# All Questions

1,313 questions
198 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?
327 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 ...
379 views

### Bounty from Community

This question has an outstanding bounty from the Community user. How does that happen?
917 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 ...
98 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 ...
88 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 ...
364 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 ...
174 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 ...
236 views

### Tag for “open problems database” and other ideas for collecting open problems their approaches and updates

As suggested in another post, sooner or later we will form a strong raw database of open problems with their approaches and updates. Then the OpenGarden and OpenProblems projects will serve as a ...
208 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 ...
667 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: ...
120 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 ...
75 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 ...
790 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....
238 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?
61 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, ...
58 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 ...
4k 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 ...
96 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 ...
77 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?
139 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 ...
198 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.
140 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 ...
225 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 ...
574 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 ...
261 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 ...
428 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 ...
133 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 ...
72 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 ...
129 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 ...
338 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 ...
616 views

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 ...
1k views

### Publicizing conjectures on MO

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 "...
101 views

### What if I posted a (perhaps…) nice answer, but to the wrong question?

First of all, I apologize for asking this question if the topic has already been debated on the MO.meta, but I did not succeed in finding anything similar: and now the question. Nearly a year ago I ...
193 views

### What do you see to upvote an answer?

Question is as in the title? What makes you to up vote an answer? Most of my answers are with $0$ upvotes. I am trying to understand the reason. One of the reasons could be that mathematics that I ...
214 views

I have domain name mathoverflow.in, and I want to develop a free website or Q2A discussion forum using https://www.question2answer.org/ free open source platform. I'...
326 views

### Papers, articles, books and other resources discussing MathOverflow

There already is a post asking about published works which started on or were inspired by posts on MathOverflow: Best of MathOverflow, or papers inspired by MathOverflow. It might be interesting to ...
408 views

### Studying the MathOverflow data dump with Mathematica

This is just a mention of some work Wolfram has done recently, allowing you to import a database dump of MathOverflow and analyse it within Mathematica. The Data Science of MathOverflow Their ...
460 views

### When answers are primarily opinion based, should the question be CW?

A question was just asked about whether or not we still need model categories of spectra (vs working with the $\infty$-category). To me (and Fernando Muro at least), it is reminiscent of a previous ...
212 views

### No reputation change signals if subtracted from bounty?

Right now I am observing the following. Usually every time I get an upvote somewhere, I get a signal about it in the upper right corner. Recently I declared a bounty (and awarded it for an answer) at ...
57 views

### Reviewing after flagging

Several times, I've seen an inappropriate post under "new questions", flagged it, found it in a queue, and been unable to review it (specifically, unable to flag it, and so unable to click the "I'm ...
352 views

My answer for Naming in math: from red herrings to very long names has been deleted. According to Why and how are some answers deleted?, the only two relevant reasons are: commentary on the question ...
88 views

Suppose a user commented on my post and due to some reason I overlooked and then forgot. As it is my question, the one who responded for my question would not care to write another comment if I do ...

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