like user$20445$ instead of user20445. How can I do this? I am not comfortable with these inappropriate numbers.
10
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2answers
569 views

How to write math equation with auto numbers

I can write a math equation as below: \begin{equation} \begin{cases} 2x+y-3=0 .... (1) \\ 3x-5y+7=0 .... (2) \end{cases} \end{equation} In this example, the equation number is added manually, is it ...
3
votes
0answers
110 views

I am not allowed by you to post images but my reputation is over 300.

Hi: I have posted a post in math dot stackexcange dot com which includes an image and your site said that I could not post and image because I should have reputation above 10 to do that. But according ...
0
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0answers
58 views

Why the definitions of $P(n)$ and $C(n)$ go over the usual borders of the question-box and how to fix this issue?

When you observe this question: Primitive Pythagorean triples and the limit of two counting functions, is this limit equal to $0$ or not? you´ll understand what issues I am asking about how to fix. ...
2
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0answers
50 views

Need more specific details about policies regarding “review/close votes” [duplicate]

I have reviewed 700+ posts that were flagged to be closed, and I still don't fully understand the concept of what posts should or should not be closed. I have failed two audits in a week. Here is the ...
0
votes
1answer
75 views

How do I re-enable MathJax after turning it off?

I accidentally turned off MathJax on a comment so I could see the LaTex source, and I don't know how to turn it back on again. I turned it off by right clicking in my browser, but now when I right ...
9
votes
1answer
333 views

Advance knowledge of community deletions?

My answer to a question from 2016, https://math.stackexchange.com/questions/1792625/is-the-sine-of-a-transcendental-angle-transcendental-or-algebraic was downvoted a couple of hours ago, and then a ...
1
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0answers
81 views

Is it possible to store the good questions and answers of those users who has left or being removed by some reasons?

I want to ask a question to the moderators and the other higher authorities of Math Stack Exchange. Question: Is it possible to store the good questions and answers of those users who has left or ...
-13
votes
1answer
265 views

How many times we need to ask about closing quick questions of ✩new users✩ so that something is done about it?

I've searched old questions about the very short time for closing a question and unfortunately there are a lot. I didn't get all of them (IIRC there was like 10 other pages to check them all) but I ...
3
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0answers
131 views

Is it allowed to ask two close questions to proof verification in MSE with different solutions?

I asked a question before, but I failed the solution I made. Then I made an almost completely different attempt to eliminate all errors. I re-posted the question, since editing the old question will ...
4
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0answers
117 views

Why is Umbral tag removed?

The tag feature of Math Stack Exchange seems to be a nice feature but I don't understand why some are allowed and some aren't. For the example of umbral calculus, I tried the "umbral" tag. I can ...
2
votes
1answer
85 views

How do Community bounties work?

I recently answered a question with a bounty offered by "Community". How are such bounties awarded? Who decides which response gets the bounty?
1
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0answers
157 views

Need moderation

Does anyone knows how can I contact privately a moderator ? Many of my answers have been deleted for no reason. Even upvoted and accepted answers. Always by the same three members. I have flagged as ...
0
votes
1answer
74 views

Was asked to review a question that is more than 4 years old?

When reviewing the Close queue, I was asked (in earnest, not a test) about math.SE 987322, which is said to have been active last some 4 years back (?!). What is going on? (The question is OK in my ...
1
vote
1answer
55 views

PNG images on stack.imgur rendered incorrectly on Chrome

In this post on main, when the PNG file is shown implicitly (one has to open a new tab to see it), the color scheme seems to be reversed (bright $\leftrightarrow$ ...
1
vote
0answers
84 views

Enable syntax highlighting on Mathematics

Would it be possible to enable syntax highlighting (colour) for code blocks on the Mathematics site? Example from the Stack Overflow site:
3
votes
1answer
166 views

Mathjax format for combinatorials

Could someone direct me to a source that explains how to format combinatorial expressions, eg rCn in Mathjax? Like. n r thanks ralph
6
votes
1answer
842 views

Why I am not able to ask questions?

In my profile I have asked 6 questions of which no have down votes. 1 have 0 votes and 4 have 1 up votes and 1 have 2 up votes. I don't have asked poor quality questions (no down votes). It's also ...
5
votes
1answer
305 views

Is it possible to know the questions and answers by a no longer user?

When a user decides to delete their own account or when for some reason the account is deleted, then you can't see any information about the user, you can't click on the id "name" of the user. Is it ...
7
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0answers
118 views

Why can't I talk in the Pearl Dive Chat room?

Is Stack Exchange reputation different than regular? I have more than 20 reputation, but I don't seem to be allowed to talk in chat rooms.
10
votes
2answers
382 views

When should one not edit their own questions?

I am the type of person who unfortunately makes a lot of mistakes of the dumb kind with miscalculations. Sometimes I end up posting my questions containing those miscalculations. Is it ok to edit my ...
5
votes
0answers
145 views

Should I cross-post on MO?

About two months ago I asked this question on MSE and I have gotten no answers ever since. I also put some bounties on it and if I try to put more bounties on it I think I will lose some of my ...
5
votes
1answer
74 views

How to link a duplicate post to two different posts where there are answers?

Recently I've asked this question on MSE which has in fact two questions on it: Describe all $R$-modules of low order (up to isomorphism) Later, I realized that in two different posts there were ...
2
votes
1answer
44 views

Help with Chat and Question

I am trying to add a user to chat I made because I have a question about his answer he gave a while back to a specific question Problem Here The person's name is the last answer at the bottom. Do you ...
10
votes
1answer
411 views

Does reputation change if an answer gets deleted due to deletion of original post by vote(s)?

I recently found that the following post $\lim_{x\rightarrow +\infty}\sqrt{x}e^{-x}\left(\sum_{k=1}^{\infty}\frac{x^{k}}{k!\sqrt{k}}\right)$ was deleted by vote(s) and as a result my answer also got ...
3
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0answers
209 views

Question about a simultaneous “massive” downvote [duplicate]

17 simultaneous downvote (only on Question posted, I think): May I ask if there is some "systematic" reason ? Thanks
6
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1answer
70 views

Should I create a new question?

I forgot a minus sign everywhere and I made a question wrong. I asked The differential entropy cannot be negative for pdf in (0,1) but the question should have been positive instead of negative. The ...

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