All Questions

Filter by
Sorted by
Tagged with
11 votes
0 answers
386 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 ...
user avatar
  • 101
4 votes
0 answers
345 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}+...
user avatar
  • 157
2 votes
1 answer
237 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 ...
user avatar
0 votes
0 answers
97 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 ...
user avatar
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 ...
user avatar
2 votes
1 answer
113 views

Is linking to comments possible?

I vaguely remember seeing links to comments somewhere, was it a dream or it is indeed doable?
user avatar
13 votes
0 answers
807 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 ...
user avatar
  • 6,709
4 votes
2 answers
86 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 ...
user avatar
3 votes
2 answers
270 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 ...
user avatar
  • 8,811
-1 votes
1 answer
110 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
91 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?
user avatar
-1 votes
1 answer
254 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 ...
user avatar
14 votes
2 answers
455 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 ...
user avatar
10 votes
0 answers
534 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 ...
user avatar
  • 24k
6 votes
2 answers
353 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....
user avatar
  • 52.1k
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 ...
user avatar
  • 8,566
6 votes
0 answers
255 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 ...
user avatar
-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 ...
user avatar
  • 52.1k
5 votes
0 answers
80 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 ...
user avatar
  • 8,059
10 votes
0 answers
304 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 ...
user avatar
  • 19.3k
2 votes
0 answers
258 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 ...
user avatar
  • 4,045
14 votes
1 answer
354 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 ...
user avatar
  • 249
14 votes
1 answer
318 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 ...
user avatar
1 vote
1 answer
113 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 ...
user avatar
45 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. ...
user avatar
2 votes
1 answer
127 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" -- ...
user avatar
  • 50.4k
13 votes
1 answer
609 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 ...
user avatar
10 votes
1 answer
333 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 ...
user avatar
  • 2,489
0 votes
0 answers
107 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)
user avatar
  • 4,045
5 votes
1 answer
254 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?
user avatar
-4 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. ...
user avatar
  • 968
10 votes
5 answers
2k views

Questions, answers, comments or discussions on aspects of politics relevant to mathematicians on MathOverflow (main or meta)

Given the recent question here on meta about the deletion of a comment stating a political opinion on an answer which also stated a political opinion which sparked a lively debate, let me bring up the ...
user avatar
  • 18.2k
1 vote
0 answers
90 views

Why is an MO front-page question greyed out? [duplicate]

Why is symmetric monoidal double categories? on the MO front page greyed out?
user avatar
  • 8,059
22 votes
1 answer
5k views

Why was my dissenting viewpoint in a post about diversity censored?

In a question about special lectures for the ICM, the following answer proposed that a lecture on how to make the mathematical field more diverse be given. The answer contains some rather bold ...
user avatar
  • 968
6 votes
1 answer
309 views

Is it reasonable to expect that the number of upvotes is greater than the number of favorites?

Am I mistaken to think that logically the number of upvotes to a question should be greater or equal to the number of favorites? The small difference between these two numbers in this post: Examples ...
user avatar
-7 votes
1 answer
509 views

What is the best way to ask for comments on your proposed proof of some known theorem on MathOverflow?

Firstly, I apologize in advance if this post in not suitable for MO, but in my personal circumstances, I have no other place where I could post it. Suppose one is fairly convinced that they have found ...
user avatar
22 votes
1 answer
1k views

One person creating multiple Riemann Hypothesis-related accounts

I have been flagging these posts individually, but I thought maybe a meta question would be a good follow-up, in case the moderators are not aware of the behaviour. As @YemonChoi points out, the ...
user avatar
  • 8,059
1 vote
1 answer
392 views

Student trying to cheat in an exam

This deleted question (10k+ users only) is a student who just copied exam questions and wanted help, and admitted it in the comments to me before deleting the question. I would like this question to ...
user avatar
2 votes
1 answer
67 views

Why does Markdown not always work?

In this post, I selected text and marked it bold with two stars. But it displays for me (both in preview and after posting) like this: Is this related to the move to CommonMark as noted in the post, ...
user avatar
3 votes
1 answer
67 views

When are question titles auto-expanded?

Sometimes, pasting a link into the text auto-expands to the question title, and sometimes it doesn't. For example, to take a question transitively suggested by the related links: Is there an ...
user avatar
  • 8,059
0 votes
0 answers
83 views

"Voting corrected" seems incomplete

A few days ago, I was surprised to see a sudden increase in rep of 80 points in the space of a couple minutes. When looking over my profile today, I saw that I had lost 60 points, with the annotation &...
user avatar
  • 4,671
2 votes
1 answer
275 views

Reporting a possible 2nd account belonging to a network-wide suspended user

This user is suspended for 71.63 more years: A user with the same name is not suspended: Perhaps the mods can investigate their IP addresses and act accordingly (both users are basically active on ...
user avatar
7 votes
1 answer
458 views

Downvoting systematically a user

I have got 8 downvotes in the last 2 days, on various questions and answers. Clearly someone is mad at me... Is there any way to stop that? Thanks!
user avatar
  • 34.7k
9 votes
1 answer
1k views

Why does this (old) funding proposal for MathOverflow, say that Ben Green got the Fields Medal?

This funding proposal says: But Ben's name is not mentioned here.
user avatar
34 votes
0 answers
759 views

Richard K. Guy, the centenarian mathematician

Professor Richard K. Guy, the great number theorist had passed away long before in March. Since there were no posts to commemorate him on this site (as far as I saw), I decided to post this question ...
user avatar
  • 1,753
1 vote
0 answers
195 views

Impact of politics on the availability of video conference software for mathematics online conferences

I'm not sure that this is the best place for this post, but on the other hand I could not think of a better forum. Of course I understand if this post must be downvoted since it doesn't strictly ...
user avatar
0 votes
0 answers
211 views

Would asking this question be permissible on the main site?

I have been working on a problem for days, that I previously mentioned on ComScience StackExchange. The answers were helpful. But, I need more information to develop a polynomial space algorithm. I ...
user avatar
20 votes
1 answer
1k views

Someone is trying to delete the Memorable Titles thread

There is currently a vote to delete this very old thread. I am writing to register my strong protest against this and bring it to the attention of other users here on meta. Most memorable titles
user avatar
  • 18.8k
4 votes
1 answer
67 views

Why don't images show up in a post?

Why do the image links in the post Triangle angle bisectors, trisectors, quadrisectors, show up as raw source? (I tried deleting everything but the [1] or ...
user avatar
  • 8,059
1 vote
1 answer
72 views

Asking questions later

I have a question about my MathOverflow post: Sequence without average density (It's deleted!) I've asked it on 15.07.20 (currently yesterday), and in several few minutes realized that USA's time is ...
user avatar
  • 1

15 30 50 per page
1
3 4
5
6 7
34