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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-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 ...
44 votes
2 answers
2k views

How to cite comment by unknown user disproving Erdős conjecture?

I believe that fedja has disproved a conjecture of Erdős et al. when commenting on my question Almost monochromatic point sets, but I'm unable to contact fedja regarding this. What shall I do? Shall I ...
38 votes
29 answers
3k views

Big list of feature requests and suggestions for a fantasy MO 3.0

I feel that MathOverflow is unique in the StackExchange network. There are features which we might want which might be unique to this site, and which might not be immediate feature requests or ...
12 votes
2 answers
530 views

What to do if you want up-to-date answers to an old question on technology

One issue with the site lasting as long as it has is that technology has changed quite a bit since its early days, and so discussions of technology are extremely out of date. In particular, when ...
56 votes
4 answers
4k views

How much is MathOverflow exposed to recent events on StackExchange?

[Long-time 10k+ MO user here, asking this question anonymously for reasons that should be obvious. Added Oct 16: My access to this account will self-destruct in 3, 2, 1 .... (sorry, won't be able to ...
1 vote
0 answers
161 views

Should this be moved to math.stackexchange?

I posted Lower bound on Carmichael Function and just assumed it belonged here, but after thinking about it for some time I'm not so sure. The Carmichael function itself might be encountered by other ...
12 votes
3 answers
1k views

Happy tenth anniversary! How did you celebrate?

Question 1 was a test question posted about ten years ago from this one (give or take about an hour). There's been a bit going on since then with the main forum. This post is a place for celebrants ...
0 votes
1 answer
165 views

Should there be another tag for vector bundles in Algebraic geometry (over schemes)?

Should there be another tag for vector bundles in Algebraic geometry (over schemes)? Some questions about vector bundles in the sense of algebraic geometry are given the tag whose tag description ...
6 votes
1 answer
632 views

Why can't I post my question on MO anymore

It seems that my account in MO has been blocked. My post is no more accepted, saying that we are no more accepting post from this account. How can I get my account unblocked?
43 votes
2 answers
3k views

Have any MO-hard problems ascended to "real" open problems in their fields?

Have any questions first proposed on Mathoverflow attracted enough interest from experts in their field that solving them would be considered a significant advance? I don't want to count problems ...
8 votes
0 answers
375 views

MathOverflow in the news

What are some instances of MathOverflow being mentioned in the media? Now that MathOverflow has recently had its tenth anniversary, I would be interested to learn of any mentions of it in the mass ...
50 votes
7 answers
3k views

What do you want to do in September for MO's tenth anniversary?

On Sep. 28, 2009, MathOverflow went online, and has almost ten years of almost constant operation, thanks to StackExchange. There will be an obligatory post observing the anniversary. The board of ...
3 votes
1 answer
191 views

Wouldn't it be nice to have subforums on MathOverflow dedicated to learning certain books/papers/etc.?

Oftentimes, I read something and start to ponder questions of the form "Does the formula on pg. 87 have a typo?" or "Isn't this a gap in the proof?" or "Why does the definition have this extra ...
13 votes
0 answers
351 views

What should the tag (open-problems) be used for?

Since this issue came up in comments to another questions on meta, I'll ask about the intended issue of the open-problems tag. Question. What is the intended usage of the open-problems tag? Should it ...
12 votes
1 answer
528 views

Can I ask about entry-level questions (understanding and definitions) of research-level topics?

I am currently doing a reading on Teichmuller space and I am having trouble understanding some basic definitions. So I asked these two questions on MSE first: Understanding Teichmuller equivalence of ...
41 votes
4 answers
3k views

Catering to professional appearance a bit much?

[In case of hurry, please scroll down to the suggestions at the very end.] The deletion of the Math Jokes thread (mirrors: html or pdf), most likely provoked by the meta.MO debate about some specific ...
9 votes
0 answers
350 views

Suggested tag: approximation-property

I'm relatively new to MO (but have been on MSE for a longer time), which means that I don't have enough reputation to create new tags. Which is probably a good thing. Lately I've been puzzling with ...
11 votes
0 answers
544 views

Appropriateness of proposed question on applications of number theory in dynamical systems?

Update: the question has now been asked on the main site - Applications of number theory in dynamical systems I am considering asking a reference-request type question on MO about significant and/or ...
14 votes
1 answer
428 views

Links with IP adresses rather than website names

I have noticed several posts with links to pdf files where IP address is used instead of domain name the url.1 (I will list them below.) Several of them seem to be dead. Moreover, this type of url ...
-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 ...
48 votes
1 answer
2k views

Why was the whole math jokes thread deleted, and should it have been?

[Topic very similar to several other recent questions, but the central question is I think not a duplicate.] The meta thread Should these sexually suggestive jokes be kept or deleted? raised the ...
2 votes
0 answers
107 views

Collaborate to answer

Question: If the question is about proving $P$, which, pointed out in comments, follows from $Q$ and $R$. Is it acceptable to write an answer only containing the proof of $Q$, as part of collaboration?...
17 votes
5 answers
4k views

Should these sexually suggestive jokes be kept or deleted?

There are a few jokes in "Do good math jokes exist?" that I think are inappropriate. Specifically: Nov 21 '09 at 9:01 item (1) Oct 19 '09 at 16:03 Dec 10 '09 at 23:14 Dec 15 '09 at 1:31 All of ...
11 votes
2 answers
520 views

Papers, articles, books and other resources discussing MathOverflow

There already is a post asking about published works which started on or were inspired by posts on MathOverflow: Best of MathOverflow, or papers inspired by MathOverflow. It might be interesting to ...
25 votes
5 answers
1k views

Community Peer-Review in Mathoverflow

I was recently surfing around the Physicsoverflow and I have to admit I was impressed by their Review section. I could not help myself from thinking how -and if- such a feature could also be ...
118 votes
23 answers
9k views

MO-Hard Questions

The term "MO-Hard" has entered the mathematical vocabulary, describing interesting questions that were asked on MathOverflow but haven't been answered in spite of efforts by many community members. ...
56 votes
4 answers
7k views

Flood of Similar New User(s)

The following thirteen(!) users: goingfullscheme valua_aint_no_galois going-full-isomorphic logicians_rule, martintzar royalroadtogeometry bundlist compactbut faptoint you_dont_mess_with_ron ...
14 votes
4 answers
642 views

Removing greetings and taglines

The Stack Exchange Network frowns on greetings and taglines in posts. There were mixed reactions to this before we moved to the network. Should MathOverflow tolerate greetings or not? Is it ...
21 votes
1 answer
877 views

Will ads appear on MO?

It looks like the Stack Exchange network is trying to monetize the various stack sites as much as possible, to the dismay of users across the board. Will this affect MO? If I recall correctly we ...
4 votes
1 answer
382 views

Rules for deleting one's own question

Today (2019 July 6) a new user had posted a question that received some upvotes The problem is from contest.Please flag it for removing it and I had provided an answer that didn't solve the problem. ...
44 votes
2 answers
1k views

Restoring Bill Thurston's figures in an answer

The question Floating polyhedra with fair equilibria was answered by Bill Thurston, but his (typically amazing) answer contains links to 7 figures, all now broken. I don't know how to retrieve those ...
1 vote
1 answer
338 views

Does MathOverflow help people get past paywalls?

I just came across the following question: Kaczorowski's paper on Distribution of Primes In case the question gets deleted or closed in the future, the OP asks for a specific reference, which is ...
0 votes
2 answers
303 views

Not accepting answers

In my opinion, there is a moral obligation on those asking questions to do something with the answers: Either accept one, or to explain why none of the answers is satisfactory. I do not see this ...
-6 votes
2 answers
362 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, ...
15 votes
1 answer
415 views

Enabling arXiv trackbacks for [other] SE communities

I recently became aware of MathOverflow arXiv trackback feature that was custom implemented by @ScottMorrison. This is just awesome and certainly serves very well MathOverflow community. I was ...
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 ...
7 votes
1 answer
407 views

Bounty from Community

This question has an outstanding bounty from the Community user. How does that happen?
25 votes
0 answers
1k views

Unregistered Users (in Theory and in Practice)

There's been past discussion (e.g. here) about whether MathOverflow should allow posts from unregistered users. I am fully on board with the apparent consensus that the answer is yes, because of the ...
19 votes
0 answers
885 views

Are we making it too tempting/easy to send inappropriate posts to MSE?

This "question" (asking for generalized help with a long list of elementary topics) is clearly going to be unwelcome almost anywhere, yet two users voted to close with a suggestion to "see math....
2 votes
1 answer
547 views

Should we start a "PolyMathOverflow" project?

Recently polymath projects seems to have stopped. One reason for this could be that running such a project requires a lot of effort from at least one person running it. I was thinking if it were ...
11 votes
0 answers
551 views

Primarily opinion-based questions/answers

One closing option is primarily opinion-based: Many good questions generate some degree of opinion based on expert experience, but answers to this question will tend to be almost entirely based on ...
-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 ...
-8 votes
1 answer
237 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 ...
21 votes
2 answers
774 views

Stack-exchange devoted to research problems, the suggested approaches and updates

The idea is to have a database of open research problems where the answers will be updates or suggested approaches. One research problem per post. This is in the spirit of Polymath. Reasons: ...
2 votes
0 answers
130 views

Bounties for Answers?

What are your feelings about offering a bounty for deciding or evaluating an answer to a MO question? Background of this post is that I have provided two answers to a highly upvoted question with ...
-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?
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 ...
14 votes
2 answers
654 views

Why is it not possible to offer a bounty for longer than 7 days?

I had offered a bounty for the following question that expires in 7 hours: What did Gelfand mean by suggesting to study "Heredity Principle" structures instead of categories? The results ...
13 votes
0 answers
2k views

How to "cite" MathOverflow answer?

I am writing a paper at the moment and for one proof I use an idea which I got from a MathOverflow answer (at the time I was asking idle questions but later of course found a way to use it). I of ...
26 votes
1 answer
1k views

Why is “MathOverflow” spelled without a space when “Stack Overflow” is spelled with a space?

I assumed the name of our site “MathOverflow” is derived from the name “Stack Overflow” of the first and largest site that used the same base software (Stack Exchange). Is this so? If it is, then ...

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