All Questions
1,853
questions
4
votes
1
answer
277
views
Mystery popup window
Last week or so, when I get into an SE site (MO in particular), a popup window appears in the lower left corner for few milliseconds. Some kind of clickable button there, with not enough time for me ...
7
votes
1
answer
210
views
Reputation number not visible on main page
This is a very minor bug, but the reputation number seems not to be visible on the main site:
Interestingly, it is visible in meta:
2
votes
1
answer
238
views
Citing a mathoverflow comment
One can easily cite a mathoverflow answer as there is an option "cite" below every answer. But there is no cite option to any mathoverflow comment to a question.
One is then forced to cite ...
15
votes
0
answers
679
views
MathOverflow related ICM satellite event (2022)?
I read in Terence Tao's blog about the 2022 ICM satellite coordination group.
As the ICM is now online,
the IMU encourages grassroots efforts to supplement the core program with additional satellite ...
9
votes
1
answer
273
views
Editing old question, can't submit as title is too long
I'm editing Is there a canonical map from the cohomology of orbifold Chiral de Rham on an orbifold to the cohomology of Chiral de Rham on a crepant resolution? as there was a broken arXiv Front link (...
5
votes
0
answers
296
views
What should I do if I believe to found the answer to my question but I'm not sure?
Four months ago I asked one question in MO and had no expected answer. After following the clues from comments of other users I realized that, in that time, I didn't even know how to properly ask what ...
17
votes
1
answer
917
views
How to respond to well-known sockpuppeters
Frequent sockpuppeter/spammer Wolfgang Muckenheim is back, and across multiple SE sites (philosophy, mse). This leads me to ask:
Is there anything specific we should do in a situation like this, ...
5
votes
1
answer
310
views
Automatic comments by Community
There seem to be automatically generated comments by "Community".
As an example, this question by a new user has
Please clarify your specific problem or provide additional details to ...
9
votes
2
answers
656
views
`\intertext` in MathJax
MathJax, at least as used on MO, recognises many multi-line environments, like {multline}, {align}, and ...
7
votes
0
answers
177
views
Diamond moderator symbols and old posts
This question, or rather, (vague) feature-request is not specific to MO; however I leave it to more experienced (and with better skill in writing English) users to possibly ask it elsewhere.
...
3
votes
3
answers
697
views
Has MO traffic decreased a bit since the invasion of Ukraine?
I check the review queues several times a day, each day. I have noticed a significant drop of posts in the queues that I am watching (First questions, First answers, LQP, Late answers). Even the ...
3
votes
2
answers
277
views
MathJax equivalent of `<strike></strike>`
I recently tried to edit an old question x-th moment method that had got bumped to the front page for other reasons. The post had an equation that was meant to be, and maybe at one point was, struck ...
13
votes
1
answer
779
views
Best way to correct "Cauchy-Schwarz" misspellings
I would like to apologize because the top questions page is currently overrun by questions I just edited.
I just noticed that Cauchy-Schwarz is often incorrectly spelled Cauchy-Schwartz and so I made ...
16
votes
2
answers
447
views
Feature request: add short "about MathOverflow" section to the front page
Until a few years ago MathOverflow front page had a short section at the top describing what the site is for. I am not sure when it disappeared or why but I would like to see it restored. Currently ...
2
votes
1
answer
52
views
Link not being processed
At What kind of topological invariants can you get from just Hopf algebras?, link [4] is not being processed:
However, it is there in the source:
...
5
votes
1
answer
253
views
Long display style formulae extend too much to the right with some renderers
In the following screen capture, take a look at the region delimited by the red rectangle: notice how it extends too much to the right, such that a part of it becomes hidden by the yellow page element....
4
votes
0
answers
441
views
Is this soft question acceptable?
Edited version: What are great examples of comprehensively archived mathematical correspondence (including both handwritten and electronic items)?
Previous version : How should mathematicians archive ...
8
votes
0
answers
123
views
Some but not all LaTeX rendering correctly on tools page
Users with sufficiently high reputation have access to a "tools" page, which I like a lot. However, sometimes I find that the $\rm\TeX$ doesn't render properly. What is particularly puzzling ...
16
votes
2
answers
285
views
Bringing back the old front page with custom CSS: a guide
As mentioned in a recent meta question, the Stack Exchange development team pushed changes to the front page affecting how views, vote counts, and answer counts are displayed. A few hours ago, these ...
6
votes
1
answer
276
views
Bountied question has already been answered elsewhere
This question, while somewhat old, recently had a 250 point bounty placed upon it by David E. Speyer. However, as I remarked in the comments, it has already been answered by Harry West, but in the ...
-3
votes
1
answer
113
views
How to formulate a question for a Mathoverflow forum?
Can the following question be posted? “Where could an error be in the proposed proof of Fermat Last Theorem? Info about the author, proof and preliminary validation is at (link)”. How should the ...
0
votes
2
answers
321
views
Why has my question on Aristotelian Spaces been closed for being 'insufficiently focused'?
My question on Aristotelian spaces begins with a motivating preamble and ends with a specific and focused request as to a property which I say would help characterise these spaces.
I've bolded this ...
2
votes
0
answers
62
views
Badges appear to have disappeared [duplicate]
It looks like badges are no longer showing on users when browsing questions/answers:
The badges appear while the pages loads, but as soon as the mathjax fully loads, they disappear. Checking other SE ...
4
votes
0
answers
69
views
Occasionally reproducible bug with macro definitions in a draft post affecting macro use in comments
In the course of a discussion involving using MathJax to re-define macros, I couldn't recall if MathJax obeys a \newcommand for an already-defined macro, and so ...
24
votes
4
answers
816
views
What is the deal with changes to the front page?
It appears that today Stack Exchange has changed the appearance of the MathOverflow front page. It now looks more similar to Stack Overflow. The most noticeable change is that the counts of answers, ...
6
votes
1
answer
164
views
Reputation displays after an edit even if opted out
I mentioned this in a comment on the main announcement regarding not automatically displaying reputation, but perhaps it is worth making into a formal bug report.
After I edit a post, reputation is ...
12
votes
0
answers
494
views
New Stack Exchange site for proof assistants and automatic theorem provers
Stack Exchange will soon create the Private Beta site for Proof Assistants and Automatic Theorem Provers. If you want to see what a Stack Exchange site is like in its initial beginnings, want to help ...
38
votes
1
answer
2k
views
Viewing reputation and badges is now opt-in and compatible with the new front page
This announcement is a little late (see the discussion here), but in response to discussions over many years, we (the moderators and board) have implemented a change to the site where by default, ...
3
votes
1
answer
180
views
How does one check progress towards a (second) Socratic badge?
Not to take anything too seriously, but how does one check progress towards a (second) Socratic badge? I've seen a script for another Overflow site, but it doesn't seem to work here.
14
votes
0
answers
337
views
2021: 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 preceding calendar year.
As most of you here are aware, sites on the Stack Exchange ...
-2
votes
1
answer
168
views
Asking the same (subjective) question on Math.SE and MO
I asked a question a couple of years ago on MathStackexchange which was quite popular. I would like to ask it on MathOverflow as well, since I'd be interested in the answers there. But I'm never ...
35
votes
2
answers
1k
views
Reputation and badges are no longer visible next to the users' names
Right now it seems that a bug is affecting MO: reputation and badges are no longer displayed next to the users' names.
This happens both on the front page:
as well as on pages of individual questions:...
11
votes
0
answers
98
views
On a MathOverflow post, the members' reputation for a question & answer shows briefly but then disappears [duplicate]
When I was just viewing the MathOverflow Improving Cauchy estimates?, this is what I see for the question & answer members' "flair" sections:
Doing a refresh causes the reputations to ...
7
votes
1
answer
340
views
Top-voted questions for the year?
This link shows the top-voted questions:
https://mathoverflow.net/questions?tab=Votes
In a New Year's spirit,
how can I restrict this query to top-voted ...
1
vote
0
answers
167
views
How can I contact a specific user
I'm new here and it was suggested to me to ask this here. There was a particular user who's answers and questions came up more than once when researching a couple math related topics and I was hoping ...
12
votes
3
answers
760
views
How to make welcoming comments on "homework-like" posts that will be closed?
We get posts here that are phrased as if from a textbook or homework; the one I have in mind is Find the recurrence relation, but my question is more general. Such posts will certainly be closed.
A ...
2
votes
1
answer
156
views
Is it possible to find out why a comment was deleted?
I had a comment at How do you generate math figures for academic papers? asking whether the question was a duplicate. (Carlo Beenakker is responding to it in this comment.) Since the comment is no ...
0
votes
0
answers
100
views
Hinting votes for CW contributions
I would like to learn about opinions about visually indicating votes for contributions to community wiki; what I have in mind is something analogous to the green button in the "menue-line" ...
4
votes
1
answer
135
views
Are my comments searchable?
My activity page in particular contains "All actions" tab; all my comments are there. Can I search for, say, a specific word there?
A wonderful answer by Martin Sleziak to my question Is it ...
36
votes
3
answers
2k
views
Welcoming new user: on a recent question about connections
I think that the history of this question about connections is unfortunate. I would like to discuss (respectfully, without throwing blame around) whether/how a better outcome might have been achieved....
2
votes
1
answer
310
views
What if I'm not sure about what area of math a problem lies?
One student asked me how to solve a problem and the only way of solving it that came to me seems hopeless to find an answers. It occurred to me that I may using a wrong approach to it. How could I ask ...
0
votes
0
answers
128
views
Is this partial differential equation on topic for Mathoverflow?
I came across this differential equation. I'm not sure if it's research level, but I think it might be:
$$u\frac{\partial}{\partial u}\left(u\frac{\partial f}{\partial u}\right) + v\frac{\partial}{\...
14
votes
0
answers
1k
views
Why is the question about SO(4) embedding into SU(3) attracting so many troll answers
This question: Is SO(4) a subgroup of SU(3)? has already attracted 5 rude spam answers (most of which have been deleted by the time I posted this, but if you have enough reputation you can see them). ...
2
votes
0
answers
227
views
How do I recover my MathOverflow account?
I've been inactive for close to a year due to illness--and want to resume my activity as in
Euclidean volume of the unit ball of matrices under the matrix norm
but when I try to do so, I get treated ...
8
votes
1
answer
404
views
Two traffic observations and questions
The MathOverflow traffic (page views, visits, new visits) shows steady and possibly increasing activity
over the last $2+$ yrs. The chart below runs from 2019-Jul-07 on the left and 2021-Nov-04 on the ...
3
votes
0
answers
177
views
Braces are not rendered in MathJax in the preview of a question
I am using Firefox 94.0.1, with no user scripts. I have a few add-ons, which I can list if needed, but, since the behaviour does not always occur, they cannot always be interfering. My renderer is <...
0
votes
0
answers
243
views
"overestimates topoi" and research level
I wonder now and then, why this question is still open
Did Grothendieck overestimate topoi?
Usually, MO's members tend to be very strict about what is and what isn't a good question.
But why is this ...
2
votes
0
answers
401
views
A super easy way to speed up MathJax loading with LocalCDN add-on
I found a very neat way to speed up MathJax execution times and I thought about sharing it with everyone here. Typically whenever I start my browser I have to load up all of these MathJax resources ...
1
vote
1
answer
210
views
Why I am not allowed to answer protected questions?
I'm a new user of MathOverflow. In the privileges section, it says that I can now answer protected question.
But in reality, when I visited this protected question, it says:
I'm not counting the ...
14
votes
0
answers
602
views
To which extent can one modify another's question?
One highly off-topic question of real analysis was asked in the main site by a new user. One user sent, 1 hour later, a long answer going far beyond the the question, and then, 12 hours later, edited ...