# All Questions

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60 views

There is a new thing on Math Stack, when I ask a question, they now ask me to review my question. Why this new functionality ? Since I take time to write my questions, I don't understand why did they ...
55 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.
24 views

### Double notification when pinged on a followed post

StackExchange recently implemented a feature that allows users to "follow" a post in the sense that they get notified on every edit/comment below that post, as if they were the post owners. I find ...
74 views

### Does MathJax really not recognize cosec?

I tried to get the trig function cosec in MathJax, but it comes out as $\cosec$. In contrast, it works perfectly well for sec: $\sec$. Of course, one can always use \operatorname{cosec} as a ...
320 views

### Autofilters for Hot Network Questions

The SE software allows us to request certain regular expressions be automatically excluded from the Hot Network Questions. I was asked by the CMs to make this post on the meta, and include the list. ...
96 views

Why doesn't site allow users to see the total numbers of up-votes and down-votes respectively? Why is it just show us the difference? I know that votes are intentionally anonymous. But revealing just ...
272 views

### Is there any plan to bring dark mode to MSE as in the case of Stack Overflow?

Recently, dark mode has been applied on https://stackoverflow.com. The result is fantastic to me. Is there any plan to bring it to MSE?
49 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 ...
108 views

### Should we reopen and reclose duplicates closed for other reasons?

Prove that $P+Q$ is a projection matrix only when $PQ=QP=0$, and $P-Q$ only when $PQ=QP=Q$. was closed with reason “Needs details or clarity”. I now found that it was a duplicate of When ...
164 views

### People answering to bounty just for the prize

A couple of times it happened to me that I bountied a question. If nobody has answered, the day before the expire date of the bounty some guy answers with some stupid answer, just to take the bounty ...
92 views

### What tag to use

Question: Title: $x^x(\ln(x)+1)=b$ Body: I want to solve for $x$ and have tried solving it myself and used many algebraic calculators including wolfram alpha, and I could not get any answer from ...
62 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 ...
49 views

### What to do when one's question got closed? [duplicate]

I was simply wondering what one should do when one's question got closed. I asked question earlier about exercise in a book I was self-studying (Showing that compatible germs are the image of a ...
34 views

### How can a question marked as a favourite not appear in my list of favourites?

I marked this question as a favourite, and indeed the question shows a yellow star when I access it, but it doesn't appear in my list of favourites. How can this happen?
428 views

### How to tell a user that his/her actions are inappropriate (and should I)

Recently one of my questions got a downvote and was flagged for closure as unclear. This was an unpleasant surprise, since I saw nothing wrong with the question; moreover, no comments were made about ...
57 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 ...
140 views

### Why my question was closed?

Can anyone enlighten me to why this question: ''Why the columns of a square matrix are linearly independent iff the rows are linearly independent?'' got closed? BTW: it's not a duplicate. I think it'...
65 views

My problem is similar to the one given as problem 1 here. The responses it got did not resolve the matter. I have not received a notification in my inbox for either this comment nor this comment on ...
83 views

### spurious slash causes \, to be misinterpreted

Note: In the submitted version of the question, the comma is no longer being displayed – but when I edit the question, it’s displayed again in the preview. I encountered a strange bug (at least ...
43 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.
247 views

### etiquette related to question posts or comments in which the asker (commenter) writes as though they are texting or chatting?

I'm concerned about posts like the following: $\langle$ Problem statement appears here$\rangle$ idk - u plz hlp me?!!! I find that sort of question to be really rude; though probably not ...
62 views

### How do you type Mathjax faster?

I am notorious for asking questions, but I would like to increase my answers rapport. I find it mainly that sometimes the questions on my level of math are taken up by higher math users who can type ...
821 views

I often see questions completely answered in comments. Sometimes these are elaborate comments or even sequences of comments; in that case I suggest to the commenter that they should post their comment ...
30 views

### Why doesn’t the system tell you the character limit while writing a question. [duplicate]

Earlier, whenever I was about to write a post, when I was done with the title, the system would tell me that I have overshot my character limit. This was quite helpful. But after the last update, it ...
60 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 ...
43 views

### MathJax: Bottom entries in a matrix cut off

Has there been any sort of MathJax update? In this answer I see the denominators in the bottom two entries of this matrix are partially cut off. I do not remember seeing this behavior before. I just ...
43 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 ...
114 views

### Math exchange's policies for online exams and COVID-19 [closed]

Due to the COVID-19 outbreak, almost all US colleges and universities are going fully online for the remainder of the Spring 2020 semester. This includes online or take home final exams in classes ...
61 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 ...
38 views

### Record for the most useful asked questions? [duplicate]

Is there a record for the most useful asked questions like number wise, not the one with the most upvotes? I have gotten the notable, and popular questions a couple of times. I am trying to aim for ...
88 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 ...
58 views

### Feature Request: Why can't we favorite answers? [duplicate]

I have a feature request why can't we favorite answers? Would it be a problem?
316 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....
80 views

### Might I ever get Question Limit Banned?

I have a hefty number of questions, some very popular and others growing. Do I ever need to fear a question ban on this particular site?
156 views

### Help - I keep getting banned for no reason

I had got banned around a week ago for one question which had got downvoted a lot. I had expressed my displeasure at that ban in a previous post on this site. The main issue with the downvoted ...
122 views

### Button for citation helper in the editor

The icon for citation helper in the editor Window used to be hyperlink in a speech bubble, see here: Let's get MathOverflow's “Citation Helper” here, too! At the moment the icon is a letter B - very ...
85 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 ...
401 views

### Corona virus, educational institutions closures… [closed]

Due to the spreading of Corona, more an more schools as well as higher educational institutions are closing. There is a change of more questions coming to this website from students who now have to do ...
53 views

### Reopen a question that's been closed with incorrect reason [duplicate]

I have a question from this book section 1.2 question 1: Solve parameter representation $x_1(\tau),x_2(\tau)$ for $x_2^2=x_1^2+x_1^3$. Somehow it was closed for details or clarity. However, if you ...
56 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.
314 views

### Quoted paragraph gets white

Recently, I found that when I use > to quote a paragraph, the color is now white or some kind of silver. Personally, I think that the yellow is more ease to the ...
108 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 ...
312 views

### Edit-Undelete versus new post…

Suppose I post an answer that gets a few upvotes and a few downvotes. Then I find the answer is totally wrong so I delete it. The next day I see a correct solution to the problem. My impression is ...
90 views

### Why is the linked question considered “off-topic”?

I came across this question today, and it has apparently been closed for being off-topic. Could someone explain why this is? I could totally have asked such a question, and would never have forseen it ...
99 views

### Question on why I was temporarily barred from asking questions? [duplicate]

I'm new here. I logged in to my account a few minutes ago to ask a question and found out that I cant, because 'my questions hadn't been well received by the committee'. I checked my previous ...
36 views

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. ...
53 views

### Simultaneous editing

Sometimes I see a question on the main site which I feel could be improved on and when I click the edit button it says something along the lines of "this question is already being edited by someone ...