# All Questions

1,857
questions

-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

256
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 ...

-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

477
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

494
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

449
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

266
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

386
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

168
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

471
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

210
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

163
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

1
answer

190
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 ...

-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

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

455
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

113
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

433
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

167
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

199
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

178
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

158
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

246
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

205
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

583
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

2
answers

898
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 ...

-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

1
answer

299
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 ...

-4
votes

3
answers

358
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

365
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

329
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

1
answer

184
views

### Mixed reviews - can I have a decision reversed?

The image says it all really - I flagged when the question was still open so how come the question was then put on hold but my flag rejected?
https://mathoverflow.net/questions/229147/bourbakis-book-...

-4
votes

2
answers

370
views

### Area 51 Mathematics Open Community Reviews

Following the discussions in
Area 51 community peer review
and links therein, I have created the following proposal
Mathematics Open Community Reviews
hoping to get things started. The proposal ...

-4
votes

1
answer

309
views

### Should my question be closed?

See the question "On the number of $n$-perfect numbers". Some people claimed that it should be closed because I know the answer while I don't simply because they are hard open problems in number ...

-4
votes

1
answer

257
views

### Reputation recalculated: only even reputation now?

So +1 get 10 points for answers and questions, and -1 give -2 points. It is easy to see that users only have even reputation numbers now. Or did I miss a reputation-changing mechanism? (If not, why ...

-4
votes

1
answer

278
views

### Why is a question asking for powerful arguments for intuitionism not a research level question?

I'd like to read some well-vetted and modern pieces arguing for intuitionism (the "intuitionist stance"?), which I take to be:
As the intuitionist sees it, the rules of logic used by mathematicians ...

-4
votes

1
answer

198
views

### Would this question be appropriate for (main) MO?

Note #1: title of this post was modified as per a great suggestion from Todd Trimble
Note #2 ( to site moderators): I truly consider this question to be a legit "meta" question about the MathOverflow ...

-4
votes

1
answer

408
views

### Should Mathoverflow take a stand against AI?

I am a mathematician with a PhD from 2016 and a long-term user of this website, though I've not been active of late.
I am wondering, should Mathoverflow take a stand against Stackexchange for their ...

-5
votes

2
answers

2k
views

### Why was this question about axiom of choice and the Wiles's proof of FLT deleted?

Why was this question about axiom of choice and the Wiles's proof of FLT deleted?
Namely the question was as follows:
Does the Wiles's proof of Fermat's last theorem rely on axiom of choice?
[I ...

-5
votes

3
answers

654
views

### VIndictive downvoting--what can be done about such childishness, errh, lack of professionalism?

Clearly, from my reputation record, there has been some vindictive downvoting in the last three days or so. MathOverfflow is a community of people, not saints, and things like this are expected to ...

-5
votes

2
answers

369
views

### Why a Question gets Down vote and its Answer gets Upvotes?

Please, visit my question.
You will see the post has 9 downvotes and one of the answers got 7 up-votes. Moreover, the answer that got 7 votes is a mere try, not a complete answer. On the other hand ...

-5
votes

2
answers

553
views

### If it doesn't interest you, don't read it!

As an algebraist, if I see an analysis question on Mathoverflow that falls outside my expertise, I probably won't read it in details, and if I do read it, I certainly won't judge its "level",...

-5
votes

1
answer

648
views

### Restriction on Number of edits

Book about fluid dynamics asked Apr 13 '10 edited 1 hour ago
Are there examples of conjectures supported by heuristic arguments that have been finally disproved? asked 21 hours ago edited 2 hours ...

-5
votes

1
answer

265
views

### 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?