# All Questions

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### Isn't changing $\sum_x^y …$ to $\displaystyle \sum_x^y …$, 8 times, an improvement on an answer?

How come an edit was rejected if it improved the formating? Isn't changing $\sum_x^y...$ to $\displaystyle \sum_x^y...$, 8 times, an improvement on an answer ? (notice the above it's just an ...
98 views

### Can on Mathematics Stack Exchange be used vulgar words? (Don't panic, see the whole question…)

I recently asked on Mathematics Stack Exchange (and quickly deleted) a question named "How is used Chinese Dumbass Notation?" The question was upsetting to the public, so I decided to ask this ...
186 views

### How shall we handle big numbers / computer searching problems?

There are certain questions that ask about finding an object find certain property, usually some large number. Now to me it is on the edge of what this site is about, as the question is not really ...
14k views

### Sandbox for drafts of long, complex posts

This sandbox is intended for saving drafts of long, complex posts, especially posts whose composition takes a long time. It serves to localize to one thread the front-page "bumps" caused by edits to ...
680 views

### Should questions on (matrices) and (matrix-equations) be also tagged as (linear-algebra)?

Recently the following text was added to linear algebra tag-excerpt: For questions specifically concerning matrices, use the (matrices) tag. For questions specifically concerning matrix equations, ...
280 views

### Age, Profile, Kids asking questions!

I came across a post from a kid, it was this one: How to calculate the opposite of a number? Some members find this types of question to easy, lets call it "trivial", so they rated this question -1. ...
383 views

### Are questions about teaching Math to Secondary Level students fair game?

I'm currently teaching science at a secondary level in Thailand, but it's looking more and more like I'm going to have to take over for the Math teacher - who is leaving - next semester. This is ...
65 views

### Informally, would anyone be interested in starting a Polymath Projects type site? [closed]

See Wiki, blog, and actual site if you're not familiar with it. Mathematicians of all kinds have been supposedly coming together and using these to successfully solve or make real progress on a number ...
113 views

### Why did my post on Andrew Wiles get put on hold?

For context, I'm referring to this post: https://math.stackexchange.com/questions/3441209/was-andrew-wiles-a-child-prodigy My question was about Andrew Wiles' life and specifically his mathematical ...
59 views

### Will the editor ever be improved?

I think the current editor lacks several features like syntax highlighting, autocompletion and proper error and warning handling. For example CoCalc online latex editor is much better and has all of ...
42k views

### How to ask a good question.

How to ask a good question. This thread has advice on the following aspects of writing a good question on this site. Each item in this list links to an answer below about that specific aspect of ...
101 views

### I think I have a very important question, but should I ask it here on math-stack? [closed]

After, I've divulged into some critical thinking. I would want the readers to divulge just as deeply into this question. As it can be tricky and hard to understand. I believe I've found something ...
105 views

### Why the bracket(s) disappear? [closed]

I tried all the ways before asking the question here. I've tried all the ways I know. I'm having a problem like this. I'm looking for a way to transform equations written in MathJax into pictures in ...
10k views

### Requests for Reopen & Undeletion Votes (volume 07/2018 - today)

The purpose of this thread is to help focus the attention of the community on posts that may require reopen and undeletion votes. A request should be posted as an answer below (one request per answer)....
76 views

### Comments containing MathJax are not being displayed fully

Yesterday evening there were two posts in Meta - here, and here - concerning display problems. Simultaneously, on the main MSE site, I was noticing that comments containing MathJax could no longer be ...
183 views

### Is activity slowing down on MSE or only on “elementary set theory”?

It seems to me that there are not a lot of new questions on "elementary set theory"? Have new tags been created? which would explain this apparent evaporation...
62 views

### Sitewide update of closing GUI?

I was reviewing some questions when I noticed some GUI/text changes. Has there been any update to the site I'm not aware of? Where can I read more about what changed?
20k views

### List of Generalizations of Common Questions

Bill Dubuque raised an excellent point here: Coping with abstract duplicate questions. I suggest we use this question as a list of the generalized questions we create. I suggest we categorize these ...
53 views

### Deleted questions (or deleted user accounts)

Over the last year or two I have encountered a couple of times the situation that I answered a (possibly badly formulated) question on a topic I am expert in (the [gap] tag) as I felt that the ...
2k views

### Tag management 2019

New year, new tag management thread. Rules of the game are basically the same: Post your suggestion as an answer here if you see A particularly bad tag (a rule of thumb: «if I can't imagine a ...
75 views

### Could someone check the edit processing code ? I think there's a bug in it?

this post gave me trouble, I edited it, tapped the +2 for editing after page refreshing (I do that too much), played around putting my mobile browser into desktop site mode (another thing I do too ...
37 views

### Fredhoim Integral [closed]

For some parameter-distributed system/unlimited dimensional system, why is it possible to describe the relationship between input signal $u(t)$ and controlled signal $y(t)$ in the form of Fredhoim ...
51 views

### Display issue on question without any changes being made

This answer previously displayed properly, and hasn't been edited since. I.e. it looked fine yesterday when I provided the bounty. Also, compare how it appears in the revisions, this is what it looked ...
99 views

### Proper use of italics when asking a question.

What are the pros/cons of using two asterisks vs using mathjax when trying to italicize something in a question? Thanks in advance.
550 views

### List of commonly misspelled words

Judging by some of the posts on meta1 and comments posted there it seems that there are users who try to improve the posts by correcting spelling mistakes. Of course, there are other ways to improve ...
831 views

### What was wrong with my answer to “what does $0 \ne 1$ mean”?

A while back, I came across this question. At the time, the question read: What is $0 \neq 1$ in the context of Algebraic Axioms? In this wiki link, the author included $0 \neq 1$ as the axiom ...
42 views

### Earning a badge [duplicate]

Is it normal that I've completed the requirements (MSE acknowledges it) of a badge but didn't receive it? Or this is just a bug? Here is how it looks like in my profile: The thing is the number of ...
164 views

### Would my mini math web platform be useful to anyone else?

(I apologize if this is the wrong forum for this, but it seemed more appropriate than the main math site...) So I got sick of keeping all my notes spread across Mathematica and vi, and wrote a tiny ...
23 views

### Factor Analysis Rotational effects on RMSEA? [closed]

Hi there I have some data which I'm doing EFA on. I'm experimenting with different rotations; none, varimax and oblimin. When I change the rotation the correlation matrices change as expected, but ...
346 views

### What is voting fraud?

So I just noticed that today I had a rather large gain in reputation, followed by a subsequent large loss of reputation. When I click on the appropriate tab by my profile, it says "Serial voting was ...
57 views

### need help on how to re-post an existing question that contains too many questions

I want to repost part of my question: Questions concerning quotient spaces specifically collapsing a set to a point. One of the commenter stated that I have included like ten questions in a single ...
100 views

### Trouble conveying question

In one of my recent questions, Embedding manifolds in a $3$-torus. Fact or fiction?, a commenter said that what I wrote "makes little sense." I am having trouble putting myself in the commenter's ...
202 views

### How can I write the left and right sides of the equation in different sizes?

I hope I'm at the right place to write my question.Because the mathjax tag exists at both stackoverflow.comand tex.stackexchange.com. I want to write this equation (This is just an example) G(x_1,...
1k views

### Is it appropriate to close every question that doesn't show efforts and/or lacks of context?

Yesterday this question was asked: Finding solutions to $2^x+17=y^2$, then it was closed and finally it was reopened. My concern is about if every question showing no effort or lacking of context ...
353 views

### Asking a question which is pretty much a dupe

I want to ask a question, but it is basically a duplicate of a (5 year old) question already asked here and that question doesn't have an answer. Morally, any good answer to that question would be an ...
325 views

### How to see questions time line?

How can I see question timeline? For example, when it is reviewed when it get an answer when it is vote up. And if I can't see it yet in which reputation I can? Because when I do it it doesn't work.
2k views

### Is this knee-jerk downvoting of anything related to $1+2+3+… = -1/12$, or does this question actually need improvement?

This question of mine is currently sitting at a score of -2, but no one left any comments on how it can be improved. I wonder if some others could weigh in with any suggestions for how the question ...
49 views

### Question that is clearly not a duplicate linked to my question, marking it as duplicate. [duplicate]

I asked a question yesterday: Coupon collector's problem: mean and variance in number of coupons to be collected to complete a set This asks for the mean and variance of the coupon collector's ...
616 views

### What should I do when my question is marked duplicate?

Is it advised to delete the question? Or should I just leave it alone?
929k views

### MathJax basic tutorial and quick reference

(Deutsch: MathJax: LaTeX Basic Tutorial und Referenz) To see how any formula was written in any question or answer, including this one, right-click on the expression it and choose "Show Math As > TeX ...
92 views

### What advice do you give to someone who's written an incomplete question below any understanding?

It happened recently and again today (post now deleted) that someone submitted a question with so little content that it was close to impossible to guess anything from it. We all know that by the ...
650 views

### A question bouncing in and out of the delete graveyard

Are there a finite number of trees with $k$ leaves and no vertices of degree $2$? In the 35 days or so since this question was asked, it has been closed, deleted twice, undeleted twice, and is ...
413 views

### Editing (and creating) seemingly useless tags

In the past few days I have noticed a certain user editing tag information for freshly created tags that seem completely useless, for example this one. This seems like a case of badge-hunting to me. ...
911 views

### Deduction in rep for downvoting

If I downvote someone's answer with detail in the comment as to why, then why is my reputation deducted ( by -1). I am helping the community. Reputation is hard to earn, and if it's deducted every ...
815 views

### Isn't rewarding question askers taking away from downvotes?

Recently there was a change made that gives question askers ten points for each up-vote. Doesn't this reduce the impact of down votes? A person can get 5 upvotes and 4 downvotes - with a reputation ...
321 views

### How can I write backslash in MathJax?

I want to write following in MathJax: L(A)\L(B) When I type following: $L(A)\ L(B)$ It prints: $L(A)\ L(B)$ When I type ...
107 views

### Why taking off points for downvoting? [duplicate]

So this question was already answered. I was given an option and explain why my question is different, so why I am not happy with the answers already provided. Here is my clarification. My question ...
129 views

### Progressive deduction in rep for downvoting

I asked a question why should I lose rep points when I downvote what I consider a wrong (or otherwise inadequate) answer. My question was donwvoted with the usual answer, ooh no, how would we stop ...