# All Questions

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176 views

### Rationale for reputation change on “my” reputation page that says 'User was removed'

At MathOverflow > Help center > Reputation & Moderation I see the following: [...] a user who voted for one of your posts had their account deleted (either by request or due to violating ...
0answers
277 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 ...
0answers
34 views

### Can't submit edit review

I was prompted to review some edits with the little dot in the upper right hand corner, but when I went to do my editorial duty I found that only the 'skip' button was clickable: I tried selecting ...
2answers
127 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 ...
16answers
4k views

### Interesting (and not sufficiently answered) questions on math.SE

In light of the generally positive response to this meta-thread, I am creating this to help advertise (and hopefully fully resolve) "interesting" questions on math.SE. I'm not really certain what the ...
3answers
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 ...
0answers
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 ...
4answers
560 views

### Customize the modal window for the first-time askers

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 ...
1answer
498 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 ...
6answers
2k 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 ...
52answers
16k views

### Best of MathOverflow, or papers inspired by MathOverflow

This is a place to collect MathOverflow success stories! Was some of your research inspired by something on MathOverflow? Do you know questions & answers that led to interesting research? ...
1answer
175 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 ...
1answer
116 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 $x$?&...
4answers
946 views

### What makes you vote to close a question?

Some recent exchanges and observations suggest to me that users not only have different thresholds for voting to close a question yet still applying the same criteria, but that they even apply so ...
27answers
22k views

### News of potential interest to the MO community

Occasionally, there has been a suggestion to start a meta question to collect information that might be of interest to the MO community. This is an attempt to start such a thread. Is there any news ...
3answers
535 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 ...
9answers
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 ...
2answers
926 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 ...
2answers
792 views

### How can I avoid getting a bounty?

I've posted an incomplete answer to the question Does a left basis imply a right basis, without AC? which has a 50 point bounty that expires soon. My answer is basically an idea that I think (but I'...
2answers
658 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. ...
1answer
1k views

### Is this an appropriate MathOverflow question: can I ask for some intuition and “excitement” behind the Dynamical Mordell-Lang conjecture?

I am a math undergraduate at my local university, and I have decided to make it a habit to attend the weekly seminars that are given by the faculty. Today, the talk was on the Dynamic Mordell-Lang ...
105answers
11k views

### Requests for reopen and undelete votes for on-hold, closed, and deleted questions

Since I expect this may prove rather useful, I'm blatantly purloining Asaf's question from meta.math.se. Please post general requests for reopen votes as answers below. Beware that "short" ...
2answers
856 views

### Is it appropriate to ask why a textbook on nonlinear algebra not well known?

I am wondering if it would be worthwhile to ask why a certain textbook and/or its authors (Dolotin and Morozov) are not well known. From the description of the book: This unique text presents the ...
2answers
133 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?
0answers
255 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 ...
1answer
544 views

### Tea archive (mathoverflow.tqft.net) seems to be down

It seems that the link http://mathoverflow.tqft.net/ (which, according to this announcement, serves as an archive of the old tea, i.e. the previous incarnation of MathOverflow Meta) no longer works. ...
1answer
47 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?
1answer
222 views

### Should MathOverflow request suggested tags feature?

There is a feature of showing suggested tags after the body of a question is included. These suggestions are based on the body of the question. More details can be found in these posts: Automatically ...
0answers
110 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 ...
3answers
847 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, ...
5answers
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 ...
1answer
101 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 ...
1answer
489 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 ...
3answers
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 ...
1answer
276 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 ...
2answers
126 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 ...
2answers
203 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 "$x\lt y$...
0answers
78 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 ...
1answer
242 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 ...
5answers
258 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, ...
1answer
74 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 ...
0answers
77 views

1answer
220 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 ...
0answers
90 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 ...
0answers
59 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 ...

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