# All Questions

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618 views

### Will ads appear on MO?

It looks like the Stack Exchange network is trying to monetize the various stack sites as much as possible, to the dismay of users across the board. Will this affect MO? If I recall correctly we ...
234 views

### Rules for deleting one's own question

Today (2019 July 6) a new user had posted a question that received some upvotes The problem is from contest.Please flag it for removing it and I had provided an answer that didn't solve the problem. ...
185 views

### Can we add a “consistent down-vote” bot to interfere with trolls?

I have a question about my MathOverflow post: Peer review of new Derivation and Integral I feel I was trolled in the downvote I received. No comment, just a downvote. I wouldn't be surprised if the ...
104 views

### How to post a computer code by copy-paste?

I just want to add a computer program to my answer. However all my attempts to copy it result in total garbage displayed because all "less" and "greater" signs are perceived as HTML markers. I tried ...
238 views

### Does MathOverflow help people get past paywalls?

I just came across the following question: Kaczorowski's paper on Distribution of Primes In case the question gets deleted or closed in the future, the OP asks for a specific reference, which is ...
1k views

### Restoring Bill Thurston's figures in an answer

The question Floating polyhedra with fair equilibria was answered by Bill Thurston, but his (typically amazing) answer contains links to 7 figures, all now broken. I don't know how to retrieve those ...
445 views

### Should moderators in some cases remove a question from the network-wide hot questions list?

Not too long ago - in March 2019 - some changes have been made to the Hot Network Questions (HNQ). Some of the new features are the limit on the number of hot questions from a single site, or limit on ...
250 views

In my opinion, there is a moral obligation on those asking questions to do something with the answers: Either accept one, or to explain why none of the answers is satisfactory. I do not see this ...
982 views

### What do you want to do in September for MO's tenth anniversary?

On Sep. 28, 2009, MathOverflow went online, and has almost ten years of almost constant operation, thanks to StackExchange. There will be an obligatory post observing the anniversary. The board of ...
302 views

### Should we encourage non-professionals to ask hard questions if that is good for the future development of the mathematics? [closed]

There is a story about Gauss being "unimpressed by FLT, pointing out (after finding a proof of the n=3 case) that in number theory it’s very easy to come up with problems that are very hard.". But, ...
95 views

### A questions about “on hold” status of a question and about “closed” status

I have a question that´s been put "on hold". And I have some questions. Who can see that this question is "on hold"? Can that see all users of the site or even some people who browse this site "...
282 views

### What should I do when I see a spam post on MO?

What is the correct way to handle spam on MathOverflow? Can regular users do something when they see a spam post?
392 views

### Enabling arXiv trackbacks for [other] SE communities

I recently became aware of MathOverflow arXiv trackback feature that was custom implemented by @ScottMorrison. This is just awesome and certainly serves very well MathOverflow community. I was ...
392 views

### Bounty from Community

This question has an outstanding bounty from the Community user. How does that happen?
982 views

### Unregistered Users (in Theory and in Practice)

There's been past discussion (e.g. here) about whether MathOverflow should allow posts from unregistered users. I am fully on board with the apparent consensus that the answer is yes, because of the ...
109 views

### Why I cannot start bounty on my own question, just because I have answered it?

Can it circumvent and avoid awarding bounty for own answers and reward answers by posters other than the author of the question. Why avoid the author from starting bounty itself all together. In such ...
93 views

### Main site changed look, but only in one device

Using Firefox on an iPad, suddenly the view for the main site changed; it now looks as follows: The meta site looks the same as it always has, and when I go to the site using firefox on a different ...
367 views

One closing option is primarily opinion-based: Many good questions generate some degree of opinion based on expert experience, but answers to this question will tend to be almost entirely based on ...
177 views

### How to edit tags correctly?

I attempted to edit the tags for this question. I got the message: This edit introduces tags that do not help to define the topic of the question. Tags should help to describe what the question is ...
214 views

What is MO's exact policy on answering or not answering off-topic questions? Assuming there is some well-defined policy. My guess is: you are allowed to answer off-topic questions and if somebody ...
677 views

### Stack-exchange devoted to research problems, the suggested approaches and updates

The idea is to have a database of open research problems where the answers will be updates or suggested approaches. One research problem per post. This is in the spirit of Polymath. Reasons: ...
122 views

What are your feelings about offering a bounty for deciding or evaluating an answer to a MO question? Background of this post is that I have provided two answers to a highly upvoted question with ...
95 views

### Keyword Search of the User's own (my own) questions or answers

Is there a (good) way to "search" the keyword of the User's own (my own) previously asked questions or given answers in one's own profile? If so, how? Please illuminate. p.s. I asked that ...
78 views

### Migrating a question removes some comments?

This question has just been migrated to MSE, but I notice that not all comments were migrated in the process. This is unfortunate because one comment (by YuiTo Cheng) pointed to a highly relevant ...
820 views

### Are we making it too tempting/easy to send inappropriate posts to MSE?

This "question" (asking for generalized help with a long list of elementary topics) is clearly going to be unwelcome almost anywhere, yet two users voted to close with a suggestion to "see math....
247 views

### The reason for putting on hold a question

Why was this question put on hold? It seems to be fairly specific and it is about mathematics. You could argue that it is slightly meta-mathematical; would it then be appropriate on meta MO?
63 views

### sort unanswered questions by date

I am sure this used to be possible. However now, when I select "unanswered" the query is obviously answered by sorting via votes received and I don't know how to sort unanswered questions by date, ...
60 views

### Insufficient space following MathJax, but only right after posting

I am using Safari 12.0.2 on macOS Mojave. In my answer https://mathoverflow.net/a/331026 , I see the following: It seems to me that the spacing between the second and third parentheses at the end of ...
6k views

### Flood of Similar New User(s)

The following thirteen(!) users: goingfullscheme valua_aint_no_galois going-full-isomorphic logicians_rule, martintzar royalroadtogeometry bundlist compactbut faptoint you_dont_mess_with_ron ...
104 views

### Wrong rendering in narrow width in Safari

When I view the front page right now in Safari, I see: Notice that the question mark, which the poster properly placed at the end of the equation (see the question (before another edit removed the ...
81 views

### How do I add captions to inserted figures

Some of my MO answers have figures in them. How do I add captions and tags to them?
141 views

In case, one had written a book manuscript, but it was not possible to find, by other means, proofreaders mathematically knowledgeable enough to proofread the manuscript, would it be appropriate to ...
204 views

### Negative reputation?

I found this in the "Users" listing What is negative reputation? The profile for this user (who was last here 3 years ago) shows reputation 101.
145 views

### Remove the upper bound on the number of bounties a single user can have at any moment

This question is about the maximum number of active bounties one user can have at any given point of time. Why do we have such a limitation? Why only 3 bounties? I have asked some questions on this ...
230 views

### Links to the reputation leagues are broken on MathOverflow

At the bottom of the users page you can find links to weekly / monthly / quarterly reputation leagues. Currently there is the following link: https://stackexchange.com/leagues/week/mathoverflow - it ...
582 views

### How to “cite” MathOverflow answer?

I am writing a paper at the moment and for one proof I use an idea which I got from a MathOverflow answer (at the time I was asking idle questions but later of course found a way to use it). I of ...
101 views

### When we close questions and suggest MSE, should we link to their How to Ask?

When we close questions by saying MathOverflow is for mathematicians to ask each other questions about their research. See Math.StackExchange to ask general questions in mathematics. ...should the ...
1k views

I recently received a downvote without comment on a question and all of its answers, which are good independent of the value of my question imo. I’ve also had two other questions receive similar ...
264 views

### I lost my three questions

About 3_4 days ago 3 questions of mine got down vote but they were not "closed" or "onhold". After these downvotes, each of them became -1 vote, totally. Now I can not find these question. Where are ...
80 views

### Display of differences between revisions

Being impressed by the visualisation of differences between revisions on this site (and MSE as well) I cannot resist to ask: what javascript libraries are used for this? I know that MathJax is used to ...
441 views

### Creating tag “small-uncountable-cardinals”

Looking through meta-MO I have found a proposal of Martin Sleziak to create a new "small-uncountable-cardinals", which I liked since many of my (and not only my) questions fall under this tag. So, I ...
135 views

### Chat page has disappeared

I recently looked at an old question of mine (well, old, but the answer & discussion this refers to happened less than 2 years ago.) After a long discussion with the answerer in the comments, I ...
494 views

### Traffic follows work-week and holiday schedules

This is not a question; more an observation from the "site analytics" below. I am surprised/impressed by the regularity of the traffic, which reliably plummets on the weekends, and shows a ...
73 views

### Problem with “move to chat” function?

I seem to be having a problem with the "move to chat" button. In a recent question, I received the "consider moving to chat" prompt, and I clicked the proffered button; however, it didn't work. ...
100 views

### MO links chopped in gmail pdf viewer

Currently I am preparing the text for a paper (together with two coauthors) where we cite help from MO on two occasions. I am doing this using the cite button. It ...
63 views

### Is it bad practice to edit my own question with details from the paper provided in the top answer?

I asked a question and received a helpful answer that showed me work that I did not know how to search for. The answer was a link to the author's paper and some context on its relevance. While I could ...
133 views

### Why is community bulletin no longer shown on MathOverflow?

Community bulletin is a block displayed in the top right part of the site which shows some of the questions on meta (and sometimes also some other stuff). It is useful, because it attracts attention ...
339 views

### On convexity tags

The tags on convexity are convex-geometry ($\times$560), convex-analysis ($\times$ 266), convexity ($\times$ 420). Here the number is the current (2019/02/23) number of uses and I ignore some more ...
A user X answered my (some one else's) question in a compact way (less than $10$ lines). Upon discussion, user X has explained somethings in comment which made answer clearer. Is it considered to ...
This question Positive integers written as $\binom{w}2+\binom{x}4+\binom{y}6+\binom{z}8$ with $w,x,y,z\in\{2,3,\ldots\}$ is basically just a statement of a few conjectures by the asker. The "...