Questions tagged [support]

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

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1answer
77 views

Expired bounty without a good answer?

My bounty is expired on my question: Name of the class of graphs obtained by deleting $\mathcal{Q}_d$ from $\mathcal{Q}_n$ - and I must award it within 24 hours. The only answer was down-voted (not by ...
-7
votes
1answer
210 views

Why can I not edit a comment after 5 minutes but can just replace it?

It is not possible to edit a comment after 5 minutes. But I can simply delete and reinsert the comment instead. Isn't that a bug? If someone adds a post in between then the order of the comments ...
28
votes
1answer
2k views

How to center a figure in the post?

In this post here, the figure appears on the left side. I tried to center the figure but I could not do so. Is there a way to center figures/text in a post?
10
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1answer
1k views

How can I draw a tree like this?

I want to draw the following tree in a question. But, I don't want to upload a picture. Can anyone tell me how to do it using MathJax?
19
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1answer
395 views

What can be used for checking on posts you downvoted/closed?

I have seen discussions where some users explicitly mentioned that they tend to go back to questions and answers they downvoted (or voted to close) and if they were sufficiently improved, they retract ...
2
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1answer
305 views

Backup, save, download all questions and answers for individual users

Why can't I run data queries on the Math Site?, How do I know I won't lose all my work in math.SE? say there are data dumps for math.se. But how do I download only the data for one user? This ...
16
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2answers
801 views

What to do about these trivial edits? (http → https)

I happened to look back at an old post of mine, and found that it was recently edited by a user with 1 reputation point. The edits were trivial — e.g., in https://math.stackexchange.com/posts/1057573/...
11
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1answer
353 views

Asking questions in a language other than English

I know there are some topics about it but I didn't find the the answered of my question. Imagine I want to ask an extremely precise question with a lot shades in one of all possible subjects on ...
10
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2answers
2k views

Tex math formula rendering not working on math.stackexchange.com but does work on other sites

I'm running Ubuntu 12.04. In both Chromium and Firefox (ver 25), math.stackexchange.com fails to render the math formulas. However, if I go to http://www.mathjax.org/, I see correctly rendered math ...
6
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2answers
779 views

LaTeX rendering delay

I experience a delay of about 5-10 seconds when I edit a question with math markup in https://math.stackexchange.com/. However, there is no such delay in https://mathoverflow.net/. Is there any ...
5
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4answers
178 views

How do I follow tags?

How do I follow particular tags for new questions asked with this tag?
3
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2answers
492 views

Hyper referencing in MathJax

I've Googled and searched mathstackexchange, but cannot find out how to insert a blue URL reference in a question or answer. Can you give me an example that I can edit it to look at the Latex code?
30
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1answer
480 views

MathJax CDN (cdn.mathjax.org) will be shutting down

The news that MathJax CDN shutting down on April 30, 2017 was recently brought to my attention. I have updated ChatJax to use the alternate server given in the MathJax post. It seems to work well, ...
14
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0answers
264 views

How to find old deleted posts of my own?

I recently noted that one of my questions on meta.MSE has been deleted. Seems like it has been a victim of the auto-deletion script. I usually keep improving the English my old posts. The same issue ...
10
votes
1answer
114 views

How to search in favorite questions?

As the number of my favorite questions increase, it becomes harder to find them in the list. Is there a way to search in my favorite questions? Also, would it be possible to search in another user's ...
10
votes
1answer
231 views

Searching comments

While looking over some material concerning "separable differential equations", I remembered a conversation I had (via comments) with another MSE user and wanted to find said conversation. I ...
10
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3answers
240 views

How do you typeset Dynkin-like diagrams with MathJax?

I just posted a question where I typeset the $E_6$, $E_7$, and $E_8$ Dynkin diagrams using MathJax. It looks alright to me, by I'm worried the alignment will look off to users viewing the post with a ...
6
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1answer
282 views

mathjax and opening in new tab

So, I almost always open a question in a new tab by right clicking the question title. But, if a title only has MathJax, I can't do this. For example: Are there unique solutions for $n=\sum_{j=1}^{...
3
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1answer
115 views

Related questions, post as one question?

Suppose for some period of time I'm working on a very specific subject. Naturally questions will arise along the way, one the one hand I'd feel uncomfortable with "flooding" MSE with questions all ...
2
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2answers
164 views

Flagging a question before it is edited

I have noticed over the past few months some inconsistency with certain flags. If I flag PSQ with the closeflag "offtopic: missing context" and then it is edited later to be okay, I have had both ...
27
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1answer
452 views

What's going on with the UI?

Is there a medium/long-term plan for a total revamp of the SE user interface? I noticed the list of recent badges was removed, and now the top bar is completely changed (access to the meta site link ...
26
votes
1answer
369 views

How to disable the helping duck from popping up?

This is a minor thing, but this duck popping up in the bottom-right corner whenever you do anything catches your attention, for nothing, this can get really annoying. Is there any way to disable it? ...
18
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2answers
617 views

Upvoted rather than flagged a comment; can it be undone?

I was trying to flag a comment in this answer, and messed up and upvoted it instead. I immediately tried to cancel the upvote to discover, somewhat to my surprise, that comment upvotes cannot be ...
12
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1answer
6k views

How to input matrices when posting questions at Math StackExchange? [duplicate]

I would like to post a question here in which I would like to insert a $2 \times 2$ matrix with entries $a$, $b$, $c$, and $d$, respectively, in the positions row 1 col. 1, row 1 col. 2, row 2 col 1, ...
12
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1answer
209 views

Choice of the question in the tour

In the tour an example question (and example answers) are shown. Ideally, that should be an example what is considered by the most of MSE community as a good question. The question which is ...
11
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1answer
178 views

What is the reason for this change of reputation? Reputation tab says “-2” and “removed”.

About an hour ago, my reputation was decreased by 2. I was curious, because I usually do not receive down-votes. However, when I got on my profile page, I was really confused. What does this "removed" ...
9
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2answers
976 views

Can I view all recent deletions, especially self-deleted questions?

A few minutes ago I put a comment on a question by https://math.stackexchange.com/users/50707/kalima asking where he found his problem. The problem was something along the lines of Diophantine $4 a^2 (...
9
votes
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 ...
8
votes
1answer
228 views

Rollback feature [duplicate]

What does the rollback feature do exactly? I am new to the site and have found a few options under the question I have recently posted, so found this rollback option intriguing, hence wanted to know ...
7
votes
3answers
650 views

Strange LaTeX fonts in OS/X Lion?

Since switching to OS/X Lion in two computers, math fonts on MSE look all wrong. Has anyone else noticed that? Am I mistaken in associating the change with the OS switch? Here's a quick formula: $\...
7
votes
2answers
295 views

Syntax to use \newcommand in a post

What is the syntax to use \newcommand in a post? I tried \$\newcommand{\foo}{1+1}\$ But this leave a blank line. Also, for severals ...
7
votes
2answers
5k views

Tex \implies symbol does not work

I needed couple of times to use the \implies symbol (which is basically a double lined right arrow). It works in Mathoverflow.net, but here it doesn't work: $\implies$. Any suggestions?
6
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3answers
1k views

How to view LaTeX source of equations?

How do you view the source of a question, to see how the LaTeX was specified as markup?
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
326 views

Low quality posts

Some time back,I was trying to ask a question.(Find the smallest positive integer $a$ such that 1971 divides $50^n+a.23^n$ for odd n.) This is what I got: "Oops! Your question couldn't be submitted ...
5
votes
1answer
188 views

How to remove downvote after the grace period expired?

I accidentally cast a downvote which I want to remove (Computing $\cos\frac{\pi}{7}$). I found about it too late to reverse my vote and am looking for help in what I can do. The Help desk was no ...
5
votes
1answer
1k views

How to write mathematical symbols such as $\sum_{i=n}^\mathbb{N}$ with indices below/above the $\sum$ [duplicate]

I want to write: $\cup_{n \in \mathbb{N}}$, and $\sum_{i=n}^\mathbb{N}$. But I want them the index to be above and below the symbol, not to the side, how do I fix this?
5
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0answers
126 views

LaTeX a jumbled mess when flagging as a duplicated

Is it normal for the LaTeX to be a jumbled mess when flagging as a duplicate? In case it isn't all systems, I am on a Linux system with Firefox 34.0.
4
votes
1answer
135 views

How to search among comments?

I remember someone mentioned about the meaning of "order" in first order language and second order language in a comment to one of my questions. But I searched with "first order" with my id "user:1281"...
4
votes
2answers
127 views

Access to question posts from previous years.

As far as I know, to search posts, say, from 2016, requires a tremendous amount of effort: From the "Newest" tab on main math.se, one can search up to five pages back, and then can choose up to 7 ...
4
votes
1answer
146 views

Why is the user number appended to links?

When I click on "link" under a question or an answer, the link that's produced ends with my user number. It works just as well if I remove that number (and the preceding slash). Why is this number ...
4
votes
2answers
115 views

Is there any way to subscribe to a thread so you get email notifications?

I asked a question without subscribing, but now I'm not being notified of answers. Is there any way to subscribe so that I'll get those notifications?
3
votes
1answer
265 views

Graphs in questions - tikz [duplicate]

Is it possible to make graphs in questions using tikz? Or must I insert it as a picture? I wanted to ask a question about graph theory. Thanks in advance!
3
votes
1answer
342 views

What latex packages are used this site?

What are the TeX packages automatically imported in the math.stackexchange site? And is there a way to include different packages in the response box? I ask because I would like to use certain ...
3
votes
3answers
7k views

How to markup expression using sigma notation for sum in MathJax [duplicate]

I have had trouble trying to express a sigma sum formula. Please do not think I have been lazy, I have been lazy, it is just I have up attempting to work it out after over 2 hours (when my actual ...
3
votes
1answer
120 views

Are there any plug-ins or software programs (preferably free) that you use to generate MathJax equations and edit them? [duplicate]

It's taking me a very long time to ask questions and respond on here, just because I'm having a hard time figuring out the syntax... Do any of you have suggestions?
3
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1answer
180 views

Renaming tags to plurals

(Edit by KennyTM: Just a reminder, please avoid retagging for pluralization before there is consensus, thanks.) I propose the following changes in tags: lie-algebra ===> lie-algebras riemann-surface ...
2
votes
1answer
91 views

How can I move from comment to chat?

When I need to discussion to some one about the problem in a detailed way, It seems better to do it in a chat-room instead of comments. But what is the usual way to do this.(I do this once some weeks ...
2
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3answers
372 views

How can I post some of the pages from google books preview?

I heard someone cannot view the page that I can view in Google books, But sometimes I may have problems inside the book, how can I paste the image or page from Google books to this website?
1
vote
1answer
344 views

Latex is not properly displayed

My OS is Win7, and I've tried Firefox, IE9, and Chrome. None of them can display properly the Latex code. Yet, the code on mathoverflow is displayed properly. Please help!

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