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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29 votes
3 answers
2k views

Celebrity usernames

The question "naive de Rham cohomology fails for singular varieties" (naive de Rham cohomology fails for singular varieties) recently received an apparently useful answer from a user with the name "...
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3 votes
1 answer
203 views

"what is" type questions

is it acceptable to put questions of the type "what does ... mean?" or "what is ...?" on MathOverflow. For example? what is the moduli space of higgs bundles? what is a Picard-Viessot extension? ...
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2 votes
1 answer
336 views

What about talking about life? How to work, manage, organize, and so forth?

My question comes from a general an recurrent observation on MO (and more generally in the real academic life): doing research (in mathematics) is a whole ecosystem, full of different tasks and ...
17 votes
1 answer
298 views

Splitting a question

I recently asked a rather broad question, with four parts. I quickly received an excellent answer which solved three of them, but the fourth seems to be less related than I thought, and is still ...
17 votes
2 answers
623 views

Guidelines for contacting author of paper directly as opposed to asking on mathoverflow

Every now and again I will have a very specific question about a paper or book, for which I think there is a high likelihood that only the author(s) of the paper or book can give a definite answer. ...
2 votes
0 answers
100 views

Redirection for off-topics posts

At the moment there are three choices in the Closing > Off-Topics > Migration tab. Shouldn't the other stackexchange websites http://matheducators.stackexchange.com and https://hsm.stackexchange.com/...
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1 vote
0 answers
180 views

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 ...
0 votes
0 answers
89 views

"Conley index " as a tag

Is there a tag which can be related to methods on Conley index theory?I could not find a tag with this title.
1 vote
0 answers
91 views

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 ...
  • 11.4k
36 votes
2 answers
529 views

Is it worth editing old posts to add links for references?

I always appreciate when citations to papers in MO answers/questions have a hyperlink — it’s very convenient for the reader, especially in cases where the referenced paper is non-trivial to find. ...
7 votes
0 answers
231 views

Editing an old post to add MathJax

Sometimes I come across an old post which does not use MathJax. Is it OK to edit such a post if the edit improves readability? This question (and its answers) motivated this post. I know some users ...
0 votes
1 answer
315 views

Why was the question on the history of $y=y(x)$ put on hold?

It seems that we are still accepting questions on the history of mathematics as well as on notation. Why was this one not considered to be of research level on these two tags? I have checked the help ...
27 votes
2 answers
1k views

Using MathOverflow to get new results in your research and publish them afterwards

So, MathOverflow is mainly used for posting research problems. Assume I have a research idea on which I want to write a paper. I developed it to some extent, but I am stuck somewhere and I post the ...
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17 votes
3 answers
731 views

Are well-posed questions about the mathematics job search on topic at MO?

When MO was young, it quickly became the dominant forum for mathematical discussions. At the time, the scope was pretty much "anything that is on-topic at a department Tea". For example, we had ...
5 votes
1 answer
147 views

Why are there no dates on community wiki questions

While "ordinary" questions have their birth time readily visible above the original poster name, it seems like the only way to find out when a CW question has been asked is to view its revision ...
4 votes
0 answers
251 views

Border line MO-Math Stackexchange

Occasionally there are questions that are beyond the level of Math Stackexchange(they get few views and no responds) but also for whatever reason the consensus on MO is that such questions don't quite ...
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2 votes
0 answers
259 views

My question has been asked but not answered at all. What should I do?

My problem is somewhat similar to My question has already been asked, but not really answered? What should I do?. But in my case the question has not been answered at all. My first idea was to write ...
  • 833
10 votes
0 answers
585 views

Question mysteriously deleted

I answered a question earlier today. It asked something like for an element $g$ of a free group, does there exist a finite-index subgroup of the free group such that g is a basis element of the ...
  • 40.6k
4 votes
0 answers
234 views

What is the best time of the year to ask a question?

I wonder if there is any data on whether questions receive more attention in some months, while less in some others. Is it better to ask during Christmas or the summer break, at the beginning or at ...
  • 17.6k
27 votes
1 answer
1k views

Is it okay to put on your profile that you're looking for a job?

The title says it all. I do not see why it should be a problem, but I realize I have never seen anyone doing that here (or I forgot), so I ask.
  • 25.1k
25 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 ...
17 votes
1 answer
414 views

Is this question on OCR technology appropriate?

I often end up with PDFs of old math papers and books that are not searchable and cannot be highlighted (basically, they display like images). One way to make them searchable is to apply optical ...
  • 24.1k
3 votes
0 answers
142 views

How to tag questions about databases of mathematical objects?

On MO there were several questions regarding databases of (some type of) mathematical objects. You can see the list of questions I was able to find here. What would be correct tag for such questions? ...
8 votes
1 answer
948 views

A chemistry or physics version of MO

Is there a site, similar to MO, but devoted to chemistry or physics(A discussion site in high level university research )?
28 votes
1 answer
2k views

Jean-Christophe Yoccoz

I've heard today that Jean-Christophe Yoccoz passed two days ago: http://www.liberation.fr/direct/element/le-mathematicien-francais-jean-christophe-yoccoz-medaille-fields-est-mort_46692/ I think ...
  • 7,708
2 votes
0 answers
172 views

Research in Mathematics [closed]

First year mathematics PhD student here, and I'm wondering what these next few years are going to be like and how to get the most out of my research opportunities and contribute something valuable to ...
8 votes
1 answer
439 views

What to do with useful answers to questions closed as duplicates (or by some other reasons)?

Before the question Intuitive explanation of concentration of the measure for spheres has been marked as duplicate (correctly I believe), it has got an answer which might provide additional useful ...
3 votes
0 answers
127 views

Migrated question and email notification

It seems that a migrated question does not appear in the email notifications of its tags. Question: Should it appear? By migrated question I mean a question migrated on mathoverflow, and by e-mail ...
0 votes
0 answers
174 views

Can you suggest some negative point in this post

Can one suggest me some negative points in the following post with several downvote https://mathoverflow.net/questions/247716/topological-groupoid-structure-on-a-pair-s3-a Thank you
-5 votes
2 answers
366 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 ...
  • 257
14 votes
1 answer
602 views

FAQ on typesetting of formulae hard to find

You might have all noticed that https://mathoverflow.net/help/formatting does not mention (La)TeX. I believe this is a very important topic and should not be hidden in "advanced"; actually, a link ...
23 votes
1 answer
488 views

If I see spam together with mathematical content in an answer, should I edit out the spam?

The title almost says it all, except that I should say that 'spam' here has the strict meaning where a vendor inserts a unsolicited link to a page that advertises or sells a product. There may be ...
  • 51k
12 votes
1 answer
486 views

Altering the question in a way that makes an answer obsolete

I've seen that several times: an answer makes OP want to change the question in a way that would damage the answer. Obviously this should not be done. In fact I think it is better to delete the ...
0 votes
0 answers
212 views

Why is this question counted as "off topic"

Why is this question counted as off topic? Unreasonable application of mathematics to the other areas
10 votes
2 answers
625 views

Is bounties period sufficient?

I edit the quesion according to the comment of professor Edgar Is it reasonable to suggest to MO to extend the bountiess period from 7 days to 3 or 4 weeks? Can mo be an exception, according to ...
18 votes
2 answers
746 views

How can I tell if my question is appropriate to MathOverflow or if I should just put a bounty on it at Math.SE?

I have at least two questions which are about graduate level mathematics on Math.SE, but about which I have serious doubts regarding whether or not they are "research level". In other words, I don't ...
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13 votes
2 answers
903 views

Reappearance of (topology) tag

I have noticed that topology tag was created again. According to list of new tags it was created Jun 9 at 7:55. There are currently 3 questions having this tag. I was not able to find a discussion on ...
2 votes
0 answers
297 views

Do people want counterexamples in general topology that satisfy low separation axioms or high separation axioms?

When people ask general topology questions asking for a proof or a counterexample to a claim, people often do not mention whether they want a counterexample which satisfies higher separation axioms (...
11 votes
1 answer
721 views

Asking for explanation of a paper?

A few months ago I asked a question about asking very specific questions about a paper. Now, I would really like to ask for a general overview and explanation of the main ideas of an entire paper. ...
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39 votes
4 answers
2k views

A StackExchange website aimed at graduate students?

There has been a lot of discussion about questions that do not get answered on MSE, but are not considered 'research level' on MO and thus get closed. The problem seems to be that certain questions ...
-17 votes
1 answer
308 views

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 ...
36 votes
1 answer
1k views

How is it off-topic to ask whether the normalization of a local complete intersection is Gorenstein?

This question (which I did not ask) is whether the normalization of a local complete intersection domain is Gorenstein. Why was this closed as "off-topic"? Especially when this one, which asks ...
  • 24.1k
-2 votes
1 answer
164 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 ...
14 votes
1 answer
572 views

Would disallowing displayed equations ("double dollars") in titles be useful?

If a poster includes in the title some formula in enclosed between $$, like $$x^2+y^2=z^2$$ $$x^2+y^2=z^2$$ the title of the ...
8 votes
0 answers
744 views

Between math stack exchange and mathoverflow

Suppose that I posted a question on mathstack exchange and no one has answered it. In my opinion it is not enough reason to post it on mathoverflow but if I also awarded a bounty and still didn't get ...
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25 votes
2 answers
1k views

Slight downward trend in Q & A

I thought MO users might be interested in this graph constructed by Neal Young in a discussion at meta.cstheory about the more pronounced downward trend in cstheory. It shows MO Q&A activity ...
16 votes
0 answers
462 views

Site statistics: Effectivity of the advice to edit a question which is closed as "unclear what you're asking"

When a question is closed as "unclear what you're asking", it gets attached the following message: Please clarify your specific problem or add additional details to highlight exactly what you ...
  • 18.4k
9 votes
0 answers
236 views

Should delete votes add a post to the low quality posts review queue?

Presently, unlike "Very Low Quality" flags, delete votes do not add a post to the "Low Quality Posts" review queue. -- Should they?
  • 18.4k
9 votes
0 answers
821 views

Probable Homework

This post asks for the solution of a problem subject to various artificial constraints of the sort that frequently arise in homework problems. When asked repeatedly why he wants to impose these ...
-5 votes
1 answer
505 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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