# Questions tagged [discussion]

The question you're asking is designed to solicit opinions or best-practices on a particular topic, with the goal of reaching community consensus.

318
questions with no upvoted or accepted answers

1
vote

0
answers

150
views

### Ask for help in proofreading a book

In case, one had written a book manuscript, but it was not possible to find, by other means, proofreaders mathematically knowledgeable enough to proofread the manuscript, would it be appropriate to ...

1
vote

0
answers

80
views

### Display of differences between revisions

Being impressed by the visualisation of differences between revisions on this site (and MSE as well) I cannot resist to ask: what javascript libraries are used for this? I know that MathJax is used to ...

1
vote

0
answers

213
views

### What do you see to upvote an answer?

Question is as in the title?
What makes you to up vote an answer?
Most of my answers are with $0$ upvotes. I am trying to understand the reason. One of the reasons could be that mathematics that I ...

1
vote

0
answers

154
views

### Migrated to MSE, did not get enough attention. What to do?

This question is migrated to MSE from MO.
It did not get enough attention in MSE even after offering bounty.
Another question with a bounty with not even a single comment.
I think topics like ...

1
vote

0
answers

218
views

### Area 51 Proposal: Math Challenges

On September 1st, I started a proposal on Area 51, for users to share, discuss and answer mathematical challenges that they have. I did this because I felt that these types of problems have no place ...

1
vote

0
answers

180
views

### Is MathOverflow missing a tag for ODEs?

TL;DR: Is there a tag which is intended (only) for ordinary differential equations? If not, should there be one?
The situation with the tags related to ODEs seems a bit unclear to me. AFAICT there is ...

1
vote

0
answers

81
views

### Does it make sense to have both "surfaces" and "curves-and-surfaces" tags?

I have noticed that there currently exist tags surfaces (with description "A surface is a two-dimensional topological manifold. The term can also be used to describe a smooth surface, depending on the ...

1
vote

0
answers

79
views

### Accepting an answer to a closed question

To my surprise I discovered that I can accept an answer to my question that has been closed.
I am not sure whether it is "good" or "bad", my question is whether it is an intended feature and if yes, ...

1
vote

0
answers

71
views

### Tagging Answers?

Simple question: should the tagging of a question cover answers?
Suppose I asked a question about a mathematical problem and in the answers contained for example:
pointers to literature
algorithms
...

1
vote

0
answers

113
views

### What should I do if I want to ask an almost duplicate question?

There already exists a question very like the one I want to ask, with a very partial answer by the OP. I want to ask the same question but restricted to a special case, for which I hope more can be ...

1
vote

0
answers

253
views

### Migration site list lacks entries

The question What is the integral of temperature over space called? obviously belongs elsewhere. Most probably the proper place is physics.SE, but in any case not here on meta, not on math.SE, and not ...

1
vote

0
answers

43
views

### Should I accept an answer to the "concrete" part of my question and ask another one about the "vague part"?

Suppose I am trying to prove a certain statement $S$ and find that a certain plausible statement $T$ implies $S$. However, I don't think that they are equivalent, and so there are possibly other ...

1
vote

0
answers

69
views

### Can one un-(vote to close) a question without voting to reopen?

Scenario (and it actually happened): I was first to vote to close a question as too broad; OP modified the question in such way that my objection did not apply anymore; this modification resulted in ...

1
vote

0
answers

193
views

### Is this combinatorial semigroup theory question suitable for MO?

The question is here.
For convenience:
Let $S=M_n(\mathbb{Z}_2)$. Let $D^{(n)}_2$ be the matrices in the rank $2$ $\mathcal{D}$-class of $S$. Find
$$N_n=\left\lvert\left\{\begin{array}
\, e &...

1
vote

0
answers

99
views

### Formatting: Diacritics outside of Formulas

I recently tried to write the name of the French mathematician Gâteaux in the correct way, i.e. with a circumflex over the first 'a'.
Using MathJax formatting inside inline math or in formula, that ...

1
vote

0
answers

80
views

### Locating a question on zero-one vectors in the kernel of a matrix

I remember there was a question posted to MO about maybe two months ago or so which was, essentially, about the existence of zero-one vectors in the kernel of some matrix. Can anybody help me to ...

1
vote

0
answers

188
views

### The tags (transcendence) and (transcendental-number-theory)

There exist tags transcendence and transcend.-number-theory (probably shortened from transcendental number theory to fit 25 characters limit for the tag name). At the moment, the tag-info is empty ...

1
vote

0
answers

91
views

### How to Ask Multiple Very Specific Questions About New Applications of an Old Theorem

This question is a different flavor of this one, the difference being, that I am not looking for help in understanding something.
My "problem" is, that while ramping up my knowledge about the ...

1
vote

0
answers

256
views

### Can I ask a question here whose answer I did not get at math.stackexchange?

I have asked a question about solution of heat equation at math.stackexchange but no one answered. I think may be the question is too professional to be asked from learners. As this platform is for ...

1
vote

0
answers

295
views

### Are we ready for a MathOverflow Overlay?

As varied as my participation in MathOverflow has been, I seem to gravitate towards number-theoretic issues involving $\phi$ and $\sigma$. I am considering writing an overlay article. This would be ...

1
vote

0
answers

591
views

### Algebraic Geometry Chat Room

At the request of Denis Nardin, I have started an MO algebraic geometry chat room at http://chat.stackexchange.com/rooms/23540/algebraic-geometry. For now I am the room owner, but I am happy to let ...

1
vote

0
answers

477
views

### Reference Requests: Good Ways and Bad Ways

I would like to know of types of bad examples of MathOverflow questions that are tantamount to reference requests. I can think of two:
a) A reference request for something that is properly outside ...

1
vote

0
answers

247
views

### Preferred Conciseness of Contributions

This is a followup question to Appropriate Reaction to a Failed Reference Request on MO related to Reference Request for Integer factorization with LP/ILP
I'm about to prepare an answer that ...

1
vote

0
answers

129
views

### Is it appropriate to ask for references and point to a blog with the same question

I wonder if the community would find it appropriate if I ask a question like
"
Is this or that known? It would be interesting for this and that reason. For details see our blog "blah" where we ask ...

1
vote

0
answers

178
views

### soft-question tag for discussing mathematical best-practices

I asked a question about where people could store slides for future reference. As a discussion of best-practices in the Mathematical profession, I thought it was appropriate for the soft-question tag ...

1
vote

0
answers

96
views

### Too large font in the question names

Previously much more questions could fit one page in the question list. Currently the font is giant and the information is much less dense.

0
votes

0
answers

78
views

### Questions arising from research vs questions of interest to research mathematicians

I've noticed two phenomenon about Mathoverflow:
Most questions that arise in my research would make "bad" MO questions and would be poorly received.
There are several questions that make &...

0
votes

0
answers

132
views

### Announcement: A stacks project for category theory

I'm releasing today The Clowder Project, a tag-based wiki and reference for category theory powered by Gerby.
I plan to eventually make it into a comprehensive resource for category theory, in the ...

0
votes

0
answers

175
views

### Incentivizing ‘bad’ questions

As a 5+ year member of MO, I remember the old days when upvotes on questions only netted you 5 points as opposed to the current 10.
While I was generally glad to see good questions being rewarded in a ...

0
votes

0
answers

207
views

### Is asking for the status of Vandiver's conjecture suitable for MO?

I wonder what the current status of Vandiver's conjecture in number theory is? An internet search revealed the paper "Vandiver's conjecture via K-theory" by Alexander Stolin from 2020 on the ...

0
votes

0
answers

122
views

### Should the dots used in lambda-calculus notation be typographically treated the way binary relation and binary operation symbols are?

Within this question we find the notation $\lambda f . \lambda g . \lambda x.f(g\ x)$, and that causes me to wonder about a point of LaTeX and MathJax usage.
The code ...

0
votes

0
answers

210
views

### May I Offer Money to People Who Answer My Question on MathOverflow?

Erdos and others have offered prize money to people who answered their questions.
May I offer money to people who answer my questions on MathOverFlow?

0
votes

0
answers

121
views

### Is deleting posts a good practice?

In principle, MO posts can be cited in papers; on the other hand, MO posts get deleted sometimes. There is a risk, then, of referring a MO post which no longer exists. Is deleting posts a good ...

0
votes

0
answers

192
views

### Difference between Mathematics SE and MathOverflow

If I post a question that I invented myself on Mathematics SE, I receive comments like "did you do homework?" and, eventually, "why do you ask if you know?". Fair enough. It seems ...

0
votes

0
answers

128
views

### Gaining points for posting

How do I earn 50 points to comment if I am not allowed to comment or post? So my problem is as described as far you can see.

0
votes

0
answers

133
views

### Is this question about partition numbers too broad/vague?

Here's my proposed question (edit: now posted) (edit 2: posted version now edited):
I have found an algorithm for counting partitions, and I've been able to express it into a mathematical formula, $P(...

0
votes

0
answers

164
views

### Asking if a post about a mathematical characterization of gravitational geons can be potentially interesting for the main site MathOverflow

I would like to ask about if a question about the following subject can be potentially interesting and on topic on MathOverflow. I would like to ask on the main site of MathOverflow about the ...

0
votes

0
answers

100
views

### Hinting votes for CW contributions

I would like to learn about opinions about visually indicating votes for contributions to community wiki; what I have in mind is something analogous to the green button in the "menue-line" ...

0
votes

0
answers

128
views

### Is this partial differential equation on topic for Mathoverflow?

I came across this differential equation. I'm not sure if it's research level, but I think it might be:
$$u\frac{\partial}{\partial u}\left(u\frac{\partial f}{\partial u}\right) + v\frac{\partial}{\...

0
votes

0
answers

243
views

### "overestimates topoi" and research level

I wonder now and then, why this question is still open
Did Grothendieck overestimate topoi?
Usually, MO's members tend to be very strict about what is and what isn't a good question.
But why is this ...

0
votes

0
answers

230
views

### Discouraging (Some) Upvotes

I'm tagging this as "discussion", not as a feature request, because I am quite agnostic about whether it's a good idea.
That said: My subjective impression is that lately a lot of very bad/...

0
votes

0
answers

80
views

### Can I ask for advice or opinions about the choice of a variant of a theory?

Basically, I have 2 versions of a theory. This is like having two competing theories of complex numbers, one where $i^2=-1$ and the other where $j^2=1$ (hyperbolic numbers) or extending reals with $+\...

0
votes

0
answers

672
views

### Why did my profile picture disappear?

I discovered few days ago that my profile picture is gone, had to reupload it.
Did anybody else encounter this? Do you know the reason?

0
votes

0
answers

187
views

### I want to answer a closed question

Please reopen this question:
A problem of an infinite number of balls and an urn
I have a nice answer.
(Added (DR): now re-opened. Please note there are ten deleted nonsense answers, which I imagine ...

0
votes

0
answers

111
views

### Can I delete one of my posts that has been closed as off topic and received an answer with positive up-vote?

Can I delete one of my posts that has been closed as off topic and received an answer with positive up-vote?
Should I delete all my posts that has been closed as off topic? (with/out answer)

0
votes

0
answers

213
views

### Would asking this question be permissible on the main site?

I have been working on a problem for days, that I previously mentioned on ComScience StackExchange. The answers were helpful. But, I need more information to develop a polynomial space algorithm.
I ...

0
votes

0
answers

137
views

### Need details or clarity

I need some help to understand what is unclear with my question A reform of logic to secure naive set theory? and also what details are missing, from other persons perspective.

0
votes

0
answers

105
views

### Is my question for Math Overflow?

In the first paragraph of Prove or Disprove this Darboux-like sum of a function defined on infinite limit points converges to zero, I state that I do not know whether this is a research question. Is ...

0
votes

0
answers

97
views

### Setting up math Q/A site in foreign language

Now that my college shifted to online education because of the coronavirus, I would like to setup a MathOverflow style site in Hungarian where I could post exercises, and students could comment, post ...

0
votes

0
answers

119
views

### A questions about "on hold" status of a question and about "closed" status

I have a question that´s been put "on hold". And I have some questions.
Who can see that this question is "on hold"? Can that see all users of the site or even some people who ...