New answers tagged

1 vote

What is the utility of the contest-math tag?

Yeah the value of this tag seems dubious. In principle any question could be asked in a contest, so it doesn't distinguish them from questions not tagged with it. But in practice one could collect ...
  • 144k
12 votes

Best advice for editing an attempted but incorrect proof?

The question is primarily about a verification of a solution. So you did just fine addressing the shortcomings of the OPs attempt (+1 from me). If the OP chooses to make another attempt, and includes ...
5 votes

Requests for Reopen & Undeletion Votes (volume 01/2022 - today)

Reopened Please consider reopening the following: Let $K=F_q(T)$ and $L$ be the spiliting field of the polynomial $p(x)=Tx+x^q+T^q x^{q^2}$ over $K$. Find the Galois group $\operatorname{Gal}(L/K)$. ...
  • 13.9k
12 votes

Can we stop marking any and all questions about math-jax as a duplicate of the "MathJax basic tutorial and quick reference"?

First of all, "let's make this place more like StackOverflow" is not a winning argument for me. I hope we'll avoid going full-in into the turbulent debate that could kick off, but I thought ...
23 votes

Are edits removing tags frowned upon?

Edits removing tags are not generally frowned on. If a question seems to you to be incorrectly tagged, edit it to correct the tags. This includes cases where you add new tags, remove existing tags, ...
2 votes

Vector accent with emphasized origin

I don't think you should do this usually. But here are some possibilities. $\stackrel{\bullet\!\to}{x}$ $\stackrel{\bullet\!\to}{X}$ $\stackrel{\bullet\!\to}{xy}$ $\overrightarrow{\smash{\stackrel{\...
  • 32.1k
4 votes

Left pointing vector accent

A standard command exists for this: \overleftarrow{PQ} for $\overleftarrow{PQ}$. In fact, \vec is defined to be a shorthand for <...
  • 32.1k
27 votes

About putting a -passed away- notice on some user’s profiles, but having prior approval from the close relatives

In the interest of transparency, the moderation team has discussed this issue in the past. For example, in February, it was brought to our attention that Christian Blatter passed on 31 May 2021. ...
  • 24.5k
2 votes

Vector accent with emphasized origin

$\newcommand{vvec}[1]{\overset{\tiny\mapsto}{#1}}$ $\newcommand{longvvec}[1]{\overset{\mapsto}{#1}}$ The following answer doesn't exactly meet the specifications, but it'll do for my purposes. It is ...
  • 10.6k
6 votes
Accepted

Is a math quiz worth overlooking the rules?

Regarding the fact that this is from an ongoing quiz, it does not fall under our plagiarism policy. We don't know if outside help is allowed or not, and we really have no way of finding out. ...
  • 26.2k
12 votes

Left pointing vector accent

Here's an alternative solution to Matthew's, based on this answer, which I was made aware of thanks to hardmath's comment. ...
  • 10.6k
13 votes

Is a math quiz worth overlooking the rules?

In my opinion, the question should be closed as 'too broad', as it asks multiple questions in one. It is effectively asking about 8 questions: there are 8 parts, and it is asking for each whether ...
  • 2,697
12 votes
Accepted

Left pointing vector accent

$\newcommand{\cev}[1]{\stackrel{\tiny\leftarrow}{\mathbf{#1}}}$ In general, you can put one thing on top of another using \stackrel{topthing}{bottomthing}. It's ...
5 votes

Are answers given by comments for low-quality questions against the principles stated with the EoQS?

I think answering LQ [Low-Quality] question in the comments goes against the goals of encouraging high-quality contributions here. [In general I think answering in the comments is bad for the site, ...
  • 16.5k
13 votes

Can I ask about teaching maths to young children?

There is now a Mathematics Educators Stack Exchange. Questions about mathematics education would be more on-topic there than here.
  • 6,412
3 votes

Are answers given by comments for low-quality questions against the principles stated with the EoQS?

At this point I think can be useful incorporate here, as an answer, some clarifications given by moderator Xander Henderson by comments and which, at the moment, I consider as a possible answer ...

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