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23 votes
0 answers
889 views

Request to keep an eye out for PROMYS admissions problems

Many of you may be familiar with PROMYS, a camp based out of Boston University which teaches number theory to high school students each summer. Students applying to the program are asked to submit ...
7 votes
2 answers
155 views

Previewed post does not match rendered post when MathJax uses *

In revision 2 of Number of permutations in $S_{a + b}$ with $\operatorname{maj}(\pi) = b$ and $\operatorname{maj}(\pi^{-1}) = b$, I edited an equation that had been manually given the label ...
  • 9,077
9 votes
0 answers
78 views

Feature request: question title should appear above question preview

Just a minor niggle - when I'm reviewing my question, one of the things I want to review is the title. It would be nice if the title appeared just above the preview of my question, so I could review ...
  • 345
15 votes
1 answer
519 views

What does the graph of MO questions-and-links look like?

Consider the graph $G$ whose vertices are MO questions and edges are links between the questions. What does $G$ look like? I'm happy to define a "link" in the same way the SE software seems ...
  • 52.7k
1 vote
1 answer
152 views

Is this the right community for "under-the-hood" math questions?

I've posted a few questions in the Mathematics Stack Exchange community asking about theoretical concerns, such as "Why is $\frac{\frac{1}{x}}{\frac{1}{x^2}+1}=\frac{x}{x^2+1}$ true for all $x$?&...
10 votes
1 answer
198 views

Loophole to avoid closure: deletion + bounty?

Recently a question was asked in a manner which seems somewhat inappropriate to me (independent of the value of the question). Specifically, it seems that: The OP asked the question and then ...
26 votes
4 answers
720 views

Which Latex / MathJax features do we need or want to have supported on the site?

As we've started discussing, Stack Exchange is planning to redo the editor for all questions and answers across all their sites. As articulated by Emilio Pisanty, these changes will have significant ...
  • 52.7k
50 votes
2 answers
1k views

Nudge: the new Stacks editor has significant implications for this site

You have probably seen already a link, on the Featured on Meta sidebar, to an announcement of an upcoming upgrade to the text editor on Stack Exchange, Opt-in alpha test for a new Stacks editor. As a ...
34 votes
6 answers
3k views

How can we attract more grad students?

To quote an answer to a recent meta.MO question: Here are some examples of people we would like the site to be welcoming to: Prominent mathematicians who are less "online" than the typical ...
  • 5,566
0 votes
2 answers
138 views

Why is my question is closed and do I get views?

I have a question about my MathOverflow post: the minimum amount of x, x(x(125x + 300) + 240) + 64 is zero, what is 5 times of x? Why is my question is closed and do I get views?
user avatar
34 votes
4 answers
1k views

Answers in comments are increasingly more common

I have checked a random sample of questions in the main page, and it seems that almost every one of them has some form of answer in the comments, apart from completely unanswered/untouched ones. This ...
7 votes
0 answers
299 views

2020: a year in moderation

As we say goodbye to the old year and welcome the new one, we have a tradition of sharing moderation stats for the past 12 months. As most of you here are aware, sites on the Stack Exchange network ...
  • 101
2 votes
1 answer
58 views

Why isn't the link processed in this comment?

At The concept of duality, it looks like the link in the comment is perfectly well formed. Why isn't it parsed as a link?
  • 9,077
9 votes
2 answers
693 views

Do we use the downvote button more than other sites?

Is there data available (besides crawling thousands of questions) on how often we use the downvote button, and how quickly? The motivation for this question is Carlo Beenakker's recent answer on MOM. ...
  • 7,271
5 votes
0 answers
113 views

Is anybody else not seeing comments on their iPhone?

Starting last night I can no longer see comments when using the site on my iPhone, nor can I comment. Things are fine on my iPad just not my iPhone. I am wondering if anybody else has ever had this ...
9 votes
9 answers
2k views

What do we mean by welcoming when we're a site aimed at researchers?

I was just browsing the main page this morning, and I decided to look at some of the posts by new people. One of the questions had garnered three votes to close and a comment from a regular user to ...
4 votes
1 answer
107 views

Why is my feature-request not showing on meta?

I posted my feature request (Feature request: a possibility to leave mathoverflow) yesterday, yet it is not showing on the list of most recent questions. I thought it might be the negative votes but ...
  • 25.1k
14 votes
3 answers
875 views

Scope and mission of MathOverflow

I followed with much interest the recent discussions on Meta about the community being perceived as unwelcoming to outsiders and the importance of looking for solutions (if any). In order to do this, ...
-8 votes
1 answer
507 views

A radical proposal on votes and reputation

I was trying to explain the current controversy how “welcoming” MO is to a non-mathematician friend. The current best hypothesis for why MO is either attractive or repellent in general is that it has ...
  • 16.8k
15 votes
5 answers
2k views

MathOverflow policymaking and transparency

There goeth rumours abroad that some off-site groups are seeking a private forum together with the moderators here in order to make policy for MO. I hope that the moderators will commit to ...
22 votes
4 answers
741 views

Customize the modal window for the first-time askers [duplicate]

When a user asks their very first question on a Stack Exchange site, they are shown a modal window with a short advice. The content can be either a generic message or it can be customized for a ...
5 votes
1 answer
290 views

Once a thread is deleted, is it really too late to bring it back?

I was under the impression that "deleted" threads were still visible by moderators or other high-level members of the community. Is this correct? If a post was deleted that shouldn't have ...
4 votes
2 answers
161 views

"Scope" of being blocked from asking

As you know well, when one attempts to delete a question that has already received an answer, the following message is displayed. "Repeated deletion of answered questions can result in your ...
1 vote
0 answers
86 views

Appropriateness and cross-posting

I am interested in this question on math.stackexchange. To me it is interesting because while it looks "obvious" that there isn't a solution with 6 turns (I have some very partial results ...
  • 312
0 votes
2 answers
220 views

A question of notation: what does $x\lt y\in S$ mean? [closed]

I've seen expressions like $x\lt y\in S$ used on this site to mean "$x\lt y$ and $x\in S$ and $y\in S$." This has me worried because I sometimes use $x\lt y\in S$ to abbreviate "$x\lt y$...
  • 8,856
27 votes
3 answers
2k views

What are our procedures if a user complains about harassment or abuse?

Context for this question: I am writing an article on MathOverflow for the Notices of the AMS. One thing I try to address is the apparent gender skew of our website. One of the readers of my draft ...
0 votes
0 answers
78 views

Can I ask for advice or opinions about the choice of a variant of a theory?

Basically, I have 2 versions of a theory. This is like having two competing theories of complex numbers, one where $i^2=-1$ and the other where $j^2=1$ (hyperbolic numbers) or extending reals with $+\...
  • 8,634
3 votes
1 answer
82 views

`\DeclareMathOperator` at the beginning of a comment disables some link parsing

In a comment of the form $\DeclareMathOperator\a{a}$Here's a [link](http://mathoverflow.net) and [another link](http://mathoverflow.net) $\a$, neither link is ...
  • 9,077
9 votes
5 answers
276 views

Is it possible to temporarily comment out part of a post?

Scenario (true story): after posting something I became doubtful about certain claim there, so I want to hide it until I clarify my doubts. Of course I could just move that part to a temporary file, ...
12 votes
1 answer
267 views

Should we have a tag for second-order logic?

There are a number of questions on this site about second-order logic (admittedly I may have asked a few more of them than is reasonable). For example, searching "second-order logic" (in ...
1 vote
1 answer
92 views

Question visibility and reputation

I wonder whether the visibility of a post changes according to the user's reputation asking the question. Is it also known if a user's posts' visibility is affected by other actions, like having ...
-8 votes
1 answer
167 views

Is it allowed to use images for pasting math formula?

Is it allowed to use images to paste math formula in mathoverflow.net ? I think this is high efficiency, and few people search math questions by LaTeX.
  • 101
11 votes
0 answers
388 views

Utility of Mathematics: Is this question appropriate here, and if not/if so, how can I phrase it better?

I would like to know if this question is appropriate for Math Overflow, and if so, how I can phrase it better to get the best results. Question: I recently spoke with a very nice mathematician who ...
  • 101
4 votes
0 answers
347 views

Question on topic for Mathoverflow?

My question, asked months ago, was well received. Now... I'm wondering if this question is on-topic for MathOverflow: Consider a semi-Riemannian manifold $\zeta^{2,2}$ with metric, $g=\frac{dxdy}{xy}+...
2 votes
1 answer
240 views

Questions seemingly/apparently/ostensibly too elementary for overlfow

Well I don't really get notifications of flag responses sooo... Nov 6 at 14:01 helpful - I suggest you take this up in meta; there is not enough space to answer here. But there are a number of ...
  • 229
0 votes
0 answers
98 views

Please help me improve my Q&A and possibly reopen certain questions

Prepare to downvote me. But don't think of not downvoting me just because I pre-emptively self-deprecated myself to put a show of humility. Just pretend I'm as arrogant as I may be perceived to be in ...
  • 229
1 vote
0 answers
62 views

Why is the ‘mathematical logic’ tag spelt [lo.logic]? [duplicate]

On MathOverflow, questions about mathematical logic bear the tag lo.logic, which has a synonym of logic. Where did this lo.logic spelling come from? Why is it not ...
2 votes
1 answer
119 views

Is linking to comments possible?

I vaguely remember seeing links to comments somewhere, was it a dream or it is indeed doable?
13 votes
0 answers
808 views

Vandalism edits by apparently-anonymous users

There is an answer to an old community wiki question that was edited about 45 mins ago to make it sexually explicit, with a second attempted edit pending approval to make it even more so. I rejected ...
  • 7,271
4 votes
2 answers
88 views

How to tell who created a tag?

The "stats" section of a tag's page says how long the tag has existed, and the tag description history says who created the tag description. However, I don't see how to find who created the ...
3 votes
2 answers
303 views

How can this question have more downvotes than views?

An off-topic question recently appeared on the main site. It was heavily downvoted and got deleted after only a few minutes. But at one point before the question was deleted, I noticed it had been ...
  • 8,861
-1 votes
1 answer
111 views

Site for reviewing articles, formulas, theorems, etc?

This question might be weird, I wouldn't feel bad if it is closed. I know that MathOverflow is for mathematicians and math StackExchange for people studying math at any level. But questions like "...
user avatar
0 votes
0 answers
96 views

Why did my profile picture disappear?

I discovered few days ago that my profile picture is gone, had to reupload it. Did anybody else encounter this? Do you know the reason?
-1 votes
1 answer
256 views

Are new users with inappropriate questions given help or rudely dismissed?

I often see questions like this: co.combinatorics - Given index $i$, what element is at position $i$ in sorted subsets that are obviously better suited for the Math.SE site. This particular question ...
14 votes
2 answers
462 views

Is there left any way to highlight part of text after all?

Currently we have quotes, but the quoted text looks more faint than the surrounding text The vertical bar hardly helps, I believe. In fact I think (although I cannot explain it) that this bar ...
10 votes
0 answers
538 views

Bounty awarded to an immediately deleted answer

Something peculiar has just happened. A week ago a 300 point bounty has been added to this question (I think its content is hardly relevant to this meta question) [note: the bounty was added by a user ...
  • 24.6k
6 votes
2 answers
354 views

Creating theories-of-arithmetic logic tag

It seems to me that a tag for "arithmetic logic" is missing while it concerns a significant number ($\sim 500?$) of questions, which currently have no common tag other than the very broad lo....
  • 54k
0 votes
0 answers
186 views

I want to answer a closed question

Please reopen this question: A problem of an infinite number of balls and an urn I have a nice answer. (Added (DR): now re-opened. Please note there are ten deleted nonsense answers, which I imagine ...
  • 8,634
6 votes
0 answers
261 views

Platform-wide suspenson but not on MO?

At this closed question the user seems to be playing ignorant, but I looked at their network profile and some of the other StackExchange sites, and there is a prominent banner This account is ...
  • 31.8k
-1 votes
2 answers
152 views

Should "does anyone access this paper" questions be community-wiki?

Should questions consisting in barely asking for a copy or link to some given paper be community-wiki? A recent example, among others, is and Reference of J.L. Waldspurger's paper on Shimura ...
  • 54k

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