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25 votes
5 answers
2k views

Updated: Is it time to replace links to the UCDavis arXiv frontend?

This question from March 2020 points out that many questions/answers link to papers at the http://front.math.ucdavis.edu/ frontend instead of at the arXiv itself, but that the frontend had been down a ...
Peter LeFanu Lumsdaine's user avatar
-7 votes
2 answers
461 views

Why was my probability question closed?

Why was my question closed here? Probability every team successfully presents a solution At a summer math program a contest is held for $n$ teams. Each team, composed of $n$ individuals, is given the ...
Emperor Concerto's user avatar
5 votes
0 answers
144 views

How can I see the line length available for long mathematical expressions in posting on MO?

In typing up a question (or answer) on MO, I try to format a long mathematical expression so that it fits in one line. When I meet with apparent success, as shown in the wysiwyg box underneath the box ...
John Bentin's user avatar
  • 2,427
18 votes
0 answers
800 views

Why is the "last seen 96 years ago" feature gone?

User homepages used to display the information "last seen ... (min/days/...) ago". It appears this feature is gone now. I found it useful, and while it does divulge some otherwise ...
Christian Remling's user avatar
4 votes
0 answers
388 views

Questions on the mathoverflow newsletter

Good morning, everyone... I have a little question about the mathoverflow newsletter. Ever since I subscribed to it, I used to find it every Tuesday in my gmail inbox, but I have not received the ...
José Hdz. Stgo.'s user avatar
24 votes
2 answers
3k views

Asking a question you know the answer to, but not answering

There has been an apparent case where the question poster asked a question that had been answered in their own paper from about 10 years before the question. This would not be a problem if the ...
user44191's user avatar
  • 4,941
3 votes
0 answers
196 views

A case when the closure reason might be unclear to the OP (and possibly others)

There is this question I have read about the 3x+1 conjecture so I am thinking of 3x-1 instead closed as not research level. It is about replacing $3n+1$ with $3n-1$ in the Collatz conjecture. OP shows ...
მამუკა ჯიბლაძე's user avatar
4 votes
1 answer
326 views

Why was this math puzzle question migrated to Science Fiction & Fantasy?

There was a recent question on MathOverflow which was just incorrectly migrated to Science Fiction & Fantasy (where it has been promptly deleted). I suspect the reason the question was migrated ...
Tony Huynh's user avatar
  • 31.3k
5 votes
0 answers
277 views

Help center text references a thread but doesn't indicate which one

In the "What about open problems?" section of https://mathoverflow.net/help, the last line says "To join the discussion about how MathOverflow should deal with open problems, go to this ...
user44191's user avatar
  • 4,941
2 votes
0 answers
182 views

Asking whether this question will be suitable and hence answered by people on MO ? ( I will use career and advice tag)

I am thinking of asking this question on the MO website which is due to the fact that how should I write/ explain the gap in my CV while applying for PHD programs in 2022. Very brief of the situations ...
Arnold's user avatar
  • 668
2 votes
1 answer
428 views

Rationale for moderator deletion of a non-spammy, off-topic question

The Euler quote question "Why are people hanged if they talked" has been deleted by a moderator. I have the impression this is a new practice (correct me if I'm wrong), that deletions of off-...
Carlo Beenakker's user avatar
7 votes
1 answer
162 views

Unfortunate title length limitation when performing dead link maintenance

This question about disc projections has a link to an animation of a Reuleaux triangle spinning inside a square. "That sounds cool, I want to see what that looks like!", I thought. ...
SE - stop firing the good guys's user avatar
1 vote
0 answers
155 views

Self advertising and posting a candidate constructive proof

I would like to learn about appropriateness of posting a candidate constructive proof that decides a conjecture or open question and asking for counter examples that render the proof incorrect. The ...
Manfred Weis's user avatar
  • 12.6k
5 votes
1 answer
836 views

Rationale for migration to MSE of a well-received question on MO

I was a bit surprised (annoyed?) by the migration of this question from MO to MSE. Yes, the question could have been asked on MSE, but it was asked on MO, received much attention there, with a high-...
Carlo Beenakker's user avatar
6 votes
1 answer
4k views

What happened to the stack exchange app for iOS?

The stackexchange app would no longer launch, I tried to reload it from the Mac App Store, and it’s not there (or at least, I could not find it). I probably missed some event, is there an alternative?
Carlo Beenakker's user avatar
2 votes
2 answers
316 views

unaccepting an answer, and then accepting own similar answer

Happened to me recently, and I wonder whether this is acceptable kind of behaviour, and not basically stealing ideas to get points. In that particular case the person who asked the question appears to ...
Dima Pasechnik's user avatar
2 votes
1 answer
270 views

My question is removed

Recently my question entitled "Non existence of a parametrically compatible metric to a complete geodesible vector field on $\mathbb{R}^2\setminus\{p,q\}$" is removed. What is the reason?
Ali Taghavi's user avatar
14 votes
1 answer
619 views

How to @ a user with non-Latin characters?

When typing comments, it's useful to use the "@" system to alert a user to a comment (and also to make it clear to a 3rd party who you are addressing a comment to, as comments have no "...
Matthew Daws's user avatar
  • 18.5k
1 vote
0 answers
202 views

What is the correct action if the OP finds an answer incorrect (with a recent example)?

While I certainly think that the OP of the question Non trivial zeros of Riemann zeta function definitely abuses MO in a couple of ways, still I believe it is a good example for the question in the ...
მამუკა ჯიბლაძე's user avatar
2 votes
0 answers
144 views

What is yellow about? [duplicate]

Some questions asked at MO are emphasized with the color yellow. What does this mean, and how can one emphasize a question that way?
Frode Alfson Bjørdal's user avatar
11 votes
0 answers
196 views

Watched tags highlighting lost

On both Chrome Version 91.0.4472.77 and Safari Version 14.1.1 running on MacOS 10.15.7, I've lost the color-highlighting of front-page Top Questions in my Watched Tags list. Is this just my problem, ...
Joseph O'Rourke's user avatar
10 votes
1 answer
247 views

Citation helper: can we have it automatically convert \(...\)s into \$...\$s?

Here is an example output of the citation helper in the case where the citation's title contains $\rm\LaTeX$ code (random paper found by searching for L^\infty) ...
Calvin Khor's user avatar
28 votes
1 answer
972 views

Prosus' acquisition and its effect on MathOverflow

Just saw the PROSUS acquisition news of StackOverflow. Does it have any effect on MathOverflow? In what way would it help or not help MO? Thanks beforehand.
vidyarthi's user avatar
  • 1,975
19 votes
2 answers
841 views

Using MathOverflow to help with referee work

Suppose I am refereeing a paper and wish to remain anonymous as referee. Suppose I had trouble understanding some of the proofs in the paper and made a post on MathOverflow and received a very helpful ...
Valerio's user avatar
  • 325
2 votes
2 answers
164 views

No MathJax line wrapping in Firefox

Example: Chrome, for comparison: Happens on Windows 10, both browsers are up to date. Should I use the bug tag? Does anybody else encounter this? Can it be something on my side? After the question ...
მამუკა ჯიბლაძე's user avatar
-4 votes
3 answers
329 views

Make it evident that bounties are non-refundable or refund them on other people's questions

When I went to place my first bounty about a month ago, the question wasn't mine and I almost put up 500 rep to draw as much attention as possible figuring I'd only have to surrender said rep if ...
Alec Rhea's user avatar
  • 8,917
3 votes
0 answers
62 views

Math-mode formula in comment breaks incorrectly across lines

In the following comment, both summands should appear before the period: The source for the comment is: ...
LSpice's user avatar
  • 11.1k
28 votes
2 answers
915 views

Concern about sending to academia.stackexchange

There have been two questions today with suggestions (one acted on, at time of writing) to close, with the question being better asked at academia.stackexchange: Referee reports and Covid lessons. In ...
Matthew Daws's user avatar
  • 18.5k
8 votes
3 answers
1k views

Acceptability of "Changes forced by the pandemic"

I refer to this question by André Henriques. It is nonstandard, and prima facie there is a clear case for closing it, and at the time of writing there is one vote to do that. However, I personally ...
Neil Strickland's user avatar
21 votes
2 answers
799 views

How do off-topic question askers find MO?

Apologies if this has been addressed on Meta before (it's a little hard to know the right keywords to search for Meta questions with). Question: Has there been any systematic attempt to try to figure ...
Sam Hopkins's user avatar
  • 22.4k
17 votes
1 answer
453 views

Should the rules for deleting own questions be modified? - an example

I am aware of the own question deletion rules - in particular, kindly provided in an answer to Rules for deleting one's own question by Martin Sleziak. I think these rules have to be changed ...
მამუკა ჯიბლაძე's user avatar
3 votes
0 answers
158 views

Efficacy of bounties by reward amount

Is there any data available on how often bountied questions receive answers? Can we stratify by bounty amount, to see if we're actually 'getting more bang for our buck' when we bounty higher amounts? ...
Alec Rhea's user avatar
  • 8,917
8 votes
0 answers
597 views

What happened to the fonts?

It appears that MO (including MO Meta) has recently changed the display fonts: I couldn't find any topics on MO Meta pertaining to this new change, hence this question. SO has also switched the fonts,...
M.G.'s user avatar
  • 6,683
18 votes
4 answers
1k views

Deletion of on-topic comment threads

This question is about suppression of threads of comments by moderators, moved to chat with the message "Comments are not for extended discussion; this conversation has been moved to chat", ...
YCor's user avatar
  • 60k
3 votes
3 answers
526 views

Is there any process to appeal suspensions?

Does mathoverflow have any procedure for appealing suspensions? I'm asking because I was banned for a week (I believe unjustly) due to rude behavior. Question: What recourse is there if I feel I was ...
Chertopkhanov on Malek Adel's user avatar
9 votes
0 answers
310 views

Why are there two separate tags (open-problem) and (open-problems)?

I assume that most likely this was just an oversight - but since it was a result of a moderator's action, it is probably better to ask than just remove the tag singlehandedly.1 Question: At the moment ...
Martin Sleziak's user avatar
18 votes
0 answers
439 views

Three-vote close?

MO users might be interested in this StackExchange experiment: Testing three-vote close and reopen on 13 network sites. There has been considerable discussion around close-votes in MO Meta over the ...
Joseph O'Rourke's user avatar
0 votes
1 answer
200 views

How to deal with answers that don't answer anything?

I'm really hesitant to put this on the table, but what should be done with answers that to do not contain anything of help related to the question? Specifically I refer to this. It is not the fact of ...
Manfred Weis's user avatar
  • 12.6k
0 votes
2 answers
292 views

Name of the site

This site keeps getting questions from users who have mistaken mathoverflow for a place to ask questions about elementary mathematics. This is not a problem for me, as those too-elementary questions ...
bof's user avatar
  • 11.1k
21 votes
1 answer
1k views

Can I ask a question on MathOverflow and also on another site?

Sometimes one might ask a question on a website such as Mathematics Stack Exchange which is comparable but not identical to MathOverflow, and then decide to post the same question on MathOverflow. ...
Tim Campion's user avatar
  • 60.2k
10 votes
6 answers
446 views

Revising the help page on "What topics can I ask around here?"

This is a freestanding post taking its content from a previous discussion on the modal window for first-time askers. Thanks to Martin Sleziak and Tim Campion for the encouragement to post it ...
user avatar
16 votes
5 answers
741 views

What should the modal window for first-time askers say?

When a user asks their very first question on a Stack Exchange site, they are shown a modal window with some introductory advice. As explained in the March 2020 announcement of this feature, there is ...
Tim Campion's user avatar
  • 60.2k
11 votes
0 answers
388 views

Can I undelete questions deleted by the OP if I find them interesting?

I am not sure and I could not find anything about the ethical guidelines. A new user recently asked a question, which I've found interesting, as well as others, as it started some discussion, and then ...
domotorp's user avatar
  • 18.2k
2 votes
3 answers
240 views

How to make sure your questions never disappear in a blackhole?

Let's say some or all of your questions are deleted (by admins, not by yourself), or your account gets deleted (not by yourself). Is there a way to retrieve your questions? From what I've read, this ...
Vincent Granville's user avatar
11 votes
2 answers
375 views

(When) are "career advice" questions on-topic here? If and when such a question is on-topic, what to keep in mind in answering such a question?

We have a tag career and a tag advice. We don't have a flood of questions under these tags, but for several reasons I think it would also be appropriate for us to have a bit more guidance on meta ...
Tim Campion's user avatar
  • 60.2k
4 votes
1 answer
222 views

How are hot meta posts decided?

I'm curious about the exact mechanisms behind the 'hot meta posts' blurb on the right hand side of the main/meta page. I have been monitoring it for the past few days to see if my recent question ...
Alec Rhea's user avatar
  • 8,917
12 votes
2 answers
335 views

Filtering out the Autobiographer badge from "Recent Badges"

As discussed in this recent post, there is currently an influx of a ridiculous number of profile spammers showing up with the Autobiographer badge in the "recent badges" box on the MO ...
gmvh's user avatar
  • 2,758
10 votes
1 answer
326 views

Proposing a change to the close-vote interface

The feature request in this post is at the bottom; I will first highlight why I think it should be implemented. Currently, when I go to close-vote a question I see the following pop-up menu: If I ...
Alec Rhea's user avatar
  • 8,917
40 votes
1 answer
914 views

2021 Community Moderator Election Results

MathOverflow's second moderator election has come to a close, the votes have been tallied, and the three new moderators are: They'll be joining the existing crew shortly — please thank them for ...
Catija's user avatar
  • 101
18 votes
1 answer
604 views

Influx of ridiculous number of spam users – what to do?

There is currently an absolutely ridiculous influx of spam user profiles: almost the entire "recent badges" section in the right-hand column of the main page is full of Autobiographer badges ...
gmvh's user avatar
  • 2,758

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