All Questions
1,850
questions
0
votes
1
answer
132
views
All these invalid weblinks
I found so many web links became invalid on the questions and even more on the comments. Please be aware of this issue. In the future, this site needs to either repair the invalid links or advise ...
12
votes
0
answers
226
views
Is it fine to repost questions from a paper
Is it fine to re-ask open questions from ones paper on mathoverflow?
On the one hand, I am interested in finding an answer to the question, and it might help if it is more publicly available. But if I ...
38
votes
0
answers
437
views
How do we fit in with Stack Exchange’s new AI agreement with Google?
Stack Exchange has some kind of new AI agreement with Google, as announced in their blog.
I’m just trying to get caught up myself here on what exactly is going on, but one real possibility is that ...
4
votes
0
answers
125
views
Why doesn't the prime in $\sum_n'$ sit flush against the summation symbol?
The TeX snippets $\sum_n'$ \sum_n' and $\sum_n^\prime$ \sum_n^\prime should (as with all things TeX, barring trickery) be ...
1
vote
1
answer
282
views
Could MO use a minus sign for negative numbers?
I just noticed that negative vote totals are recorded with a hyphen:
In general within the StackExchange network it's probably not worth fussing over, but, here on MO, maybe we could use a minus sign ...
15
votes
1
answer
525
views
Request to consider undeleting an answer
Apologies if this should go in the "requests to undelete questions" thread but this seems to be technically different.
I noticed that this answer https://mathoverflow.net/a/465960/ has ...
0
votes
0
answers
16
views
I am seeking a solution to an Abel equation of the first kind with f0=0. y’=f3(x)y^3+f2(x)y^2+f1(x)y. f3,f2, and f1 are are given in the body [migrated]
The Abel equation of the first kind with $f_0=0$.
$$
y'=f_3(x)y^3+f_2(x)y^2+f_1(x)y \tag{1}
$$
where
\begin{align}
f_3(x)&=(12x^2-2)/x,\\
f_2(x)&=(14x^2-1)/x^2,\\
f_1(x)&=3/x.
\end{align}
...
-7
votes
1
answer
233
views
Why can't I post a question?
I'm not good at expressing myself and need research level math help, to assist my research in mathematics, to help the community.
Please let me express myself here as I am just trying to get ...
-4
votes
0
answers
143
views
Closing via - "review queue"
For those who missed (like me) - there exists "review queue" - and some questions can be closed via that pipeline.
So even old questions can be closed without any activity, which is unusual.
...
0
votes
1
answer
200
views
Inconsistency in MO votes
Yesterday I sent this question to a friend of mine. He told me he upvoted my question. When I go to my notifications, I don't see the vote.
But when I go to the history of my question, it can be seen ...
5
votes
0
answers
72
views
Missing brackets in $\{x\}$ in drafts, not missing in the final question/product
I am using the latest version of Firefox on Linux (bodhi linux) as well as Mac and Windows.
Some $\LaTeX$ is not typeset correctly in MathOverflow: whenever I type a set, like the singleton $\{x\}$, ...
2
votes
0
answers
73
views
Including a hash character (#) in a math equation causes it to not render (in new-question page)
I want to ask a question about a paper that uses this notation:
However, when I typeset it in MathJax with ...
1
vote
2
answers
327
views
Why was my spam flag declined on an answer that does nothing but promote the answerer's book?
I recently encountered an answer that does nothing but refer to the poster's book:
Please look pages 141-147 of the book:
S. Saitoh and Y. Sawano, Theory of Reproducing Kernels and Applications, ...
4
votes
1
answer
197
views
A MathJax/LaTeX question
In This question, the following appears:
$$[0,2] \times \left[0,4-\sqrt{3}\right] \times \left[0,4-\sqrt{3}\right] \times \mathop{\Large\times}_{i=1}^{k-3}[0,2]$$
Thinking that that last $\times$ ...
19
votes
1
answer
804
views
Using mathoverflow as a blog
In the past, I’ve seen instances where a user has been accused of ‘using mathoverflow as a blog’; the specific criteria for when this accusation is leveled vary, but generally the following are ...
7
votes
2
answers
122
views
Is there a way to download all your contributions?
Suppose I want to download all my questions and answers, e.g., as separate latex files. Is there a way to do this automatically? For example, this can be done on Facebook and on Google. There are many ...
15
votes
2
answers
782
views
Suggestions for the design of a font for math articles/books
Recently I've resumed work on a font I'm currently developing, meant to be released as a completely free, open-source, OFL-licensed font designed specifically for use in papers, theses, books, lecture ...
2
votes
1
answer
105
views
Is there a way to see the up/down vote spread on all questions asked by a given user?
When you as a user get some sufficiently high reputation, you can see the up/down vote spread of any question/answer. Now suppose there's some user, X, you're interested in. On their page you can sort ...
4
votes
0
answers
81
views
Blocking things from feed
Is it possible to block certain users or tags from appearing on one’s personal feed?
9
votes
0
answers
205
views
2023: a year in moderation
It’s that time of the year again! As we wave goodbye to last year and welcome the new one, we have a tradition of sharing moderation stats for the preceding calendar year.
As most of you here might be ...
8
votes
1
answer
290
views
Should there be a banner with some basic info about MO in the right sidebar?
A recent discussion about customizing the "Draft your question" panel reminded me of an older one here: Feature request: add short "about MathOverflow" section to the front page.
...
2
votes
1
answer
46
views
MathJax ignores a `\tag` in an `{equation}` containing a `{split}`
The following snippet, when compiled as part of a LaTeX document with appropriate packages loaded, would produce a numbered (well, \tagged) equation:
...
5
votes
2
answers
133
views
In the MathOverflow data, can you determine the number of hours you've spent on MathOverflow?
In your profile, you can find a list of all your questions, answers, and comments, and also how many total days you've been logged into MathOverflow. Is there also a way to determine the total number ...
2
votes
0
answers
68
views
Should community wiki answers be eligible for bounties?
I posted an answer to this question Kepler conjecture: Are there only two most efficient packings or could there be more than two? summarizing various points made in the comments into a coherent ...
16
votes
1
answer
643
views
Are "has this been studied before" questions on topic?
I have a fairly elementary question but rather than feeding it straight to the wolves I thought I would ask it here. Well, via a more general question:
Are questions of the form "has $X$ been ...
7
votes
2
answers
490
views
Systematic downvoting
In the past 7 days, I have received 9 downvotes (on questions that have been otherwise positively received). I suspect someone is systematically downvoting, but doing so with a large enough interval ...
3
votes
2
answers
215
views
How often are questions "successfully" migrated to MSE?
I rarely use MSE and so I don't have a good feel for what it's like overall. I was slightly surprised by a recent comment by Christian Remling which characterizes MSE as a "homework factory with ...
1
vote
1
answer
168
views
Why isn't "Nobody has answered" on the multiple-choice list of reasons for a bounty?
When one is asked "Why are you starting this bounty?" the multiple-choice list of answers does not include "Nobody has answered the question." Choosing the answer that says it has ...
1
vote
1
answer
409
views
Procedure for requesting a complete removal from MathOverflow
With any online community, as the users and the company owning the domain change, it is inevitable that some users will want to exit the community. For example, many Facebook users deleted their ...
8
votes
0
answers
78
views
Dialog for closure misleading when question has been closed and re-opened
I noticed, when clicking "close" on this question: Breakthroughs in mathematics in 2023, that when a question has been closed and re-opened, and you voted to close it previously, the dialog ...
38
votes
4
answers
2k
views
Most important results of the year - appropriate or not?
The question Most important results in 2023 has been posted to MO, and as in previous years, has had a mixed reception. (EDIT: As of this writing, the post has been deleted by the author, presumably ...
0
votes
0
answers
182
views
Is asking for the status of Vandiver's conjecture suitable for MO?
I wonder what the current status of Vandiver's conjecture in number theory is? An internet search revealed the paper "Vandiver's conjecture via K-theory" by Alexander Stolin from 2020 on the ...
1
vote
0
answers
209
views
Should this question be reopened
Given the comments, should this question be reopened Is |A| < |B| possible if A->B is surjective?
With a negative score, no answers and closed it will be automatically deleted, losing the ...
3
votes
0
answers
41
views
Question titles do not auto-expand if URL contains non-ASCII characters?
Consider two versions of What is the modulus of continuity of this function that is continuous, increasing and bounded but nowhere locally Hölder?. Notice that, in the first version, the linked ...
2
votes
1
answer
208
views
Should we be more polite when closing non-research-level questions?
We get many questions from students (usually in high school, or less-advanced undergrads) that are clearly off-topic since they’re well below research-level. Mods and high-rep users are generally ...
1
vote
1
answer
130
views
Undelete a post
Is there any possibility of undeleting a post? I know it was closed years ago as not MO level. So maybe it could be undeleted and then moved to MSE? Just because it hosts a discussion which is ...
12
votes
3
answers
520
views
Request for improvements to the citation bibtex format
According to my bibtex files, I have made citations in my various published articles to 71 different posts on MathOverflow, both questions and answers, often multiple times in different articles, when ...
1
vote
0
answers
163
views
Why is it taking so much longer than it used to for MathJax to get rendered?
These last few days when I click on a posting it sometimes takes more than a minute or even two, for MathJax to get rendered. It used to be a couple of seconds.
Is anything being done to correct this?
5
votes
1
answer
109
views
Getting list of users ordered by date joined
Back in the old days before we moved to the current stackexchange platform, you could list users sorted by their user number. Is it still possible to get such a list? I'm trying to remember an old-...
1
vote
0
answers
122
views
On documents found over the internet and sites that make them available
Yesterday on MO I saw this question and gave this answer by posting a link I found by googling (more precisely, I used DuckDuckGo). The sought for paper is from a series of preprints issued by the ...
15
votes
1
answer
318
views
affiliation or association (in the wording of the promotion help page)
There is a little discussion in the comments of a recent MO question on the meaning of the word "affiliation" in our promotion help page. If you promote one of your own publications in a ...
4
votes
1
answer
196
views
Why does revision 5 of MO120096 look empty?
I recently came across Andrea Mori's question Explicit Casselman theory: reference needed. The comments 1 2 make reference to matrices rendering poorly, and then being fixed, and I was curious what ...
8
votes
3
answers
894
views
Feature: Making the MO-guidelines visible while editing questions?
I noticed that some of the MO questions that get closed are clear-cut going against the MO-guidelines eg. "here is the link to my new result" or "here is the jpg file of my homework ...
0
votes
3
answers
262
views
How long are the lines?
I know that probably my place would be in a mental institution, but I'm a stickler about formatting my questions nicely.
For example, I like to start each sentence in a new line, and I don't like if a ...
2
votes
0
answers
231
views
Undelete request, question 455497 [duplicate]
I'm asking if question 455497 could be undeleted. It was about multiplicative persistence. Even if the question itself was not that well-prepared, it was a valid question about research (at some level ...
8
votes
0
answers
725
views
Is this an AI bot? Can't tell if answer is from a real person
This question of Baez is getting a string of strange answers. I can't tell if the author is a mathematician, but their answers don't make much sense to me.
Which finite abelian groups aren't ...
17
votes
2
answers
770
views
Does anyone remember seeing this answer/comment? (A famous result known earlier than believed)
I remember seeing the following interesting exchange recently on MathOverflow:
someone asked a question about something,
another person ($X$) answered (or commented) that the answer is such-or-such ...
5
votes
1
answer
129
views
Editor is not rendering the equations correctly
I haven't asked a question on Mathoverflow or Mathstackexchange but after while I decided to do so I have realized that the editor has got significantly worse. First of all it is significantly slower ...
0
votes
2
answers
128
views
How is it possible to format a right-aligned sequence that has single and double digits so that the alignment is correct?
I have this MathJax sequence that I want to format properly in MathOverflow:
$$S_m =
\begin{cases}
\begin{aligned}
1, \quad\text{for m=1}\\
12, \quad\text{for m=2}\\
123, \quad\text{for m= 3}\\
...
5
votes
0
answers
126
views
Is there a way to recover old account without email?
I would like to recover my account
https://mathoverflow.net/users/2029/andrey-gogolev
I don't seem to remember the email associated to it. Even if I did I probably don't have that email address ...