# All Questions

1,819
questions

0
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0
answers

169
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### Is this question suitable for MO?

I recently posted this question on MO. However, it quickly got downvoted and there was a comment which read that "MO is not for homework."
However, that question was not homework and I had not got ...

-1
votes

2
answers

490
views

### Proposed question: In the math history books of the future, what will be written about the years 1960-2010?

I was reading Stillwell's book, Mathematics and its History, and it got me thinking about how research developments in the last two decades (i.e. history for us too, except recent) would be "narrated"....

-1
votes

1
answer

391
views

### It is ok to ask the following question in MO?

Intuitively it doesn't look to me that much of a research level problem but, if it's not too trivial, I think it needs a bit of careful thought to answer my question. I don't know whether the ...

-1
votes

1
answer

783
views

### How can I convince mathematicians that my question on Fourier transforms and singularities is very important to be solved and it is worth their time

How can I convince mathematicians that this question is very important to be solved and it is worth their time. This question has practical applications, but I don't know the right procedure/forum to ...

-1
votes

1
answer

251
views

### Shall I ask my questions about Algebraic geometry on MO instead of MSE?

I searched for similar questions on MSE, like this and this, but couldn't figure out my solution. And since I intended to ask whether I can post my questions on MO, so I think I should ask here.
I ...

-1
votes

1
answer

258
views

### Are new users with inappropriate questions given help or rudely dismissed?

I often see questions like this: co.combinatorics - Given index $i$, what element is at position $i$ in sorted subsets that are obviously better suited for the Math.SE site.
This particular question ...

-1
votes

2
answers

165
views

### How to know if an old post is deleted, when I cannot find it

I'm looking for a post that I'm 100% sure was still here on this site about a year ago. It probably has tags "big-list" and "soft-question", and at least several of the responses received more than ...

-1
votes

1
answer

150
views

### Should a closed question award "famous" badge?

I'm looking at this question, which got closed as a non-question, and yet did award its author in the "famous question" badge.
Technically it passes the 10k views, but I think this is either a plain ...

-1
votes

1
answer

113
views

### Site for reviewing articles, formulas, theorems, etc?

This question might be weird, I wouldn't feel bad if it is closed.
I know that MathOverflow is for mathematicians and math StackExchange for people studying math at any level. But questions like "...

-1
votes

1
answer

81
views

### Regarding a deleted post

I posted a question on mathoverflow. It was regarding a counter example that I had found. Later I realized that I should not have done that and deleted it. I am writing a research paper on how I ...

-1
votes

1
answer

77
views

### Can external links to MO questions/answers be made more informative?

On several occasions I have sent by email links to MO questions or answers. They appear just like this - say, https://mathoverflow.net/a/287214/41291
Is it difficult to achieve that such links in ...

-1
votes

1
answer

255
views

### Change a question after counter example

This following question was motivated by this question, though many of similar nature can be found throughout MO.
The Problem: The question asks whether any bound exist on an expression, and ...

-1
votes

1
answer

188
views

### Should we delete or reopen these old posts?

The purpose of this question is to link to various old (say $\succeq 1$ year old) closed posts, mostly by no longer active users, most of which are reasonable candidates for deletion, and a few for ...

-1
votes

0
answers

83
views

### About the reasons for deletion of a specific question

This post is intended to solicit feedback from the community on a post made on the Math Overflow site. The link to the publication is the following:
https://mathoverflow.net/questions/458514/an-...

-1
votes

0
answers

120
views

### Reopening request for question on terminology [duplicate]

An edit to explain that the question asks for a reference was included, and the tag reference was added.
Notice that the duplicate claim does not hold up to scrutiny.
So please reopen the question &...

-2
votes

5
answers

1k
views

### close/reopen wars on Mathoverflow

Sometimes one sees a situation like with this question:
Cargo Cult Science in mathematics?
which goes on hold and back again a number of times.
Should there be a limit to the number of such rounds?
...

-2
votes

2
answers

476
views

### Why does Mathoverflow not like opinions?

I've learnt that mathematics is largely about people and their experiences. The mathematics and the people are entwined in a way that should be celebrated. So with this in mind, why does Mathoverflow ...

-2
votes

1
answer

491
views

### Can we change the reference to "professional mathematicians" on the main page?

I'm personally quite bothered by the statement on the MathOverflow main page (when not logged in) that "MathOverflow is a question and answer site for professional mathematicians." It seems both false ...

-2
votes

1
answer

448
views

### May I know why is my question on hold when it is clearly research-level?

This is my question
https://mathoverflow.net/questions/262039/central-properties-of-the-integers-mathbbz-over-other-structures-with-sum
I think the question is clear enough and it is easy to ...

-2
votes

3
answers

264
views

### Is it ok to ask for explanation of content in question?

I can not explain with out taking an example.
See this question Gauge theory on schemes.
I hear "Gauge theory" every now and then and wanted to know what it is about. I did not enjoy reading ...

-2
votes

1
answer

385
views

### Legitimate questions put on hold with no comments, no notification, and no chance to improve

My question was put on hold as unclear. I see a number of issues in this:
No intent was made to clarify the question via comments: it was just shut up. I consider it rude and unhelpful.
No reason was ...

-2
votes

1
answer

165
views

### Asking the same (subjective) question on Math.SE and MO

I asked a question a couple of years ago on MathStackexchange which was quite popular. I would like to ask it on MathOverflow as well, since I'd be interested in the answers there. But I'm never ...

-2
votes

1
answer

193
views

### How to edit tags correctly?

I attempted to edit the tags for this question. I got the message:
This edit introduces tags that do not help to define the topic of the question. Tags should help to describe what the question is ...

-2
votes

1
answer

469
views

### Why this question is off-topic?

Given an even function how to obtain the most close odd function and vise versa?
Why it was closed?

-2
votes

2
answers

152
views

### Should "does anyone access this paper" questions be community-wiki?

Should questions consisting in barely asking for a copy or link to some given paper be community-wiki?
A recent example, among others, is and Reference of J.L. Waldspurger's paper on Shimura ...

-2
votes

1
answer

208
views

### Proposed merger of tags

I would like to get some reactions to the idea of merging several tags under an umbrella "infinitesimal". The motivation is that the individual tags each have few questions, and the existence of ...

-2
votes

2
answers

622
views

### Criteria of considering relevance of the question to the domain of research topics

Please look at
https://mathoverflow.net/questions/175757/conjecture-related-to-distinct-unique-permutations-of-digits.
In my view, it is clearly a specific research question - it is not a general ...

-2
votes

1
answer

162
views

### Restriction on editing closed questions

Guidelines to prove that $2^{\sqrt{2}}$ is a transcendental number? question bumped into https://mathoverflow.net/ after making an edit.
I am not sure if that adds anything to the question.
Should ...

-2
votes

0
answers

220
views

### Is there a policy or consensus about corrections in punctuation or in MathJax usage?

$$\gcd(N/q^\alpha,\sigma(N/q^\alpha)) = \begin{cases} \dfrac{N}{q^\alpha \sigma(q^\alpha)}, & \alpha \equiv 0 \pmod 2 \\[8pt] \dfrac{2N}{q^\alpha \sigma(q^\alpha)}, & \alpha \equiv 1 \pmod 2 \...

-2
votes

1
answer

165
views

### New tags: Functional Data Analysis, Time Series, Functional Time Series

In my opinion there should be at least the following two tags, I couldn't find:
"Time Series",
"Functional Data Analysis".
Since functional data are used more and more and time series as a ...

-3
votes

2
answers

894
views

### Politeness on MO/MetaMO

On at least two occasions some advanced MO users included in their comments phrases which were less than polite. I hope that these are isolated instances or else I would quietly and simply leave MO ...

-3
votes

1
answer

293
views

### A fuller story of up/down-voting

MO-participants should appreciate the difference between information about +1 vote and +4 vs -3 votes. This is especially the case of closed questions.
I hope that MO will implement the more ...

-3
votes

2
answers

2k
views

### Why have I been suspended from the ICM chat? General remarks about unwelcoming behaviour on MathOverflow

Although the below obfuscates the context which is undoubtedly relevant to what has happened, the following comments appeared to be reason enough for the moderators to ban me from the ICM chat.
...

-3
votes

2
answers

452
views

### Respond to comments of deleted posts

Recently my answer to a question got deleted .
Before it got deleted, it had comments from 2 specific users. Since I came to know about the comments after it was deleted I was unable to reply.
So,
How ...

-3
votes

1
answer

108
views

### How to formulate a question for a Mathoverflow forum?

Can the following question be posted? “Where could an error be in the proposed proof of Fermat Last Theorem? Info about the author, proof and preliminary validation is at (link)”. How should the ...

-3
votes

1
answer

514
views

### Why MO community forbide me and discourage me to do my research and to post my questions?

I'm confused why MO community forbids me many times to ask question however the last question that I have posted wasn't negative , Really this method of dealing is discouraging me and discourage all ...

-3
votes

1
answer

432
views

### Should we create an Erdős tag?

I was thinking about creating tags for some famous or important people, like Erdős (that already exists, as pointed out by Joonas: erdos), that could be used for questions related to their work.
...

-3
votes

1
answer

166
views

### Remove the upper bound on the number of bounties a single user can have at any moment

This question is about the maximum number of active bounties one user can have at any given point of time. Why do we have such a limitation? Why only 3 bounties?
I have asked some questions on this ...

-3
votes

1
answer

196
views

### Can a question be muted from showing up to the front of the page so answers can edit their response as much as they please?

I liked the answer to this question: An algebra of "integrals" by @anixx
Which had a very detailed table attached. My understanding is the answerer had updated the question some 35 times to ...

-3
votes

1
answer

177
views

### Giving "bountied questions" more visibility weight

What community thinks about idea giving "bountied questions" more attention ?
I almost never look on the tab "featured", I guess I am not alone. So I guess such questions deserve little attention.
...

-3
votes

1
answer

155
views

### Some concession for first couple of questions posted by new user

which is more important between connection and metric?
This question was posted by a new user before 40 minutes.
It was not a spam post.
It is not clearly mentioned what the question is.
...

-3
votes

1
answer

244
views

### Rule against asking the same question that was once asked in the past (on another forum, yet)

In its relatively early days, MO was an organic and dynamic website — it encouraged active discussion among its members, that in almost all cases was extremely fruitful.
But now, even if a similar ...

-3
votes

1
answer

204
views

### Should there be a separate tag for videos?

Sometimes there are questions about videos, movies, documentaries, etc. (I'll add a small sample below.)
Would it be useful to have a separate tag for this topic? This could possibly help when ...

-4
votes

2
answers

570
views

### How do people determine if other people's questions are research level or not?

I post a question here:
https://mathoverflow.net/questions/159016/on-convexity-of-function-in-c10-infty
(now deleted).
Obviously, those who closed it think it is too elementary.
But how do they know ...

-4
votes

1
answer

432
views

### Request for Undelete

I hope that I am following the instructions listed at How does deleting work? What can cause a post to be deleted, and what does that actually mean? What are the criteria for deletion?.
I would like ...

-4
votes

3
answers

357
views

### How to ask general questions about research directions in given area

Here are examples of two questions which I would like to ask. I am afraid to ask them, because they might be closed. The question about 3-manifolds might survive. The question about sporadic groups ...

-4
votes

1
answer

355
views

### Regarding my question: "Can only the constructible sets be proven to exist in $ZF$...."

I am concerned that the 'bad reviews' regarding my most recent question are more harassment than helpful. They seem to come from distinctions between $Def$ (or what I call $\mathscr P_{Def}$), $\...

-4
votes

3
answers

328
views

### Make it evident that bounties are non-refundable or refund them on other people's questions

When I went to place my first bounty about a month ago, the question wasn't mine and I almost put up 500 rep to draw as much attention as possible figuring I'd only have to surrender said rep if ...

-4
votes

2
answers

179
views

### Is it possible to add an option to migrate to a programming site?

There have been a number of questions in the Close part of Review lately which were basically asking for help creating an algorithm to do some mundane task (see here, here, here for example). I wonder ...

-4
votes

2
answers

313
views

### Is there a penalty for merely looking at a question, comments and an answer?

Recently I have lost 2 reputation points for merely looking at a question, comments and an answer (1 point for reading the question "Large cardinals in $ZF$ + $DC$ + $AD$, and 1 point for reading ...