Unanswered Questions
500 questions with no upvoted or accepted answers
11
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270
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New community close vote reason
While doing some cleanup on the home page just now, I noticed that we have a new community specific reason to close.
The second option in the list is new, and leaves me slightly confused. While I ...
- 10.1k
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0
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198
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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, ...
- 151k
11
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0
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389
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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 ...
- 19.1k
11
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395
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Utility of Mathematics: Is this question appropriate here, and if not/if so, how can I phrase it better?
I would like to know if this question is appropriate for Math Overflow, and if so, how I can phrase it better to get the best results.
Question:
I recently spoke with a very nice mathematician who ...
- 101
11
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0
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358
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Role of the tag "gm.general-mathematics"
This question is about the tag gm.general-mathematics. A meta question about it already occurred here, but was less specific (and didn't generate much discussion). See also the discussion in the ...
- 63.9k
11
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544
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Appropriateness of proposed question on applications of number theory in dynamical systems?
Update: the question has now been asked on the main site - Applications of number theory in dynamical systems
I am considering asking a reference-request type question on MO about significant and/or ...
- 760
11
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0
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583
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Primarily opinion-based questions/answers
One closing option is primarily opinion-based: Many good questions generate some degree of opinion based on expert experience, but answers to this question will tend to be almost entirely based on ...
- 63.9k
11
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352
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One more reason to reject an edit: too much alteration
I encountered this now, and have seen it quite frequently before: I would like to reject an edit, and the reason is something between "attempt to reply" and "clearly conflicts with author's intent". ...
- 18.4k
11
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0
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592
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Learn from my mistake
The question "What is the spin connection in 9 dimensions as opposed to 5 dimensions?" received two down votes. I would like to know what I can do to improve the quality of this question. Thank you ...
- 215
11
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0
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262
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Quick or easy methods to post math or diagrams on chat
One of the seeming obstacles to having scheduled informal seminars on chat is the extra work, probably mostly for the leader of the discussion (should there be one), in presenting ideas on the chat ...
- 25.7k
11
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0
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147
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MathJax in suggested edits
Pages like
https://mathoverflow.net/review/suggested-edits/1435
display suggested edits for review. The original and edited versions are displayed in parallel columns with the differences highlighted....
- 56.9k
11
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1
answer
304
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"2 views" hardly different that "2 kviews"
In the old version of MO, the header of a question was accompanied by a graphic information (this is an example): a huge "2" or "2k" and a tiny "views". Now we see Huge "2" and tiny "views" or "kviews"...
- 3,041
10
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0
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560
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Rationale for reputation change on "my" reputation page that says 'User was removed'
At MathOverflow > Help center > Reputation & Moderation I see the following:
[...] a user who voted for one of your posts had their account deleted (either by request or due to violating ...
- 128k
10
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0
answers
548
views
Bounty awarded to an immediately deleted answer
Something peculiar has just happened. A week ago a 300 point bounty has been added to this question (I think its content is hardly relevant to this meta question) [note: the bounty was added by a user ...
- 28.2k
10
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0
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321
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What should you do if you find old duplicates?
Sometimes I discover that "old" MO questions are duplicates of even older MO questions.
Two examples:
Embarrassingly, I found out that my own question: Formula for number of permutations ...
- 24.2k
10
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381
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What to do with the synonyms for the deprecated tags?
Recently, the following tag synonyms were created by a MathOveflow moderator: abstract-algebra $\to$ ra.rings-and-algebras, geometry $\to$ mg.metric-geometry and discrete-mathematics $\to$ co....
- 4,713
10
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0
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704
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2018: a year in moderation
Good morning, all! I'm a Community Manager here at Stack Exchange; some of you might remember me from classic answers such as a temporary change now approaching 6 years live and a list of possibly ...
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10
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0
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590
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Question mysteriously deleted
I answered a question earlier today. It asked something like for an element $g$ of a free group, does there exist a finite-index subgroup of the free group such that g is a basis element of the ...
- 44.8k
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0
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571
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Probability question migrated to stats.stackexchange
What has happened to the following question?: https://mathoverflow.net/posts/202242/revisions
Firstly, it looks like a reasonable question to me (although the notation could be improved). Why was it ...
- 3,937
10
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0
answers
415
views
Is it appropriate to post question asking to prove NP-completness of more than one problem?
I believe that I discovered a method to generate several NP-complete problems. The NP-completeness proof is not immediately apparent to me. I did not find any reference in complexity literature to my ...
- 2,993
10
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0
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1k
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Extending questions and answers gradually
If someone answers my question and I want to generalize it, how should I do it? Is it ok to gradually extend my question as answers improve? An answer to a question I wanted to ask may show me that I ...
- 8,086
10
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0
answers
376
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Area 51 Proposal: Sage and its subcomponents
I proposed a Q&A site for Sage and all its subcomponents viz. GAP, Pari, Singular, Sympy, ... on Area51 here. I thought many mathematicians here who use Sage in their research and teaching here ...
- 1,137
10
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476
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searching mathematical formulae like in Zentralblatt Math
It would be nice if searching mathematical formulae like Zentralblatt Math http://zbmath.org/formulae/ could be implemented.
- 2,026
10
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176
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Enabling MathJax over https
MathOverflow (and indeed all the StackExchange sites) support https connections. However MathJax is currently broken, because the default server for the MathJax distribution doesn't support https.
...
- 7,800
10
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265
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When reviewing suggested edits, cancel rejection and approval votes
I have seen many edit suggestions approved which I consider to be minor edits to old posts (which bump them to the front page), or to actually reduce the quality or readability of the post. Other ...
- 6,210
10
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187
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Wrong message for closing questions as off-topic
I was just reviewing the queue for closing votes, and I noticed that the message displayed in the options for closing as off-topic was:
off-topic because...
This question does not appear to be ...
- 6,210
10
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0
answers
589
views
On "How does the work of a pure mathematician impact society?"
The question How does the work of a pure mathematician impact society? was originally quickly closed, relatively quickly reopened, after a longer time closed again and has at the time of this edit a ...
user9072
10
votes
1
answer
322
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Remove the user-identifying part of the "share" URL
When you click the 'share' button beneath a post on MathOverflow, a box pops up containing a short URL for the post, e.g. of the form
...
- 7,800
9
votes
0
answers
217
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 ...
- 101
9
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0
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295
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New tag for "stochastic partial differential equations" (SPDEs)
Since there are separate tags for a) ODEs, ca.classical-analysis-and-odes and differential-equations and for b) ap.analysis-of-pdes but only one tag for stochastic-differential-equations, I was ...
- 4,579
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310
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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 ...
- 4,713
9
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0
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84
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Feature request: question title should appear above question preview
Just a minor niggle - when I'm reviewing my question, one of the things I want to review is the title. It would be nice if the title appeared just above the preview of my question, so I could review ...
- 645
9
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551
views
Is there such thing as "typical user reputation curve"?
This question is driven by sheer curiosity - maybe even vanity?
My reputation curve acquired curious shape lately:
I can even guess reasons (mostly personal) why the pace is so slow ever after June ...
- 18.4k
9
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0
answers
356
views
Suggested tag: approximation-property
I'm relatively new to MO (but have been on MSE for a longer time), which means that I don't have enough reputation to create new tags. Which is probably a good thing.
Lately I've been puzzling with ...
9
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0
answers
283
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Mathjax CDN is shutting down effective April 30th 2017
If you haven't seen the official announcement yet, Mathjax is shutting down their CDN effective April 30th 2017. We are currently looking for alternatives for hosting this service including self ...
- 101
9
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0
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236
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Should delete votes add a post to the low quality posts review queue?
Presently, unlike "Very Low Quality" flags, delete votes do not add
a post to the "Low Quality Posts" review queue. -- Should they?
Stefan KohlMod
- 19.6k
9
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0
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822
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Probable Homework
This post asks for the solution of a problem subject to various artificial constraints of the sort that frequently arise in homework problems. When asked repeatedly why he wants to impose these ...
- 23k
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282
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Is this question appropriate for MO? (Instability of Newton basins of polynomials at multiple roots)
About a year ago I asked on MO when a Newton basin fractal is continuously determined by the roots of its polynomial. I mentioned in that question that I had convinced myself that the roots of the ...
- 709
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520
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Questions on Mathematical Writing
Where should I ask about how to approach Mathematical paper writing? For example, the question [How to write an abstract for a math paper? ] was put on hold? Which stack exchange site should I have ...
- 1,129
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705
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Why this is off-topic?
I posted a question on MSE for two months and received no helpful answer. So I tried the same question on MO. I got 4 off-topic votes and so the question got migrated back to MSE. I'd like to mention ...
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642
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Why was the question about "expected difference of random variables" put on hold?
As I explained in the answer to the question The metric of the expected difference of random variables, I don't see any reason for closing it other than simple misunderstanding (to put it mildly) on ...
- 17k
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0
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595
views
The Math Teaching Stackexchange proposal is registering 38 more users for a private beta
Edit: Thanks to everyone who has signed up. There are already 162 participants, a number which usually takes several months to acheive.
As mentioned in this post, there is a proposal on Area51 for a ...
- 3,359
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answers
78
views
Tag suggestions on ask page
The ask page tag input box currently looks like this:
The old ask page on MO 1.0 had a much more detailed description of what top-level tags on MO are:
Since appropriate tagging on MO can be ...
- 44.4k
9
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486
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Is this question appropriate? (Counterexamples in Universal Algebra)
I have a question which I'd like to ask, but I'm not sure it's appropriate for MO, and I wanted to get some feedback.
The reasons I'm worried it might be inappropriate are: (1) there are already ...
- 20.7k
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243
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Where is the off switch for the concurrent preview now?
I feel like an idiot but I cannot find it. Meanwhile, if the post is long and has a lot of LaTeX formulae in it, and the connection is imperfect, the wysiwyg regime is a non-stop fight. I figured out ...
- 61.9k
9
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655
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Collatz Question
I voted to close this question about a "5n+1" version of the Collatz conjecture because it appears to be entirely unmotivated, with no heuristics and not even any substantial numerical evidence.
I ...
- 23k
8
votes
0
answers
79
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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 ...
- 24.2k
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733
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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 ...
- 44.4k
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383
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Will the closure of Gfycat affect MO?
Gfycat is a hosting service for (animated) GIF files, which will close on September 1st, 2023. Since some MO users might have included GIF files hosted on Gfycat in their posts, does the service's ...
- 5,407
8
votes
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341
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2022: 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 ...
- 101