All Questions
489
questions with no upvoted or accepted answers
0
votes
0
answers
100
views
Hinting votes for CW contributions
I would like to learn about opinions about visually indicating votes for contributions to community wiki; what I have in mind is something analogous to the green button in the "menue-line" ...
- 12.9k
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}{\...
- 101
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 ...
user366545
0
votes
0
answers
141
views
Unable to delete this post
I have been wanting to delete this post for quite sometime. Unfortunately a user already answered and my reputation is so low that I can’t accept or delete it.
Note my original question is nothing ...
- 63
0
votes
0
answers
230
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Discouraging (Some) Upvotes
I'm tagging this as "discussion", not as a feature request, because I am quite agnostic about whether it's a good idea.
That said: My subjective impression is that lately a lot of very bad/...
- 22.9k
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votes
0
answers
80
views
Can I ask for advice or opinions about the choice of a variant of a theory?
Basically, I have 2 versions of a theory. This is like having two competing theories of complex numbers, one where $i^2=-1$ and the other where $j^2=1$ (hyperbolic numbers) or extending reals with $+\...
- 9,871
0
votes
0
answers
728
views
Why did my profile picture disappear?
I discovered few days ago that my profile picture is gone, had to reupload it.
Did anybody else encounter this? Do you know the reason?
- 17.9k
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 ...
- 9,871
0
votes
0
answers
111
views
Can I delete one of my posts that has been closed as off topic and received an answer with positive up-vote?
Can I delete one of my posts that has been closed as off topic and received an answer with positive up-vote?
Should I delete all my posts that has been closed as off topic? (with/out answer)
- 4,195
0
votes
0
answers
89
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"Voting corrected" seems incomplete
A few days ago, I was surprised to see a sudden increase in rep of 80 points in the space of a couple minutes. When looking over my profile today, I saw that I had lost 60 points, with the annotation &...
- 4,991
0
votes
0
answers
213
views
Would asking this question be permissible on the main site?
I have been working on a problem for days, that I previously mentioned on ComScience StackExchange. The answers were helpful. But, I need more information to develop a polynomial space algorithm.
I ...
- 101
0
votes
0
answers
137
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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.
- 862
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votes
0
answers
105
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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 ...
- 63
0
votes
0
answers
67
views
Potential rendering issue for formulas
when I entered the following
$$\pmb{ \frac{d_+^n}{dx_+^n}}:= \left(1, \frac{d^1}{dx^1},\,\dots,\,\frac{d^{n-2}}{dx^{n-2}},\,1\right)$$
I observed that the defined fraction has an unsharp ...
- 12.9k
0
votes
0
answers
97
views
Setting up math Q/A site in foreign language
Now that my college shifted to online education because of the coronavirus, I would like to setup a MathOverflow style site in Hungarian where I could post exercises, and students could comment, post ...
- 18.6k
0
votes
0
answers
135
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Would this soft question be appropriate?
A few weeks back on the Math Stack Exchange, I asked this question about "interesting" PDEs. It got (no answers and) some deserved criticism, so I opened a discussion on the Meta there and made some ...
- 3,601
0
votes
0
answers
119
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A questions about "on hold" status of a question and about "closed" status
I have a question that´s been put "on hold". And I have some questions.
Who can see that this question is "on hold"? Can that see all users of the site or even some people who ...
- 297
0
votes
0
answers
105
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MO links chopped in gmail pdf viewer
Currently I am preparing the text for a paper (together with two coauthors) where we cite help from MO on two occasions. I am doing this using the cite button. It ...
- 17.9k
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votes
0
answers
68
views
Is it bad practice to edit my own question with details from the paper provided in the top answer?
I asked a question and received a helpful answer that showed me work that I did not know how to search for. The answer was a link to the author's paper and some context on its relevance. While I could ...
- 429
0
votes
0
answers
97
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reminder for comments/responses
Suppose a user commented on my post and due to some reason I overlooked and then forgot.
As it is my question, the one who responded for my question would not care to write another comment if I do ...
- 5,993
0
votes
0
answers
172
views
Should there be Anonymous Comments?
I currently got a downvote for my question Making a Graph Eulerian for Applying TSP Heuristics, but unfortunately the downvoter didn't leave a comment explaining what the motivation was, thus ...
- 12.9k
0
votes
0
answers
117
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i can’t log in the ios app
I can’t login the ios app, how to fix this problem? Neither the overflow nor the exchange.
0
votes
0
answers
72
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Would this question be on topic?
I'm independently working on some research, and would like to see if there are any other papers on this topic. Can I ask a question on the main site, with a brief description of my work, to see what ...
- 101
0
votes
0
answers
117
views
Is this post incompatible with its tags?
Is the following question incompatible with its tags? I really do not understand the reason that some participants voted to closing this question as off topic question:
PhD dissertations that ...
- 744
0
votes
0
answers
54
views
What if I want to increase bounty by somebody else?
I found an exciting question that somebody gave bounty of 50, and I would like to increase it. Seems there is no way to do it. Why?
Also, I never tried this so I don't know: can I increase my own ...
- 17.9k
0
votes
0
answers
116
views
"Singular Perturbation" is not among tags
Can I ask MO to define a new tag "Singular perturbation". I did not find this tag among the tag list.
Thank you
- 744
0
votes
0
answers
107
views
Another close reason: "subsumed"?
This happened few hours ago: the question Series involving gamma function about the sum of a specific series, probably not research level, was followed by another one, Series involving factorials ...
- 17.9k
0
votes
0
answers
90
views
"Conley index " as a tag
Is there a tag which can be related to methods on Conley index theory?I could not find a tag with this title.
- 744
0
votes
0
answers
85
views
Difficulties merging accounts
hopefully this is an MO.meta appropriate topic.
I have tried merging two accounts (I created the alternate account one day when I forgot my password and wanted to ask a quick question on mobile) and ...
- 692
0
votes
0
answers
175
views
Can you suggest some negative point in this post
Can one suggest me some negative points in the following post with several downvote
https://mathoverflow.net/questions/247716/topological-groupoid-structure-on-a-pair-s3-a
Thank you
- 744
0
votes
0
answers
212
views
Why is this question counted as "off topic"
Why is this question counted as off topic?
Unreasonable application of mathematics to the other areas
- 744
0
votes
0
answers
216
views
Button for cross posts to/from Math SE
People explained me that it is possible to ask same questions in Math SE and MO, and I did this from time to time. I think it's very important to have this possibility, because often you haven't ...
- 7,406
0
votes
0
answers
169
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Is this question suitable for MO?
I recently posted this question on MO. However, it quickly got downvoted and there was a comment which read that "MO is not for homework."
However, that question was not homework and I had not got ...
- 339
-2
votes
1
answer
190
views
Should we delete or reopen these old posts?
The purpose of this question is to link to various old (say $\succeq 1$ year old) closed posts, mostly by no longer active users, most of which are reasonable candidates for deletion, and a few for ...
- 62.6k
-2
votes
1
answer
165
views
New tags: Functional Data Analysis, Time Series, Functional Time Series
In my opinion there should be at least the following two tags, I couldn't find:
"Time Series",
"Functional Data Analysis".
Since functional data are used more and more and time series as a ...
- 195
-3
votes
1
answer
252
views
Rule against asking the same question that was once asked in the past (on another forum, yet)
In its relatively early days, MO was an organic and dynamic website — it encouraged active discussion among its members, that in almost all cases was extremely fruitful.
But now, even if a similar ...
- 2,648
-3
votes
1
answer
206
views
Should there be a separate tag for videos?
Sometimes there are questions about videos, movies, documentaries, etc. (I'll add a small sample below.)
Would it be useful to have a separate tag for this topic? This could possibly help when ...
- 4,648
-4
votes
1
answer
427
views
Should Mathoverflow take a stand against AI?
I am a mathematician with a PhD from 2016 and a long-term user of this website, though I've not been active of late.
I am wondering, should Mathoverflow take a stand against Stackexchange for their ...
user1437
-9
votes
1
answer
389
views
Why is this answer about naming deleted?
My answer for Naming in math: from red herrings to very long names has been deleted. According to Why and how are some answers deleted?, the only two relevant reasons are:
commentary on the question ...
- 101