# All Questions

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0answers
24 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?
1answer
143 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 ...
2answers
401 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 ...
0answers
99 views

### Survey: interesting and easily understandable questions and answers

I do not know if this kind of the question is welcome on the meta, but I got bored searching for interesting questions and answers. As such I am trying to collect opinions of other people on what ...
0answers
481 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 ...
2answers
327 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....
0answers
170 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 ...
0answers
211 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 ...
0answers
120 views

### Research questions

I have a question about my MathOverflow post: Is any periodic function trivial I was told this wasn't a research question. Isn't it a very major research issue if you can just take a function (like ...
2answers
136 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 ...
0answers
65 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 ...
0answers
295 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 ...
0answers
236 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 ...
1answer
316 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 ...
1answer
301 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 ...
1answer
107 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 ...
6answers
1k 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. ...
1answer
187 views

### Why are votes secret?

It would be more correct if at least those who receive a vote know who it comes from. It would be even more correct if the vote were motivated.
1answer
113 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" -- ...
1answer
600 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 ...
1answer
281 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 ...
0answers
96 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)
1answer
239 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?
2answers
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. ...
5answers
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 ...
0answers
87 views

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

Why is symmetric monoidal double categories? on the MO front page greyed out?
1answer
4k 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 ...
1answer
305 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 ...
1answer
446 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 ...
1answer
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 ...
1answer
342 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 ...
1answer
58 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, ...
1answer
59 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 ...
0answers
76 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 &...
1answer
233 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 ...
1answer
279 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!
1answer
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.
0answers
734 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 ...
0answers
194 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 ...
0answers
209 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 ...
1answer
926 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
1answer
48 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 ...
1answer
69 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 ...
1answer
318 views

### How can the question ban be removed:

The question is deleted and then I'm banned on MO after I asked the following question on MO earlier ( it's first asked on MSE then after sometime with no answer; I asked on MO) : https://math....
2answers
632 views

### Why are usernames not unique?

Fifty users on MO are identified simply by the name Andrew (with a capital A). Perhaps there are even more common names. Most websites require prospective users to register a name distinct from that ...
4answers
2k views

### MO “memorial” questions

In the past, when a famous mathematician passes away, many community members feel that they should be remembered on MathOverflow in some way or another. For obvious reasons, such memorials need to be ...
0answers
136 views

### Need details or clarity

I need some help to understand what is unclear with my question A reform of logic to secure naive set theory? and also what details are missing, from other persons perspective.
1answer
129 views

### My answer got upvoted, but no reputation increase?

My reputation score seems to be stuck at 510 even if some of my answers were up-voted recently. How do I fix this bug? How do I contact the moderators in order to solve (or at least understand) the ...
2answers
336 views

### Is there a way for moderators to contact MO users personally?

Question is as in the title: Is there a way for moderators to contact MO users personally?
0answers
300 views

### Role of the tag “gm.general-mathematics”

This question is about the tag gm.general-mathematics. A meta question about it already occurred here, but was less specific (and didn't generate much discussion). See also the discussion in the ...

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