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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?
LSpice's user avatar
  • 11.4k
9 votes
2 answers
747 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. ...
Alec Rhea's user avatar
  • 9,009
4 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 ...
Benjamin Steinberg's user avatar
9 votes
9 answers
3k 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 ...
Harry Gindi's user avatar
  • 19.4k
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 ...
Joël's user avatar
  • 25.8k
15 votes
3 answers
894 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, ...
Francesco Polizzi's user avatar
-8 votes
1 answer
517 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 ...
Monroe Eskew's user avatar
  • 18.1k
16 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 ...
Harry Gindi's user avatar
  • 19.4k
21 votes
4 answers
780 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 ...
Martin Sleziak's user avatar
5 votes
1 answer
293 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 ...
silvascientist's user avatar
4 votes
2 answers
179 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 ...
Penelope Benenati's user avatar
1 vote
0 answers
92 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 ...
Fabius Wiesner's user avatar
0 votes
2 answers
250 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 "$x\lt y$...
bof's user avatar
  • 11.9k
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 ...
David E Speyer's user avatar
0 votes
0 answers
79 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 $+\...
Anixx's user avatar
  • 9,312
3 votes
1 answer
113 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 ...
LSpice's user avatar
  • 11.4k
9 votes
5 answers
284 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, ...
მამუკა ჯიბლაძე's user avatar
12 votes
1 answer
287 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 ...
Noah Schweber's user avatar
1 vote
1 answer
97 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 ...
M.Ivanov's user avatar
-8 votes
1 answer
208 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.
244boy's user avatar
  • 101
11 votes
0 answers
390 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 ...
trujello's user avatar
  • 101
4 votes
0 answers
349 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}+...
geocalc33's user avatar
  • 101
1 vote
1 answer
257 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 ...
BCLC's user avatar
  • 247
1 vote
0 answers
67 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 ...
user3840170's user avatar
3 votes
1 answer
140 views

Is linking to comments possible?

I vaguely remember seeing links to comments somewhere, was it a dream or it is indeed doable?
მამუკა ჯიბლაძე's user avatar
13 votes
0 answers
815 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 ...
Alec Rhea's user avatar
  • 9,009
5 votes
2 answers
99 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 ...
Noah Schweber's user avatar
3 votes
2 answers
366 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 ...
Julian Rosen's user avatar
  • 8,941
-1 votes
1 answer
113 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
629 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?
მამუკა ჯიბლაძე's user avatar
-1 votes
1 answer
261 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 ...
Ray Butterworth's user avatar
14 votes
2 answers
521 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 ...
მამუკა ჯიბლაძე's user avatar
10 votes
0 answers
545 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 ...
Wojowu's user avatar
  • 27.4k
4 votes
3 answers
577 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....
YCor's user avatar
  • 60.4k
0 votes
0 answers
187 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 ...
Anixx's user avatar
  • 9,312
6 votes
0 answers
265 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 ...
David Roberts's user avatar
  • 33.9k
-2 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 ...
YCor's user avatar
  • 60.4k
6 votes
0 answers
89 views

Dollar sign in image title works in preview, but not in actual post

I was just trying to clean up Understanding why $\pi_{3}(N) = \mathbb{Z}_{(2n, n^2)}$? , which was originally almost entirely cut-and-pasted images without any alternate text. For the first image, I ...
LSpice's user avatar
  • 11.4k
10 votes
0 answers
312 views

What should you do if you find old duplicates?

Sometimes I discover that "old" MO questions are duplicates of even older MO questions. Two examples: Embarrassingly, I found out that my own question: Formula for number of permutations ...
Sam Hopkins's user avatar
  • 22.9k
2 votes
0 answers
262 views

Is asking about name of a curve a research level question?

In my opinion this post is not a research level topic but surprisingly it has been received 22 votes. Is the linked post a research level question and appropriate for MO? I think it is more ...
C.F.G's user avatar
  • 4,165
14 votes
1 answer
368 views

Any policies around Dead links?

I have been reviewing a lot of older posts (~10 years old) and there are quite a few with links that are either dead or links that point to sites that no longer contain the relevant information that ...
JimN's user avatar
  • 255
14 votes
1 answer
323 views

Can I retag questions to get a topic badge?

This is just something I was wondering: I currently have 19 non-CW answers in real-analysis. Could I just go through my old answers looking for a question which involves real analysis but hasn't been ...
David E Speyer's user avatar
1 vote
1 answer
116 views

Updated questions

The following question of mine frequently appears as recently updated question so I frequently find it at front page. But neither me nor other participants did any revise or edit on this post and its ...
Ali Taghavi's user avatar
46 votes
6 answers
2k views

Should graduate students be encouraged to participate in MO? If so, at what stage?

When I started graduate school ten (!) years ago, a more senior Ph.D student at the time told me about MathOverflow and encouraged me to participate. Ever since then I have found it immensely useful. ...
Stanley Yao Xiao's user avatar
2 votes
1 answer
155 views

What is up with the "Question feed" vs. "Related Questions"?

When looking at a question, for at least the past few months I've noticed an inconsistency in what displays in the righthand sidebar. What I expect to see is a list of "related questions" -- ...
Tim Campion's user avatar
  • 61.6k
13 votes
1 answer
611 views

Did spacing increase recently?

Yesterday I noticed that line spacing in questions & answers is bigger than before, something like 1.5 Is there some global change, or is it a bug? Or maybe I do have a bug or something? Can I ...
მამუკა ჯიბლაძე's user avatar
10 votes
1 answer
342 views

How to report intrisically spammy user accounts?

Sometimes, I notice that some very odd username is listed on Home as having earned the "Autobiographer" badge, where by "odd" I mean something very much non-mathematical and ...
gmvh's user avatar
  • 2,758
0 votes
0 answers
111 views

Can I delete one of my posts that has been closed as off topic and received an answer with positive up-vote?

Can I delete one of my posts that has been closed as off topic and received an answer with positive up-vote? Should I delete all my posts that has been closed as off topic? (with/out answer)
C.F.G's user avatar
  • 4,165
5 votes
1 answer
281 views

How can this user have a negative year reputation?

How on earth did Noah Schweber (whose contributions to MathOverflow I always greatly enjoy) end up with a negative year reputation for 2020?
Dominic van der Zypen's user avatar
-3 votes
2 answers
2k views

Why have I been suspended from the ICM chat? General remarks about unwelcoming behaviour on MathOverflow

Although the below obfuscates the context which is undoubtedly relevant to what has happened, the following comments appeared to be reason enough for the moderators to ban me from the ICM chat. ...
Patriot's user avatar
  • 1,038

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