# All Questions

1,806
questions

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### The reason for putting on hold a question

Why was this question put on hold? It seems to be fairly specific and it is about mathematics. You could argue that it is slightly meta-mathematical; would it then be appropriate on meta MO?

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votes

1
answer

250
views

### What to do when it seems that downvotes are not justified (for example, when they are directed "against" the person and not "against" the question)?

This question now has a score of $-2$ and it could be that it will be lowered still.
It is an elementary attempt to resolve an open problem.
I shared it with you because I am an amateur and almost ...

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votes

2
answers

318
views

### Should metaMO allow actual requests for mathematical consulting services to be remunerated either by honoraria or by "usual and customary" fees?

Should metaMO allow actual requests for mathematical consulting services to be remunerated either by honoraria or by "usual and customary" fees?
If so, should MO receive reasonable "broker" fees for ...

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votes

1
answer

226
views

### Bumping the question if it receives upvotes but no answer

Suppose a question is posted 3 days ago and it got decent number of up votes, say $5$ but did not receive any answer yet and not even comments which says some thing in direction of an answer..
In ...

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votes

4
answers

711
views

### Migrating a question which is already posted on the other site [closed]

When a question begins by saying "This question appeared earlier on math.stackexchange.com" and links to that earlier posting, how does it make sense to migrate it to math.stackexchange.com (thereby ...

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votes

1
answer

509
views

### How to properly ask for the (non)existence of hypothetical mathematical objects on MO?

A question from a rookie on MO.
During my research, I introduced in my physico-mathematical equations some "nasty", "problematic" mathematical objects (namely functional integrals) that are at least ...

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votes

1
answer

1k
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### Protest for my account suspension [closed]

I posted this question about two month ago. Shortly after this, I got a moderator private message.
It says:
We've noticed that you have a pattern of engaging in lengthy discussions in comments, ...

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votes

1
answer

240
views

### Close votes of different types

Sometimes when a question is closed, different people have a different reason for closing it. You can see this while voting: there is a count in the margin saying how many votes of a given type have ...

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votes

2
answers

414
views

### Is this site not intended to help mathematicians and aspiring mathematicians become more informed about the subject?

My account says "we are no longer accepting questions from this account". Although some of my questions have been negatively received (and taking into account the fastidious nature of MathOverflow), I ...

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votes

1
answer

335
views

### How the moderators/admin decide the significance/research orientation of any question before closing it? is it intuitive to them?

I am not sure whether there exists some kind of objectivity in taking a decision in closing a question. For example my question https://mathoverflow.net/questions/226226/a-symmetric-function was ...

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1
answer

371
views

### Are these close-votes cast correctly?

I asked this question on MSE. It received up-votes and one answer that seems imprecise and unsatisfactory to me. Then I posted it here on MathOverflow for answers of higher quality, and it was also ...

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votes

1
answer

180
views

### Is asking to verify my P=NP proof appropriate?

Is providing link to my (8 pages) proof of P=NP and asking to check my proof appropriate for a MathOverflow question?
The proof is on professional mathematician level (uses advanced logics) and does ...

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votes

1
answer

298
views

### Would it be okay/interesting to ask a survey type question?

I would be interested in asking a question which asks mathematicians who visit the site the following question:
1) What research topic are you actively working on right now?
2) Why are you ...

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votes

1
answer

291
views

### Where did the reputation go?

Some time ago, it was decided that reputation should no longer be displayed by default, but users had the possibility to opt in to see it, as explained by Ben Webster. I had opted to see reputation, ...

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votes

2
answers

361
views

### Should we encourage non-professionals to ask hard questions if that is good for the future development of the mathematics? [closed]

There is a story about Gauss being "unimpressed by FLT, pointing out (after finding a proof of the n=3 case) that in number theory it’s very easy to come up with problems that are very hard.".
But, ...

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votes

3
answers

1k
views

### Why does mathoverflow encourage only research level questions while stackoverflow encourages ANY questions?

Why does mathoverflow encourage only "research-level" questions while stack overflow encourages "all-level" questions?
I understand that the two communities seem to have different mentalities towards ...

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votes

2
answers

458
views

### Why was my probability question closed?

Why was my question closed here? Probability every team successfully presents a solution
At a summer math program a contest is held for $n$ teams. Each team, composed of $n$ individuals, is given the ...

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votes

1
answer

221
views

### Do we have a privacy problem when people try and leave the mathoverflow community?

Do we have a privacy problem when people try and leave the Mathoverflow community?
Due to my objections regarding MO I deleted my profile. While I understand not deleting my questions and answers, I ...

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votes

1
answer

595
views

### More precisely defining the scope of mathoverflow's subject matter

A few months back someone asked about the difference between questions appropriate for mathoverflow.net and those appropriate for math.stackexchange.com. And someone answered, saying something along ...

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votes

1
answer

800
views

### The question 'Mathematical work of Jonathan Gleason' disappeared

The question
https://mathoverflow.net/questions/291518/mathematical-work-of-jonathan-gleason
was deleted by some unknown person, not long after Jonathan Gleason passed away. I am shocked with the ...

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votes

1
answer

530
views

### What is the best way to ask for comments on your proposed proof of some known theorem on MathOverflow?

Firstly, I apologize in advance if this post in not suitable for MO, but in my personal circumstances, I have no other place where I could post it.
Suppose one is fairly convinced that they have found ...

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votes

1
answer

253
views

### Can the Math Overflow look be changed? [closed]

I love the math sites but I rarely visit this MathOverflow site because of its look. The color and appearance is not appealing. I know this will sound weird but the mathematics is cool, maybe they can ...

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votes

1
answer

356
views

### Is Mathoverflow aware of its role of popularizing mathematics? [closed]

I read book of prof. Michał Heller. He received award of Hugo Steinhaus for popularizing science. In his speech he mentioned Steinhaus in anecdote. In 1952 Secretary of PAN (Polish Academy of Science) ...

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votes

1
answer

180
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### adding n cat lab tag

I propose adding n cat lab tag with an intention to discuss mathematics that is written in https://ncatlab.org/nlab/show/HomePage.
As https://ncatlab.org/nlab/show/HomePage has large amount of ...

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votes

1
answer

441
views

### Account not deleted [closed]

25 hours after my account was scheduled for deletion, the account is still active. I tried deleting my answers manually but it is not possible in most cases, same for questions. What should I do?

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votes

1
answer

513
views

### A radical proposal on votes and reputation

I was trying to explain the current controversy how “welcoming” MO is to a non-mathematician friend. The current best hypothesis for why MO is either attractive or repellent in general is that it has ...

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votes

1
answer

184
views

### Is it allowed to use images for pasting math formula?

Is it allowed to use images to paste math formula in mathoverflow.net ?
I think this is high efficiency, and few people search math questions by LaTeX.

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votes

1
answer

233
views

### Answering off-topic questions

What is MO's exact policy on answering or not answering off-topic questions? Assuming there is some well-defined policy. My guess is: you are allowed to answer off-topic questions and if somebody ...

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votes

1
answer

416
views

### Remove down-voting or show down-votes in the separate counter

I have been reading this question and answers and I have submitted the answer there which is really a question. I have added it there, because it come to my mind after reading the questions and ...

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votes

0
answers

126
views

### For irrational √(1+(1/n)) n integer, what are the best Stack Exchange Sites for proofs: direct calc, Euler's, Taylor Series (also √(1+(m/n)), m<n)

In solving a different problem, I came across three different proofs that if:
$$S_{root} =
\begin{cases}
\begin{aligned}
\sqrt{1+\frac{1}{n}}, \quad \text{for n } \in \{\text{Set of Counting Integers} ...

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0
answers

649
views

### An Introduction to Suspension Theory [closed]

Inspired by Konrad's last post I would like to start a discussion thread on some possible aspects of long time/permanent suspensions.
"Konrad" is a pseudonymous name for a long time suspended user. ...

-9
votes

2
answers

466
views

### Play the game: an observation about the reputation [closed]

MO is a nice Q&A network. Its niceness comes partly from the fact that it's funny, thanks to the existence of the reputation points. Normally, mature mathematicians shouldn't need a system with ...

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votes

2
answers

252
views

### Has word "mathoverflow" trademark?

I have domain name mathoverflow.in, and I want to develop a free website or Q2A discussion forum using https://www.question2answer.org/ free open source platform. I'...

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1
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277
views

### Let Mathematics be a wild beast

I think the mathematics is a subject that should not hesitate to question any of it's old truths, as it enjoys the status of being foundation of the truth for most other sciences.
However, I'm seeing ...

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1
answer

271
views

### Does MO have a stand on neurodiversity? [closed]

Does MO have a stand on neurodiversity, if even informal? If not, should it have a stand? And practically speaking, how might it have a stand that could improve the community as a whole?

-9
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1
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386
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### Why is this answer about naming deleted?

My answer for Naming in math: from red herrings to very long names has been deleted. According to Why and how are some answers deleted?, the only two relevant reasons are:
commentary on the question ...

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2
answers

394
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### Would you like to see a MathOverflow Mods' Office?

Recently Math Stack Exchange created the Math Mods' Office with the following room description:
For informal chat with the site moderators about moderation, spam, troublesome users and other ...

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votes

2
answers

359
views

### Why was my answer deleted?

The axiom of choice as a consequence of a stronger semantics?
On what grounds?
"It is not people who break ethical standards who are regarded as aliens. It is people like me who are isolated." (...

-10
votes

1
answer

395
views

### Why so heavy downvoting?

For this question I received 7 upvotes and 9 downvotes. Why is so heavy downvoting?

-11
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1
answer

178
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### Limiting the length of questions?

Many questions on MO are not formulated as concisely as they could be. I would propose a limit of characters (to be discussed, say 500 characters), and you can "buy" more space by sacrificing some of ...

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1
answer

489
views

### Should MO perhaps give numerological abductive questions a little more benefit of the doubt

Background:
This question is a much more specific version of a metaMO question which was deleted for some odd reason after one poster said in a comment that he agreed with everything said in the post....

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1
answer

263
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### Why was my answer deleted? Cause?

The axiom of choice as a consequence of a stronger semantics?
First we show that $\in$ is not a semantic symbol. Suppose that $\in$ is a semantic symbol.
Contradiction: We know that $x\in \...

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votes

2
answers

412
views

### Should the MathOverflow chat room have its own moderators?

The Math Stack Exchange chat room has had some heated arguments/suspensions in the past and I was wondering if there were any plans for the newly opened Math Overflow chat room to have its own ...

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1
answer

298
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### offtopic question

my question was off toped https://mathoverflow.net/questions/298576/eiπ-1-1iπ?noredirect=1#comment742859_298576
Now I clearly see no reason for this. Just like for having two distinct websites for ...

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2
answers

367
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### Can anyone learn anything from a downvote without an accompanying rationale in a comment?

I have been on enough web boards in both the arts and sciences that I have learned not to be bothered by downvotes in and of themselves.
What does bother me is a downvote without an accompanying ...

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1
answer

391
views

### on- and off-topic questions [closed]

When might it be reasonable that a question is closed as off-topic because it "does not appear to be research-level mathematics" while one of many narrow special cases of that question, posted ...

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2
answers

411
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### What needs math?

I probably do not understand the forum https://mathoverflow.net/questions
Have noticed that if someone asks how to solve any equation - then this post with a question quickly removed. Okay. Suppose ...

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votes

2
answers

598
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### Why my nomination for 2022 Community Moderator Election withdrawn without convincing reason?

I was honored to participate in the elections for moderation in MO 2022 , but I am sorry to say that my candidacy was withdrawn today without any convincing reason, frankly, I did not find it ...

-15
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1
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954
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### Why was this question asking non-trivial examples of closed subschemes closed?

Why was this question asking non-trivial examples of closed subschemes closed?

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1
answer

315
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### Proposal for a new rule for down-vote

As I see it, the most common causes for down-voting a question should be:
The question is completely incomprehensible, or makes no sense ("Are all prime numbers green?");
The question has a trivial ...