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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) ...
49
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0answers
5k views

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
968 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
votes
0answers
950 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 ...
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
570 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
886 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
733 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 ...
26
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0answers
590 views

The color of links in comments

In the following image, depicting a piece of a comment on MO.se the words «this link» are a link to some URL, yet the styling makes it quite not apparent; the only styling I can see is a ...
25
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0answers
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 ...
22
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0answers
662 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 ...
22
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0answers
198 views

Questions containing my “favorite tags” are barely distinguishable

I liked the fact that in MO v1, any question which contained one of my list of favorite tags was noticably highlighted (a brown-orange color, if I remember correctly). In the new version, such ...
20
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0answers
834 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....
20
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0answers
210 views

Visited / unvisited links in the questions / answers

I just posted a question and I noticed that unvisited links use a color that is difficult to distinguish ... but visited links are even harder to recognize. See the snapshot below from my Firefox 41....
19
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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
votes
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
577 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
706 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
votes
0answers
517 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 ...
18
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0answers
153 views

Making it easier to access hidden comments

This is a follow-up of this recent post, and hopefully a feasible suggestion. Problem: If a question/answer has many comments (say more than fit on my screen) and I decide to read them all, in ...
18
votes
0answers
190 views

Make edit history more accessible

Once a post has been edited once, there is a direct link to the revision history of the post that is visible to everyone as in this example: However, when a post has not been edited, this link is not ...
17
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0answers
454 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
votes
0answers
250 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?
17
votes
0answers
2k views

Can we replace client-side MathJax with server-side MathJax?

One of the (many) problems with MathJax is that formulas are rendered using a client-side JavaScript. Apart from the process itself being ridiculously slow, this also means that the entire page must ...
17
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0answers
374 views

Booth at Joint Mathematics Meeting?

This is identical to my misplaced "answer" here, written while attending JMM. I am reposting a fresh question at François G. Dorais's request. I wonder if it make sense, at some future Joint ...
16
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0answers
839 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 ...
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
499 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
547 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
288 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." "...
15
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0answers
426 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
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
375 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
426 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
633 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
370 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
votes
0answers
156 views

Converting a too-long answer in a comment should generate an error message

I just tried to convert an answer into a comment; it was too long for a comment, and the software just truncated the text. I think it would be better to either generate an error message, ask for ...
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
votes
0answers
689 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 ...
15
votes
1answer
466 views

Allow questions to be closed as duplicates of questions on math.stackexchange.com

We frequently have questions that are crossposted, e.g. https://mathoverflow.net/questions/137414/systems-of-parameters-for-algebra-a#question. The only options for now are to close as off-topic, ...
14
votes
0answers
176 views

Change reputation required to post on meta back to 5 reputation points

Typically, Stack Exchange sites have the restriction that only users with at least 5 reputation points on the main site can post on meta. In this regard, MathOverflow is different. (It is listed also ...
14
votes
0answers
452 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 ...
14
votes
0answers
231 views

Change of colors

I decided to follow up on my own thread regarding the color scheme, and test something up. Using archive.org, I loaded a copy of MathOverflow from 2011, and it turns out that the questions in one's ...
14
votes
0answers
273 views

Please enable the AMScd package by default

We can draw diagrams using the AMScd package, and works quite nicely (see Math.SE for a working proof). However, on MathOverflow the package seems to be disabled by default, so if a user wants to use ...
13
votes
0answers
470 views

Should moderators in some cases remove a question from the network-wide hot questions list?

Not too long ago - in March 2019 - some changes have been made to the Hot Network Questions (HNQ). Some of the new features are the limit on the number of hot questions from a single site, or limit on ...
13
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0answers
622 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
votes
0answers
488 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
214 views

Long MathJax in comment breaks linewrapping throughout the comment thread

A picture is worth a thousand words; here is what I am talking about, from the comments on this post. By posting a very long formula into MathJax, not only have I caused my own comment to run off the ...

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