All Questions

9
votes
1answer
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?
14
votes
0answers
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 ...
6
votes
1answer
379 views

Bounty from Community

This question has an outstanding bounty from the Community user. How does that happen?
24
votes
0answers
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 ...
2
votes
1answer
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 ...
5
votes
1answer
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 ...
11
votes
0answers
364 views

Primarily opinion-based questions/answers

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 ...
-2
votes
1answer
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 ...
-3
votes
0answers
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 ...
-7
votes
1answer
208 views

Answering off-topic questions

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 ...
20
votes
2answers
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: ...
1
vote
0answers
120 views

Bounties for Answers?

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 ...
3
votes
2answers
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 ...
4
votes
1answer
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 ...
20
votes
0answers
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....
-5
votes
1answer
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?
2
votes
1answer
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, ...
2
votes
0answers
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 ...
48
votes
4answers
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 ...
3
votes
0answers
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 ...
4
votes
1answer
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?
1
vote
0answers
139 views

Ask for help in proofreading a book

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 ...
1
vote
1answer
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.
-3
votes
1answer
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 ...
8
votes
1answer
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 ...
12
votes
0answers
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 ...
5
votes
0answers
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 ...
19
votes
0answers
1k views

Increase in unexplained downvotes on (old) questions/answers?

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 ...
2
votes
1answer
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 ...
1
vote
0answers
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 ...
1
vote
4answers
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 ...
2
votes
1answer
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 ...
9
votes
1answer
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 ...
1
vote
0answers
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. ...
0
votes
0answers
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 ...
0
votes
0answers
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 ...
4
votes
0answers
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 ...
12
votes
1answer
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 ...
9
votes
4answers
616 views

Is it a bad practise to add details (limited) to some one's answer?

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 ...
21
votes
4answers
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 "...
3
votes
0answers
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 ...
1
vote
0answers
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 ...
-6
votes
2answers
214 views

Has word “mathoverflow” trademark?

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'...
10
votes
2answers
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 ...
15
votes
0answers
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 ...
7
votes
0answers
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 ...
6
votes
0answers
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 ...
2
votes
0answers
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 ...
-9
votes
1answer
352 views

Why is this answer about naming deleted?

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 ...
0
votes
0answers
88 views

reminder for comments/responses

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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