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For discussions related to some particular question posted (or to be posted) on the main site. Do not use if your intention is to discuss/ask about a general issue, and you merely linked some question(s) as an example.

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-6 votes
0 answers
152 views

Please, reopen my old question, I now have the answer

I want to answer my old closed question myself. Is there a formula or algorithm to remove infinitesimal and oscillating parts from an expression while keeping finite and infinite ones?
-5 votes
0 answers
312 views

Is something objectionable about this question?

Reference request: Expository paper on the use of functional analysis in differential and integral equations Nobody's said a word about this question, but somebody down-voted it. They didn't explain ...
15 votes
2 answers
829 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 ...
0 votes
0 answers
200 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
211 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 ...
17 votes
2 answers
781 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 ...
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 ...
23 votes
1 answer
561 views

Drive-By Deletion of Answer to Own Question by Moderator

I'm a bit confused by some moderator action. I posted a question asking for a direct proof of a certain fact. A superb answer was provided by Jochen Glueck. (Thanks again!) I came across another proof ...
2 votes
1 answer
351 views

How can I improve my posts to attract responses?

This is a follow up to this post: I haven’t received a response from either this or this post, since, according to @Asaf Karigila: "The longer, more detailed, more effort that is required to ...
7 votes
1 answer
520 views

Repeated re-open/close votes (Tate conjecture)

The question Tate conjecture (Proved?) was asked yesterday, and quite quickly closed; it was then re-opened, and then closed (by, I think, a different set of 5). Questions about proofs of correctness ...
24 votes
2 answers
852 views

Kitty can’t fix it — Old questions inaccessible for logged-in users, giving “unexpected error”

For the past few days, any attempt to access the question Collecting proofs that finite multiplicative subgroups of fields are cyclic results in an internal server error: It seems the poor kitten ...
0 votes
0 answers
133 views

Is this question about partition numbers too broad/vague?

Here's my proposed question (edit: now posted) (edit 2: posted version now edited): I have found an algorithm for counting partitions, and I've been able to express it into a mathematical formula, $P(...
2 votes
1 answer
225 views

Why is this question locked?

This question has only two downvotes, which is not enough to keep it off the front page. I'd therefore like to downvote it, but can't, because it is locked for mysterious reasons. Because this does ...
4 votes
1 answer
388 views

Migrated question returned to MO - how to handle?

The question I am referring to is Is all complicated modern math intuitively understandable? (See the user's math.SE account to see that the question was at one point migrated to math.SE.) I think the ...
-14 votes
2 answers
619 views

Why my nomination for 2022 Community Moderator Election withdrawn without convincing reason?

I was honored to participate in the elections for moderation in MO 2022 , but I am sorry to say that my candidacy was withdrawn today without any convincing reason, frankly, I did not find it ...
4 votes
0 answers
285 views

Can I ask this question on Math Overflow? (Advice on how to get started)

I am thinking of applying for a maths PhD programme. I have more or less an idea of the subfield I'd like to research, but not much more than that. I'm looking for suggestions on how to properly ...
0 votes
0 answers
164 views

Asking if a post about a mathematical characterization of gravitational geons can be potentially interesting for the main site MathOverflow

I would like to ask about if a question about the following subject can be potentially interesting and on topic on MathOverflow. I would like to ask on the main site of MathOverflow about the ...
3 votes
1 answer
396 views

I lost my three questions

About 3_4 days ago 3 questions of mine got down vote but they were not "closed" or "onhold". After these downvotes, each of them became -1 vote, totally. Now I can not find these question. Where are ...
3 votes
0 answers
157 views

Planar geometry on MO

"Planar geometry" here is 2-dimensional Euclidean geometry, usually used as Olympiad geometry problem, its objects just be a bunch of lines and circles, it has no Combinatoric aspect and not ...
1 vote
1 answer
122 views

Downvote and vote to close of a recent question

I recently asked the following question on God's number for higher dimensional sequential move puzzles. It was downvoted once and has a vote to close, even though it is in my eyes a perfectly good ...
9 votes
1 answer
275 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 (...
3 votes
0 answers
159 views

Would this question be appropriate on the main site?

I would like to ask a "big list" style question on the main site. The question would be "How do we pronounce the names of famous mathematicians?". Each answer would be an audio ...
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 ...
0 votes
2 answers
322 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 ...
7 votes
1 answer
278 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 ...
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....
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}{\...
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 ...
1 vote
1 answer
188 views

I can not find one question I have already asked

I had already asked a question as follows: "Is there a one dimensional foliation of a two dimensional manifold whose foliation groupoid is diffeomorphic to a 3 sphere with two north pole. The ...
2 votes
0 answers
184 views

Asking whether this question will be suitable and hence answered by people on MO ? ( I will use career and advice tag)

I am thinking of asking this question on the MO website which is due to the fact that how should I write/ explain the gap in my CV while applying for PHD programs in 2022. Very brief of the situations ...
2 votes
1 answer
272 views

My question is removed

Recently my question entitled "Non existence of a parametrically compatible metric to a complete geodesible vector field on $\mathbb{R}^2\setminus\{p,q\}$" is removed. What is the reason?
8 votes
3 answers
1k views

Acceptability of "Changes forced by the pandemic"

I refer to this question by André Henriques. It is nonstandard, and prima facie there is a clear case for closing it, and at the time of writing there is one vote to do that. However, I personally ...
22 votes
3 answers
3k views

Question about $i$ versus $-i$

I vaguely recall that some years ago, there was an MO question about how to distinguish between the complex numbers $i$ and $-i$, and in what sense this might be meaningful. I also recall that I ...
0 votes
3 answers
748 views

Down vote without comment

I received a down vote on this question without any comment. Can one help me to understand how this question could be improved? I think that a moral and implicit policy of MO is that a comment ...
12 votes
1 answer
1k views

Is this an appropriate MathOverflow question: can I ask for some intuition and "excitement" behind the Dynamical Mordell-Lang conjecture?

I am a math undergraduate at my local university, and I have decided to make it a habit to attend the weekly seminars that are given by the faculty. Today, the talk was on the Dynamic Mordell-Lang ...
0 votes
0 answers
187 views

I want to answer a closed question

Please reopen this question: A problem of an infinite number of balls and an urn I have a nice answer. (Added (DR): now re-opened. Please note there are ten deleted nonsense answers, which I imagine ...
2 votes
0 answers
263 views

Is asking about name of a curve a research level question?

In my opinion this post is not a research level topic but surprisingly it has been received 22 votes. Is the linked post a research level question and appropriate for MO? I think it is more ...
22 votes
1 answer
1k views

One person creating multiple Riemann Hypothesis-related accounts

I have been flagging these posts individually, but I thought maybe a meta question would be a good follow-up, in case the moderators are not aware of the behaviour. As @YemonChoi points out, the ...
1 vote
1 answer
477 views

Student trying to cheat in an exam

This deleted question (10k+ users only) is a student who just copied exam questions and wanted help, and admitted it in the comments to me before deleting the question. I would like this question to ...
20 votes
1 answer
1k views

Someone is trying to delete the Memorable Titles thread

There is currently a vote to delete this very old thread. I am writing to register my strong protest against this and bring it to the attention of other users here on meta. Most memorable titles
4 votes
1 answer
77 views

Why don't images show up in a post?

Why do the image links in the post Triangle angle bisectors, trisectors, quadrisectors, show up as raw source? (I tried deleting everything but the [1] or ...
0 votes
0 answers
137 views

Need details or clarity

I need some help to understand what is unclear with my question A reform of logic to secure naive set theory? and also what details are missing, from other persons perspective.
10 votes
1 answer
468 views

Well-received but unanswered Math SE question; should I consider posting it here or requesting migration?

The Mathematics SE question Can there be an energetically unbounded three-body orbit where escape is impossible due to conservation of angular momentum? was well received and someone had graciously ...
19 votes
4 answers
1k views

Why was "The origin(s) of the word “elliptic” migrated to hsm?

This question on the history of the ellipse terminology was migrated to hsm after a week of being active on MO and receiving several useful answers. Did the OP ask for migration? Why are some ...
10 votes
1 answer
530 views

High accuracy computation question on MO

Can I ask question which require very high accuracy calculation with very delicate nature on MO : Ex: calculate: $$S(q)=\int_{x=2}^q\sin^2\left(\frac{π\Gamma(x)}{2x}\right)dx$$ for $q=10^3$ or $10^...
1 vote
0 answers
132 views

How do I improve the clarity of my post?

I have a question about my MathOverflow post: How do we create a better definition (for my definition of average) which is easier to compute and gives exact values? How do I improve the clarity of my ...
0 votes
0 answers
105 views

Is my question for Math Overflow?

In the first paragraph of Prove or Disprove this Darboux-like sum of a function defined on infinite limit points converges to zero, I state that I do not know whether this is a research question. Is ...
2 votes
0 answers
183 views

Why are people trying to close this question?

Why are people trying to close this question? This was posted yesterday. There are 3 close votes so far and not a single comment from anyone.
1 vote
0 answers
54 views

Should I rewrite my question, or create a new one

I posed this question two days ago, which effectively asks "Has X hard-to-describe special case on Barnette's Conjecture been proven?". In retrospect, I believe it was a poor question. What I now ...
2 votes
1 answer
277 views

Would this question be appropriate for MathOverflow?

I asked this question in Math Stack Exchange several days ago, but I have received no interaction so far, apart from 4 upvotes. I was considering adding a bounty, but since (to my humble understanding)...