All Questions

Filter by
Sorted by
Tagged with
6 votes
0 answers
195 views

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 ...
Noah Schweber's user avatar
3 votes
1 answer
108 views

Site in read-only mode, but users are still posting new material

For a day now, every time I go to MathOverflow, it says "This site is currently in read-only mode. We’ll return with full functionality soon." But I also see what appear to be new posts from ...
Gerry Myerson's user avatar
-8 votes
1 answer
242 views

What do you think about the following MO question?

What do you think about the following MO question? By posting this question for feedback I am following David Roberts' very patient and kind advice. If you have already seen the question below please ...
ResearchMath's user avatar
1 vote
0 answers
92 views

Why doesn’t the latex render here?

This question has a block of valid latex which doesn’t render when viewed except on edit mode. below are 2 screenshots from my phone. One in edit mode and the other in regular mode. I used this site ...
Sidharth Ghoshal's user avatar
-14 votes
2 answers
445 views

dispute -100 rep decision

I was given -100 reputation for this sound mathematical post https://mathoverflow.net/questions/473947?noredirect=1#comment1231454_473947 This is excessive and I want to dispute this decision, how do ...
ResearchMath's user avatar
5 votes
1 answer
120 views

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 ...
LSpice's user avatar
  • 11.9k
0 votes
0 answers
9 views

Seeking Articles on Closed-Form Formulas for Specific Partial Fraction Expansions [migrated]

I'm currently researching closed-form formulas for functions that have the following type of partial fraction expansion: $$\frac{1}{x^{p}}+\sum_{n=1}^{+\infty}\left(\frac{1}{(x-n)^{p}}+\frac{1}{(x+n)^{...
L.L's user avatar
  • 437
-1 votes
2 answers
305 views

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 ...
alpacahaircut's user avatar
16 votes
1 answer
1k views

Why is the site being flooded with junk right now? What is being done about it?

Right now the site is being flooded with posts from new users, with pseudonymous names, who use a mixture of obvious AI-generated nonsense mathematics and weird sentences (sometimes borderline ...
Sam Hopkins's user avatar
  • 23.1k
-9 votes
1 answer
223 views

User destroyed without explanations or obvious reasons

Yesterday (June 6), somebody posted this answer (now deleted, so users with <10k reputation will not see it). I have not bothered checking whether it is correct, but it surely looks reasonable, and ...
Alex M.'s user avatar
  • 5,347
3 votes
0 answers
99 views

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 ...
LSpice's user avatar
  • 11.9k
17 votes
2 answers
905 views

Users using AI to write lots of answers

Recently, there are a lot of new pseudonymous users with a peculiar pattern of posts: only answers, no questions, in lots of widely differing areas of mathematics (where it is unlikely that one random ...
gmvh's user avatar
  • 2,758
16 votes
1 answer
454 views

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 ...
Alec Rhea's user avatar
  • 9,259
26 votes
1 answer
1k views

OpenAI and MathOverflow?

The agreement between SO and OpenAI seems to have resulted some ill humour. Does MO plan to follow?
J.J. Green's user avatar
  • 2,507
5 votes
1 answer
140 views

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 ...
Jeremy Rickard's user avatar
0 votes
0 answers
138 views

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 ...
Emily's user avatar
  • 11.5k
1 vote
1 answer
82 views

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 ...
Kepler's Triangle's user avatar
39 votes
1 answer
897 views

MO answer formalized in Lean

I have formalized an answer at Homeomorphisms and "mod finite" by @VilleSalo, in a moderately-sized Lean file. Outcome: his claims turned out to be 100% accurate. (The only stumbling block ...
Bjørn Kjos-Hanssen's user avatar
0 votes
1 answer
169 views

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 ...
Jim's user avatar
  • 320
19 votes
2 answers
754 views

More spam bots than usual?

Has anyone noticed the site getting a lot more spam posts than usual over the past couple days? The ones I've seen repeatedly have "BingX referral codes" or similar codes for Bitcoin or ...
Sam Hopkins's user avatar
  • 23.1k
4 votes
0 answers
113 views

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 ...
C7X's user avatar
  • 1,531
4 votes
0 answers
223 views

A mathjax issue with stars in super/subscripts

I encountered Topos associated to a category with glowing-red \*s in it. When trying to edit them out I discovered that whenever I try to replace an ...
მამუკა ჯიბლაძე's user avatar
11 votes
2 answers
694 views

Streamlined tagging for Mochizuki

For better or worse, there is a number of questions at MO on Mochizuki's stuff. I noticed that some of the questions have the tag "abc-conjecture" while others don't have this tag. Should ...
Mikhail Katz's user avatar
  • 15.7k
0 votes
0 answers
180 views

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 ...
Alec Rhea's user avatar
  • 9,259
9 votes
1 answer
569 views

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, ...
Dmytro Taranovsky's user avatar
1 vote
1 answer
76 views

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 ...
Jakobian's user avatar
  • 869
2 votes
2 answers
247 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 ...
Ming Lei's user avatar
15 votes
1 answer
435 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 ...
HenrikRüping's user avatar
50 votes
0 answers
827 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 ...
Tim Campion's user avatar
  • 62.6k
4 votes
0 answers
157 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 ...
LSpice's user avatar
  • 11.9k
0 votes
1 answer
333 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 ...
LSpice's user avatar
  • 11.9k
15 votes
1 answer
560 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 ...
Yemon Choi's user avatar
  • 25.5k
-6 votes
1 answer
274 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 ...
matt's user avatar
  • 1
0 votes
1 answer
227 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 ...
Emmanuel José García's user avatar
5 votes
0 answers
83 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 $\{x\}$, ...
Dominic van der Zypen's user avatar
3 votes
0 answers
85 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 ...
Lawton's user avatar
  • 105
1 vote
2 answers
345 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, ...
EJoshuaS - Stand with Ukraine's user avatar
4 votes
1 answer
216 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 $\times$ ...
Michael Hardy's user avatar
19 votes
1 answer
828 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 ...
Alec Rhea's user avatar
  • 9,259
7 votes
2 answers
131 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 ...
David White - gone from MO's user avatar
15 votes
2 answers
845 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 ...
Emily's user avatar
  • 11.5k
2 votes
1 answer
112 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 ...
David White - gone from MO's user avatar
4 votes
0 answers
82 views

Blocking things from feed

Is it possible to block certain users or tags from appearing on one’s personal feed?
Monroe Eskew's user avatar
  • 18.1k
9 votes
0 answers
211 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 ...
JNat's user avatar
  • 101
8 votes
1 answer
301 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. ...
Martin Sleziak's user avatar
2 votes
1 answer
50 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: ...
LSpice's user avatar
  • 11.9k
5 votes
2 answers
142 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 ...
David White - gone from MO's user avatar
2 votes
0 answers
71 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 ...
Sam Hopkins's user avatar
  • 23.1k
15 votes
1 answer
763 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 ...
JP McCarthy's user avatar
7 votes
2 answers
537 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 ...
varkor's user avatar
  • 9,472

15 30 50 per page
1
2 3 4 5
38