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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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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) ...
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0answers
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PhysicsOverflow just went live

The new site is now up and running (outside the SE network) here http://www.physicsoverflow.org PhysicsOverflow is meant to be some kind of a rebirth of the untimely passed away Theoretical Physics ...
44
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0answers
955 views

ImageShack images turning into ad banners

It's been fairly well known for some time that ImageShack is a poor image host for Stack Exchange, because they frequently delete old images and replace them with placeholders. Recently, however, ...
42
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0answers
929 views

An interactive graph of MathOverflow tags

I created a graph of tags from Stack Exchange sites (including MathOverflow), TagOverflow. It is a continuation on my previous project - plots with static graphs and (sadly) without MO (due to API ...
37
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0answers
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 ...
36
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0answers
454 views

Happy 4th anniversary, MathOverflow!

As some will cerainly know today (September 28th) is MO's anniversary, its fourth to be precise. Since this year it appears there is no system-message to celebrate the event, I thought I create this ...
34
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0answers
562 views

Revamping the closure reasons

Motivation 1 Currently the custom off-topic reasons for MathOverflow read: This question does not appear to be about research level mathematics within the scope defined in the help center. ...
31
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0answers
879 views

2013 Election Results

The election process is over, and now it is time to declare the winners: Good luck in the new position, I'm sure that you'll prove to be a great addition to the community and its moderators! On ...
26
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0answers
722 views

“A year in moderation” post on MathOverflow?

You might have noticed than many Stack Exchange sites have some statistics about both community moderation and moderators' activity posted on meta under the title "2018: a year in moderation". Here is ...
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0answers
910 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 ...
21
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0answers
645 views

Should “The probability for a streak when tossing a coin” be reopened?

The question "The probability for a streak when tossing a coin" is on hold. [Edit: It has been reopened.] I disagree with closing the question and voted to reopen. This problem may sound like it is ...
20
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0answers
787 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....
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0answers
1k views

Increase in unexplained downvotes on (old) questions/answers?

I recently received a downvote without comment on a question and all of its answers, which are good independent of the value of my question imo. I’ve also had two other questions receive similar ...
19
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0answers
390 views

The message “User was removed” can be ambiguous

You could save me a few heart attacks :-) by changing the message to the more clearer "Voter was removed" (or whatever you see fitting). I first thought I was removed (maybe on another suboverflow, ...
19
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0answers
1k views

Passing of John Nash

I'm sorry to report the sad news that John Nash has died. Requiescat in pace.
18
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0answers
575 views

Effects of the Stack Exchange 'update to Terms of Service' on MathOverflow

Do the recent changes to Stack Exchange Terms of Service affect MathOverflow in any way -- and if yes, what are the concrete effects?
18
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0answers
698 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 ...
18
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0answers
514 views

What “lattices” do we need?

The tag lattices is a problem since a long time. Over the years there were varied discussions about this, but no clear resolution emerged, though some things were done to better the situation. This is ...
17
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0answers
443 views

Removing questions after answers

I recently gave a simple counter example to a question posed (I'm sure the mods can see the question). Probably the user was embarrassed by this. The question was promptly deleted and with that my ...
17
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0answers
249 views

Reviewing first posts that are answers or late answers

When reviewing first posts that are answers or late answers to questions that have existing answers I invariably go to the original question to see these answers since I want to check if these new ...
17
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0answers
651 views

Help! Help! The colors are off!

I have a deja vu. Are the colors wrong, completely?
16
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0answers
461 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 ...
16
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0answers
498 views

Recurrent posting about «Matrix polynomials» and so on

MO is currently being the focus of what I guess to be a single particular individual R.T.Man sporting multiple unregistered users identity (like Eskand or H.night). S/he's asking multiple very similar ...
16
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0answers
542 views

area 51 proposal - Math review

Recently I created a new proposal at area 51; it's called Math Review (http://area51.stackexchange.com/proposals/90443/math-review), and it is intended to be a Q&A site concerning troubles one ...
16
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0answers
286 views

Redundant ways to close as off-topic/better on MSE

Right now, there are 4 ways to vote to close a question as off-topic. "This question does not appear to be about research level mathematics within the scope defined in the help center." "...
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0answers
408 views

Studying the MathOverflow data dump with Mathematica

This is just a mention of some work Wolfram has done recently, allowing you to import a database dump of MathOverflow and analyse it within Mathematica. The Data Science of MathOverflow Their ...
15
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0answers
805 views

Can we please reopen the colorful language in mathematics question?

A long time ago, the question What are some examples of colorful language in serious mathematics papers? was closed because someone posted a copy of Spencer Bloch's review of Milne's Étale ...
15
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0answers
1k views

Suspected foul play with a triple of questions

A little while ago someone asked (now deleted, but link still here: https://mathoverflow.net/questions/314572/advice-on-how-i-can-i-publish-my-solution-of-the-riemann-hypothesis?noredirect=1#...
15
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0answers
370 views

How to re-ask an old question?

I would like to know whether there has been progress in the last five years on the 2011 question H^4 of the Monster. Given the discussion there (and also given what else I know of the field), it seems ...
15
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0answers
420 views

Question was deleted, I'd like to know the answer or contact the poster

This question (now deleted) asked for a way to compute generators for $I \cap \mathbb{Z}[z_1,\ldots,z_n]$ as an ideal of $\mathbb{Z}[z_1,\ldots,z_n]$, given generators $f_1,\ldots,f_m \in \mathbb{Z}[...
15
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0answers
623 views

“Questions” of the type “I have written something, please give me feedback”

I have now today seen several questions (this and this) which asks for feedback on research articles, rather than stating explictit questions. There is of course a gray zone, but I wonder a bit what ...
15
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0answers
364 views

Area 51 proposal: History of Science And Mathematics

I've created a new proposal on Area 51 for a Stack Exchange focusing on the history of mathematics and science. As a math student, I am constantly studying the history of the subject. I feel that ...
15
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0answers
502 views

Thank you letter!

I am quite aware that meta has not designed for what I am about to write, but I cannot help myself. This concerns a recent "question" on MO: US editors and reviewers vs Iranian Authors? Indeed, it ...
15
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0answers
687 views

The 6 semi-essential meta questions of every SE 2.0 upgrade

In the spirit of The 7 Essential Meta Questions of Every Beta I realized that there were a few things that needed to be decided by a large site that has suddenly gone SE 2.0. Initially I planned to ...
14
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0answers
431 views

The existing deprecated tags should be blacklisted

TL;DR: I suggest to blacklist the deprecated tags that still exist on some questions, in order to prevent them from being added to new questions. There are a few tags which are deprecated and should ...
13
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0answers
277 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 ...
13
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0answers
618 views

Users with many questions having negatives votes

I am a bit hesitant to bring up this issue, but since it does bother me a good deal here goes. It has similarities with this other meta question but with a more objective edge maybe. It is a fact ...
13
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0answers
482 views

Should this teaching question about Graph Theory be reopened?

Should What (fun) results in graph theory should undergraduates learn? be reopened? In the comments, Andrej Bauer suggests that it is should be moved to Math Educators Stack Exchange, while Fedor ...
13
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0answers
523 views

Is this question appropriate for MO? (Recognizing cohomological ideas)

About two weeks ago I asked this question on MSE: https://math.stackexchange.com/questions/1085946/when-should-i-be-doing-cohomology. (Short version: what are some ways I can tell that some sort of ...
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0answers
421 views

Should/may I delete this flawed question?

Two days ago I asked the following question: Does a lisse $\ell$-adic sheaf give rise to an affine group scheme? Even though I had been thinking about the question for half a week, I was half an hour ...
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419 views

Asking exactly what you need

If you compare my remarks in Do partitions of unity exist if we impose additional conditions on the derivatives? and Exponential sums you'll see that the problem and my request were exactly the ...
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351 views

MathOverflow Weekly Newsletter / Greatest hits from previous weeks

I don't know how many look at the MathOverflow Weekly Newsletter, but these were the "Greatest hits from previous weeks": "Video lectures of mathematics courses available online for free" from Feb ...
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0answers
283 views

Will MO have Community Promotion Ads?

Community Promotion Ads seem to be a useful tool for helping spread various links that might be useful for users of the site. I have mostly encountered them at MSE. I have learned several ...
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0answers
422 views

Use of arXiv tags

When MathOverflow began we decided to start using arXiv classification and created corresponding tags. These are still the most broadly used tags on MathOverflow. However, the usage of some these tags ...
12
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0answers
573 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 ...
12
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0answers
406 views

Removal of the “symplectic” tag

There is a symplectic tag on MO that currently contains just two questions. The first question so tagged dates from March 26 2017, so this makes this tag at least 1 year and 4 months old. I believe ...
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0answers
584 views

Learn from my mistake

The question "What is the spin connection in 9 dimensions as opposed to 5 dimensions?" received two down votes. I would like to know what I can do to improve the quality of this question. Thank you ...
12
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0answers
335 views

OpenScience Q&A just went live

Perhaps you are aware of the fact that there was an Open Science private beta at StackExchange that did not quite manage to develop enough traction so it was closed down recently. Some people want to ...
12
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0answers
511 views

2% of viewers vote?

Maybe this is not possible to quantize accurately, but might it be the case that Q. Approximately 2% of those who view a posting on MO vote +/- on the question? That's approximately true for my ...
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0answers
627 views

Is the following question on paper-writing etiquette appropriate for MO?

I'm wondering if it would be appropriate to ask a soft question on MO regarding mathematical etiquette. In more detail, I'm writing a paper that cites a well-known paper in my field, but I've been ...