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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184 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 ...
18
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2answers
540 views

What's the point of having an *MO* chat without LaTeX enabled?

The title says it all. :-) In response to the automatic disapproval of the question body: I tried to edit the chat messages after submitting but couldn't figure out how to do that either. (And I ...
13
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3answers
644 views

Flagging spam user

I just noticed an "Autobiographer" badge awarded to this unusually named user: https://mathoverflow.net/users/117744 . I immediately moved to flag this obviously spam account, only to realise that ...
1
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0answers
91 views

Migration site list lacks entries

The question What is the integral of temperature over space called? obviously belongs elsewhere. Most probably the proper place is physics.SE, but in any case not here on meta, not on math.SE, and not ...
31
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4answers
1k views

How does one cite a MO post with an anonymous author?

I asked the question "Averaging $2^{\omega(n)}$ over a region" because this is a necessary step in a research paper I am writing. The answer is detailed and does exactly what I need, and it would be ...
2
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1answer
134 views

More than 1 question in a thread

Is it bad practice to ask more than $1$ question in a MO post, like here?
11
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2answers
560 views

If I can't get an answer on math.stackexchange.com or dsp.stackexchange.com, when should I post here?

I have a question about finite fields that I posted on math.stackexchange.com a few weeks ago, for what seems to me like a tough problem, and I haven't gotten an answer (or figured it out myself). ...
80
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0answers
2k views

Donations to MathOverflow, Inc

Long time followers of MathOverflow will know that as well as the website, hosted by StackExchange, and moderated by the moderation team with all of your help, there is an independent 501(c)(3) ...
9
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1answer
634 views

On flagging: what is “research level” *or* does it make sense to flag a question with positive vote ratings?

I like to contribute to MO by flagging questions that I think are rather general and thus more suitable for e.g. Mathematics.SE. Recently it is becoming clear to me that my idea of "research level" is ...
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1answer
235 views

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 \...
18
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0answers
704 views

Which “non-arxiv” tags are de facto top-level tags?

The tag system on MathOverflow is designed in such way that each question should contain top-level tag; these are the tags which correspond to subject areas on arXiv and generally have format such as ...
-11
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1answer
156 views

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 ...
15
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2answers
671 views

Flagging old questions for closure

Someone has recently been flagging lots of very old questions for closure as "primarily opinion-based" or "off topic". In my opinion, there is no good reason to close very old questions, especially ...
2
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1answer
100 views

Where can one find out details about the arXiv trackback feature? Can we have our own?

I stumbled completely by accident on the meta question Did ArXiv trackbacks for MathOverflow stop working again since September 29th 2016? and was really fascinated to learn that arXiv has this ...
10
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1answer
581 views

Is MO the place to explore whether a problem has been considered or solved by mathematicians?

I am a university AP and I like composing problems (not for kids, not for practice). Oftentimes I don't know whether or not the problem has been considered or solved by other mathematicians. Is ...
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0answers
38 views

Should I accept an answer to the “concrete” part of my question and ask another one about the “vague part”?

Suppose I am trying to prove a certain statement $S$ and find that a certain plausible statement $T$ implies $S$. However, I don't think that they are equivalent, and so there are possibly other ...
7
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0answers
313 views

There is no an answer button for certain Wiki question

Edit: My problem has been solved about 12 hours after that I wrote this meta post. I wish to answer this question but it seems that it is impossible to answer it. It is written that "To ...
14
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1answer
1k views

Are there universities that take your MathOverflow score seriously

When being considered for a position at a university as a post doc or phd or professor, does your MathOverflow account mean anything. Are there any universities that take this seriously when looking ...
11
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0answers
336 views

One more reason to reject an edit: too much alteration

I encountered this now, and have seen it quite frequently before: I would like to reject an edit, and the reason is something between "attempt to reply" and "clearly conflicts with author's intent". ...
26
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4answers
1k views

Should users be shown some basic information before posting the first question?

In an answer to another question discussing possibilities how to decrease the number of off-topic questions1 it was mentioned that: Perhaps we should force a person to read the rules before posting ...
13
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4answers
544 views

Retract a question when its resolution comes out to be trivial and some premise in title is likely wrong?

Just found out that my question A Zsigmondy-theorem-analogy in the generalized Collatz-problem $3x+\rho$? has a quite trivial solution and the premise (the analogy to a known numbertheoretic theorem (...
39
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2answers
1k 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 ...
2
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1answer
451 views

MO Twitter presence?

I wonder if there should not be a MathOverflow Twitter presence, somehow generated automatically, perhaps from the few HotNet Questions to which MO questions ascend to that list? There could be some ...
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1answer
289 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 $\mathscr P_{Def}$), $\...
2
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0answers
80 views

“Have you considered to accept or start a bounty”

There are some questions of mine with answers which I did not accept them,yet. Some of them (but not all of them) has an statement on the above of its title in the question list,...
10
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2answers
474 views

the number of on line users at a given moment

Is there a way to realize that, at a given moment, how many users are (MO) on line? Thank you
1
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1answer
120 views

The “Oldest” answer

Assume that a given question has several answers. So in the answer part there are 3 button "Active", "Oldest" and "Vote" When we clique on "oldest", we lead to a unique answer. Is ...
27
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1answer
768 views

Using MO as a platform to discuss papers in math?

A use case scenario: I am reading a paper and I get stuck on some point. It is obvious to me that everyone else who tried to understand this point would get stuck. I ask around, people either haven't ...
1
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1answer
195 views

“The Devil and Simon Flagg” in Квант

Did any of you ever read the translation into Russian of A. Porges' "The Devil and Simon Flagg" which was featured in the magazine Квант once? If so, could you tell me the issue in which it appeared? ...
1
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0answers
65 views

Can one un-(vote to close) a question without voting to reopen?

Scenario (and it actually happened): I was first to vote to close a question as too broad; OP modified the question in such way that my objection did not apply anymore; this modification resulted in ...
2
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1answer
109 views

Should be simply “no answer” among bounty reasons

I am going to declare a bounty on a question simply because I hope it will additionally stimulate at least somebody to think harder on it. Among the reasons I could choose is "Draw attention", which ...
9
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1answer
558 views

Non-accepted answers “better” than the accepted one - what to do?

This seems to be a rare phenomenon, actually I only know one example of it. The question Alternate definition of ordinals ? is very interesting. It has three answers, one accepted by OP with zero ...
1
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1answer
269 views

Paper request(s)

Can we have a thread here where one might ask for help accessing to some papers ? E.g. If someone has access to https://projecteuclid.org/euclid.dmj/1077468920 Pairs of commuting matrices over a ...
0
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1answer
327 views

Re-Posting on Math.StackExchange

Here is the link to question: Counterexample Required (Standard Notations) Perhaps it seems that I am being overly impulsive by posting this (and maybe that is right). But after looking at all the ...
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2answers
330 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." (...
1
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3answers
182 views

How to find the meta-thread of an MO-thread at hand? Is there one? Should there be?

Questions. (0) How to find out for an MO question at hand whether it already has anything like its canonical meta-thread? (1) Should, in your opinion, every MO question automatically generate a meta-...
14
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1answer
458 views

Correcting links with university proxy (especially MathSciNet links)

Let me first say, that I consider links to papers referenced in MO posts a useful things. And so do other users, judging by an older discussion on this topic: Is it worth editing old posts to add ...
0
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0answers
153 views

Big Ideas and Proofs Originating on StackExchange or Overflow? [duplicate]

Just a random, fun question I was kind of curious about; sorry if I tagged it incorrectly. I'm wondering if there are any famous StackExchange or Overflow posts (math, physics, comp sci etc) where ...
10
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2answers
388 views

What to do with a question answered in pieces?

I asked a question with multiple sub-questions, all in the same theme. There are four answers, which together answer the whole question without significant overlap. I'd like to move this question ...
2
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0answers
120 views

Browser crashes

For some odd reason, this seemingly innocuous MO question crashes every browser with which I try to open it on my iPhone. (This remains true after a phone reboot.) It opens perfectly well on other ...
1
vote
1answer
183 views

Migration from mathoverflow to other stackexchange sites

I've never figured out how "migration" works, but I've repeatedly seen its existence mentioned, and I've seen migrated questions. Thus when I posted a question about the shape of the earth to math (...
2
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0answers
151 views

Is this question out of place?

Is this question out of place here, as I could not garner any attention/comment? How would you classify this and what would you suggest, in a situation similar to this question.
7
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2answers
346 views

Flagging Low Quality Questions

For questions of extremely low quality that are sure to get closed anyway, do the moderators still want flags? Or is that just cluttering up their mailboxes to no purpose?
2
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0answers
100 views

Hadamard product (and other ambiguous tags)

There is this tag, hadamard-product; as can be seen e. g. on the Wikipedia disambiguation page, it can have four different meanings. I for one, attracted by it in a recent question (I badly need to ...
5
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0answers
400 views

What is the correct way to handle questions with deprecated tags?

Occasionally some tags on MathOverflow are deprecated - it is decided that they should no longer be used. If a deprecated tag is only used in a few questions, then it can be removed manually - the ...
2
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1answer
578 views

Annals of mathematics, why “second series”?

I'm not sure if this question should be posted on overflow. So I put it here first. I see the abbreviation of the journal Annals of mathematics is always like Ann. of Math. (2). I'm confused why it ...
23
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3answers
1k views

“Newbie-style” questions: is there an “official” viewpoint of MO?

(Neil Strickland provided a link to early graduate level questions: MO or Math.SE? which more or less answers this, so I have marked it as a duplicate) Every now and then I encounter questions which ...
3
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0answers
153 views

Can I ask for criticism of a paper or theory?

Can I ask for criticism or improvement advice for a paper or theory available online?
3
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0answers
91 views

Not a duplicate, but

Just encountered two questions, ADE type Dynkin diagrams and Is there a common genesis for ADE classifications? IMO, they are very-very similar, but this is not really a duplicate case, rather, ...
2
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0answers
164 views

I loose a question

I remember that I had asked a question about obstructions for a $n^2$ dimensional vector bundle for which the fibers admit a structure of matrix algebra. I do not remember ...