# All Questions

7,720 questions
1answer
241 views

### Word requests okay?

I wanted to ask: Is there a mathematical term for completing a collection of sets with the operations of intersection, union, and complement? In other words, all the regions of a Venn diagram of ...
1answer
1k views

### Kafkaesque question closure(s)

This question seems about to be closed (4 votes currently), because it is (supposedly) "not about math as defined in the help center." Can anyone explain this to me (if there is an explanation)? I ...
0answers
68 views

### Firefox plugin to show edit and preview panels side by side

I have installed a Firefox plugin many years ago that used Greasemonkey to allow to show editor and previewer panels side by side on MathExchange (maybe other Exchanges as well). After I reset ...
1answer
76 views

### Editing another users 'unclear what you are asking' question

General question: if a question by another user is put on hold by moderators because it is 'unclear what you are asking' is it ok to edit it to make it clear what is being asked? This came up with ...
1answer
54 views

### How can we resize a graph?

Is it possible to resize a graph in a post? For example, I wanted to resize this one, because the original size looks much better.
1answer
131 views

### Do I lose reputation if I answer a downvoted question?

Do I lose reputation if I am answering a downvoted question?
1answer
641 views

### showing gratitude for a very helpful / detailed answer?

I know that this is a Q&A forum, but sometimes there are answers, where I feel like it takes a lot of effort and work(?) to write a detailed answer, especially if there is confusion which needs ...
1answer
197 views

### How to handle a list of learning resources

In some of my answers on mathematics stackexchange, I use generating functions. I often feel this is a bit awkward because many of the readers, often including the original poster, are not familiar ...
0answers
284 views

### Duplicate question with a not satisfying answer

What should I do if I have a question that's been already asked and answered years ago but I don't get the answer? Should I ask a new question and link the old one?
0answers
719 views

### Is the mathematical German tag needed?

I recently created a new tag: mathematical-german. Other than English, the main languages in which mathematics is published are French, German and Russian. We have a tag mathematical-french already. ...
1answer
137 views

### Are questions about professional mathematician culture and language on-topic?

I want to ask this questions: What points mathematicians need in an explanation about red herring names? This question seems to be off-topic in Math Edu, since the site is more about teachers ...
1answer
124 views

### MathJax on simple numbers, the HNQ and a game of 21

In question titles, should "simple numbers" – those numbers that stand on their own and which do not require any $\TeX$ symbols to express cleanly – be put into MathJax anyway? Examples ...
1answer
323 views

### tqft or topological-quantum-field-theory? Which one to keep?

A fairly new member of our MSE community, namely the user Andrews, started to reshape our own physical questions fundamentally basically by retagging them in an appropriate manner. Another recently ...
1answer
100 views

### Mysterious space added in matrix-like environments

Here are two screenshots taken from 3D rotation matrix with zero determinant and Simplify this expression for the relative condition number of $f(x,y) := [ x^y, x + y ]^T$. It can be seen that an ...
1answer
218 views

### Strange demands for re-adding context

I'm unsure about the validity of the closure my question All integers from 1 to 73 are recorded in a sequence such that each number "This question is perfectly clear and requires no additional ...
1answer
250 views

### Some ideas on tags about physical field theory

Update: For (1), I have edited info of field-theory. For (2), moderator Alexander Gruber♦ has created a synonym and contributor YuiTo Cheng improved info of tqft. For (3), contributor YuiTo Cheng ...
0answers
390 views

2answers
466 views

### Answering a Low-Quality Question with a Community Wiki Answer?

As I'm sure we're all aware, answering a low quality/low effort question that, according to the community standards, ought to be closed, is frowned upon. Reasons cited tend to include It encourages ...
1answer
95 views

### Accepting an answer although I did not understand the solution, is it ok?

I sometimes have lost interest in the question or do not want to think through every Detail of an answer of somebody. Since I don't want to be rude I accept an answer so other People do not waste ...
1answer
67 views

### Finding who has linked to an answer of mine

I just received three upvotes for a seven-year-old answer. Obviously somebody has recently linked to it in a question or answer. Is there any way for me to find this link? I'm curious!
1answer
90 views

### Master thesis: asking people to check the math

My academic advisor quit and the project is now discontinued. Yet, I'm still registered and I intend to hand in the thesis soon. The last time my advisor checked my work was a while ago since then I ...
1answer
113 views

### New user. Reason for downvotes on question?

I have a question about my Mathematics Stack Exchange post: Prove the following relation (using Fourier analysis) This is my first time on Mathematics Stack Exchange. I didn't think my question was ...
0answers
88 views

### Is there a way to download the question like a pdf/latex?

I saw some very nice proofs online, and it seems that the only way I can get it in collection was to favorite the question. However, is there a way to download the question/posts or specific answer ...
1answer
133 views

### Why is the question too broad?

Here's a recent question closed for being too broad. It seems a little personal-advice-y, but too broad? It seems like a reasonably straightforward book request. Is it because the question contains 4 ...
0answers
91 views

### What has happended to MathJax?

I recently noticed that the quality of equations rendered in MathJax has deteriorated quite a bit. In particular, I would point the square root and integral operations. Am I missing something here? Am ...
2answers
447 views

### Self-deletion of question while typing answer

The meta question Not actually a question, just a rant! has inspired me to ask for what an answerer can do in case of self-deletion by the question asker while the answerer is typing the answer. ...
1answer
28 views

### Question Score Mismatch in Close Review

I've just ran into a question during this Close review. When I clicked the question score, I saw it has five upvotes with zero downvotes. What's the reason for that?
0answers
39 views

### Linked questions page wrongly posts notifications for questions with new activity

Linked questions pages (e.g. this one) wrongly receive notifications of all new questions posted on the site. This is distracting.
0answers
648 views

### What about this question earned some quantity of downvotes?

I'm new to the Math StackExchange, but I am puzzled by the downvotes on this question: Am I properly simplifying this geometric progression? I tried to be as clear as possible, to show that I had ...
0answers
36 views

### MathJax formatting on mobile site.

I've noticed lately that MathJax has been paragraphing its output excessively sometimes on the mobile site. I don't know how to describe it, so here is a screenshot: Please help :)
1answer
51 views

### What to do about comments with broken MathJax?

Sometimes one comes across content that has MathJax that does not render correctly. When it is a post one can edit it. But what to do about comments that have MathJax that does not render correctly ...
1answer
118 views

### Having a check sign for questions addressed but not answered?

Recently I've been seeing some questions where the user wants people to check their solution or proof, and there's usually one comment that says "that's correct" and nothing else (no answers, etc). ...
0answers
443 views

### Why can’t I participate in the discussion or contact the participants?

I found the following question and associated thread interesting, and I’d like to contribute: Product rule for matrix-valued functions and Differentiability of matrix multiplication. However, I have ...
1answer
1k views

### Where is the blacklist on Math.StackExchange?

A user is being abusive to me. He is adding comments that have no relation with my question, and is attacking me in Chinese. Maybe moderators do not understand Chinese, so nobody is deleting them. In ...
1answer
152 views

### Is the decision problems tag needed?

I recently created a new tag: decision-problems. I do believe that this tag is indeed needed because its lack does lead to a lot of somewhat erroneously or misleadingly tagged questions. For example, ...
1answer
201 views

### Reviewing an answer that says the same thing as a comment?

I was reviewing the low-quality posts queue, and came across this answer. It's a hint answer that very closely resembles a comment made a minute prior under the question. Should I recommend deletion? ...
0answers
33 views

### Bounty question not visible on *Featured* tab

I offered bounty on one of my own questions. I was expecting it to be on the Fetaured tab. But it fails to show up there. As per the FAQ a question with a bounty is supposed to be visible there. Here ...
2answers
1k views

### Does the reputation system encourage easy answers and low quality questions?

First of all, I need to say that I do not intend to start a controversial topic challenging the community. I'm trying to find a solution and understand the nature of MSE better to see whether it's the ...
2answers
161 views

### What a good title should be?

In guidance How to ask a good question. it states: Make your title your question Use your title to convey as much information about your question as possible. Since the tags already convey the ...
2answers
419 views

### About “question deleted by user”

I have answered geometry question about 3 times, each time got some situation. It is either an on-going competition question, this happens twice,and I was told after my answer has been there for a ...
1answer
36 views

### What to do when you answered a question and after the question is edit? [duplicate]

What to do when you answered a question and after some time the question is edit adding more information or changing the question so your answered now has nothing to do with the new question? ...
1answer
337 views

### On the correct procedure after answering a quadruplicate question

Okay, so I just answered this question, and after answering read the "related" section and noticed that the answer had already been asked several times: 1, 2, 3, 4. Now I am not sure what to do, ...

15 30 50 per page