Trending questions
1,909 questions
16
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New bolded tags?
The past few days, I’ve noticed that the question tags on the main site are now bolded; is there any way to revert them back to normal? (Not the end of the world, but I find it distracting more than ...
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-1
votes
2
answers
331
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Asking for consensus on mathematical conventions/definitions
Is this (mathoverflow or meta) a reasonable place to ask nuanced questions about how the mathematical community interprets mathematical terms and how they are used in common questions? For example: is ...
- 101
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votes
1
answer
68
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Why is this? (searching by filter)
I am searching using a filter composed of several tags, and get empty results:
Why?
- 10.1k
5
votes
0
answers
296
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Possible delay/review to deal with troll posts
In light of the ongoing garbage flood, I am curious whether the following would be possible to institute (and/or a good idea):
When a new/unregistered (or under-X-rep.) account posts an answer or ...
- 20.7k
29
votes
4
answers
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What would be the disadvantages of a (hypothetical) MOexit?
The hypothetical possibility of MO leaving StackExchange was mentioned here on meta.MO a few years ago and was mentioned again recently. In a comment, Sam Hopkins asked what I think is a good ...
- 82.7k
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We have our first user with more than 200K reputation!
Congratulations to Joel David Hamkins who on (I think!) the 27th November 2022, was the first MathOverflow user to pass 200k reputation! Since Joel joined on the 19th November 2009, he has supplied ...
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0
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What input is blacklisted on MO?
I wonder whether it could be possible to make public which input is blacklisted in titles, posts, tags here on MathOverflow. Or at least a redacted list - I could understand that the mods might keep ...
- 4,713
4
votes
1
answer
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Edit summary rejected with "Comment reserved for system use. Please use an appropriate comment."
I recently tried to submit an edit to Why does an invariant measure define a Schwartzman cycle? No matter what I put in my edit summary, it was rejected with the message "Comment reserved for ...
- 12.9k
3
votes
0
answers
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Why can't question titles end with a period?
This is probably a duplicate, but gentle searching didn't turn it up; it's hard to know what'd be a good query.
I tried several times (within the grace period, so it only shows up once) to submit an ...
- 12.9k
15
votes
1
answer
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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 ...
- 25.8k
117
votes
23
answers
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MO-Hard Questions
The term "MO-Hard" has entered the mathematical vocabulary, describing interesting questions that were asked on MathOverflow but haven't been answered in spite of efforts by many community members. ...
32
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114
answers
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Requests for reopen and undelete votes for closed and deleted questions
Since I expect this may prove rather useful, I'm blatantly purloining Asaf's question from meta.math.se.
Please post general requests for reopen votes as answers below.
Beware that "short" ...
10
votes
1
answer
587
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MathOverflow answers and peer review
Sometimes, the asker does not have sufficient background to verify an answer. How should one handle such cases?
Some of the signals on whether to accept such an answer are whether it 'looks' good, ...
- 7,545
15
votes
1
answer
452
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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 ...
- 11.1k
15
votes
2
answers
916
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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 ...
- 11.8k
2
votes
2
answers
262
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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 ...
- 1
1
vote
2
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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, ...
0
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0
answers
78
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Is there a way to find a comment of a deleted post?
This math.se post in the comments of the question has a comment stating "There is a good comment by Henrik Rüping at MO."
Unfortunately the link to the MO post from the question itself has ...
- 2,689
12
votes
3
answers
540
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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 ...
- 237k
0
votes
1
answer
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Are questions about whether a type of work/problem/solution or (one's own) arxiv paper is publishable on topic?
This is a bit related to the question:
Are "has this been studied before" questions on topic?
If I post something in the arxiv, can I ask for an opinion as to whether: 1) it's been done ...
- 330
26
votes
2
answers
1k
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Policy toward GPT-generated conjectures?
The recent MO post, A number theoretic conjecture by Chat GPT, posed a conjecture that was generated by ChatGPT. In my opinion, it was not a particularly interesting conjecture. For me at least, the ...
- 82.7k
5
votes
1
answer
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Is something wrong with the citation helper?
I've found the citation helper very useful for inserting references in posts, and I always used to be very impressed at its ability to find details of even some quite obscure papers.
But recently it ...
- 35.2k
6
votes
2
answers
548
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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 ...
- 10.7k
19
votes
1
answer
837
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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 ...
- 10.1k
0
votes
1
answer
346
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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 ...
- 12.9k
3
votes
0
answers
107
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Do lookalike characters in question titles pose any risks?
Attacks via "lookalike domains" are a known malicious trick. Is any risk posed by a lookalike question title?
I know that's rather vague, and it's a concern that seldom arises. I give an ...
- 12.9k
-6
votes
1
answer
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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 ...
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22
votes
13
answers
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2021 Moderator election: suggestions for nominees?
As you may have seen, the nominations for the 2021 moderator election will be open on March 29. Per StackExchange rules, MO users are expected to nominate themselves for the election. For some ...
- 43.7k
17
votes
2
answers
794
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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 ...
- 32.5k
8
votes
1
answer
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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.
...
- 4,713
13
votes
6
answers
2k
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Let us wear hats
Many of the other stackexchange sites enable a festive wintertime custom every year in late December, the Winter Bash, in which user profiles are accommodated with fanciful hats, earned for various ...
- 237k
7
votes
2
answers
143
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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 ...
- 30.3k
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votes
0
answers
160
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Announcement: A stacks project for category theory
I'm releasing today The Clowder Project, a tag-based wiki and reference for category theory powered by Gerby.
I plan to eventually make it into a comprehensive resource for category theory, in the ...
- 11.8k
1
vote
0
answers
62
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Why isn't users rep showing on their posts? [duplicate]
Example image is below. Where the user's reputation is normally, it is completely blank? Why? What is happening? I tried reloading and looking at other questions with the same result. The problem also ...
- 101
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0
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859
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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 ...
- 64k
0
votes
1
answer
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What tags are appropriate for a "reverse" reference request?
I have a just asked a question, searching for information on a reference, but I'm not sure what tags to use. I know the reference, although I know no further details about it.
A similar question ...
4
votes
1
answer
251
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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 $\times$ ...
0
votes
1
answer
230
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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 ...
8
votes
3
answers
911
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 ...
- 4,579
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votes
11
answers
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2022 Moderator Election Q&A – Question Collection
The purpose of this thread was to collect questions for the questionnaire. The questionnaire is now live, and you may find it here.
MathOverflow is scheduled for an election next week, 2022-09-19. In ...
- 101
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votes
2
answers
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Clarifying an answer that was deleted by moderators [2023]
I recently posted a controversial answer to a question, then spent a few days off site life-tending while things cooled off. When I returned with the intent of seeing how the controversy had been ...
- 10.1k
4
votes
2
answers
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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 ...
- 82.7k
1
vote
1
answer
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Ordered rings tag
I've noticed that while there are tags ordered-groups and ordered-fields, there is no tag ordered-rings. The issue is that there was a little amount of questions with this tag. So it got deleted.
I ...
- 1,211
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0
answers
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Incentivizing ‘bad’ questions
As a 5+ year member of MO, I remember the old days when upvotes on questions only netted you 5 points as opposed to the current 10.
While I was generally glad to see good questions being rewarded in a ...
- 10.1k
4
votes
0
answers
123
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Discrepancy between MathOverflow logo and this site's logo
There is a slight difference between the sizes of the boxes in the MO logo and the Meta.MO logo. The MO logo's box is slightly longer and the gap in the rightmost side is slightly less tall. The ...
- 2,031
1
vote
1
answer
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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 ...
- 30.3k
23
votes
1
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824
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Update on "Who owns my MathOverflow posts?"
I saw the question previously asked in:
Who owns my MathOverflow posts?
Unfortunately, I was not able to get a clear answer by reading the responses to that question, as other people had commented ...
- 3,101
35
votes
1
answer
692
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Opt out of the new upvote/downvote buttons?
I guess most of you have noticed by now the new upvote/downvote buttons. This seems to be in line with all the other SE sites (though I admit I haven't checked each and every one of them).
Does MO ...
- 7,127
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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 ...
- 30.3k
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3
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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....
- 56.9k