# 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.

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questions with no upvoted or accepted answers

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### 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, ...

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### 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
...

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### 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 ...

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### 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 ...

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### 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 ...

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### 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 ...

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### Why do we need the general-mathematics tag?

I recently came across the general-mathematics tag. It has no usage guidelines, nor do I think it should exist. Do any of you know the historic reasons for its existence, or think it should stay as it ...

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### 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 &...

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### 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 ...

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### 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 ...

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### 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 ...

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### 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 ...

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### 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 ...

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### 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 ...

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### 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 ...

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### Risqué and uninformative title.

I found the previous title of
Realizing proper pure octonions as conjugates
slightly risqué and also uninformative. So in the spirit of being bold I just changed it to something mathematical. I'...

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### 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 ...

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### 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 ...

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### 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 ...

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### 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 ...

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### 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.

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### 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 ...

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### 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?

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### 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 ...

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### 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 ...

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### 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.

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### 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(...

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### 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 ...

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### 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" ...

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### 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}{\...

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242
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### "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 ...

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### 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/...

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### 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 $+\...

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### 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?

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### 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 ...

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### 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)

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### 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 ...

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### 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.

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### 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 ...

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### 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 ...

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### 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 ...

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### MO links chopped in gmail pdf viewer

Currently I am preparing the text for a paper (together with two coauthors) where we cite help from MO on two occasions. I am doing this using the cite button. It ...

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### Is it bad practice to edit my own question with details from the paper provided in the top answer?

I asked a question and received a helpful answer that showed me work that I did not know how to search for. The answer was a link to the author's paper and some context on its relevance. While I could ...

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### reminder for comments/responses

Suppose a user commented on my post and due to some reason I overlooked and then forgot.
As it is my question, the one who responded for my question would not care to write another comment if I do ...

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### Should there be Anonymous Comments?

I currently got a downvote for my question Making a Graph Eulerian for Applying TSP Heuristics, but unfortunately the downvoter didn't leave a comment explaining what the motivation was, thus ...

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### Would this question be on topic?

I'm independently working on some research, and would like to see if there are any other papers on this topic. Can I ask a question on the main site, with a brief description of my work, to see what ...

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### Is this post incompatible with its tags?

Is the following question incompatible with its tags? I really do not understand the reason that some participants voted to closing this question as off topic question:
PhD dissertations that ...

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### What if I want to increase bounty by somebody else?

I found an exciting question that somebody gave bounty of 50, and I would like to increase it. Seems there is no way to do it. Why?
Also, I never tried this so I don't know: can I increase my own ...

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### "Singular Perturbation" is not among tags

Can I ask MO to define a new tag "Singular perturbation". I did not find this tag among the tag list.
Thank you

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### Another close reason: "subsumed"?

This happened few hours ago: the question Series involving gamma function about the sum of a specific series, probably not research level, was followed by another one, Series involving factorials ...