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17 votes
2 answers
802 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
  • 2,798
1 vote
0 answers
117 views

There is no any answer box for this post

I would like to add an answer to this question but there is no any answer box for this question. What is the reason? Nonequivalent definitions in Mathematics
Ali Taghavi's user avatar
18 votes
0 answers
577 views

Posting multiple "answers" to an already answered question

This question was asked and correctly answered three weeks ago. Since then another user has posted, as of today, five other "answers" describing his thoughts about related questions, ...
Nik Weaver's user avatar
  • 42.4k
3 votes
1 answer
100 views

Edit history lost on migration

According to a comment, @Marco's answer to Notation about n choose k permutations was edited before migration. However, nothing displays in the edit history. (This seems appropriate to ask here since ...
LSpice's user avatar
  • 11.7k
3 votes
2 answers
199 views

Should we allow link-only answers that point to stable, well known and respectable sites?

I have just been presented with an answer in the VLQ queue that consisted essentially in a link to a preprint on arXiv. The user having posted it is a high reputation user, so he definitely knows the ...
Alex M.'s user avatar
  • 5,345
14 votes
0 answers
1k views

Why is the question about SO(4) embedding into SU(3) attracting so many troll answers

This question: Is SO(4) a subgroup of SU(3)? has already attracted 5 rude spam answers (most of which have been deleted by the time I posted this, but if you have enough reputation you can see them). ...
Sam Hopkins's user avatar
  • 23.1k
1 vote
0 answers
204 views

What is the correct action if the OP finds an answer incorrect (with a recent example)?

While I certainly think that the OP of the question Non trivial zeros of Riemann zeta function definitely abuses MO in a couple of ways, still I believe it is a good example for the question in the ...
მამუკა ჯიბლაძე's user avatar
1 vote
1 answer
103 views

Feature request: displaying all answers of a given user

It frequently happens that I want to find my old answer. The list of answers on my page consists of 35 pages, so searching in it using my browser search is too time consuming. On the other hand, if I ...
Alexandre Eremenko's user avatar
11 votes
3 answers
746 views

Does the number of answers really drop over years?

This was caused by an answer of mine to the question Slight downward trend in Q & A. I was adding another update to that answer when I noticed that the query I was using there now can be run for ...
მამუკა ჯიბლაძე's user avatar
2 votes
0 answers
107 views

Collaborate to answer

Question: If the question is about proving $P$, which, pointed out in comments, follows from $Q$ and $R$. Is it acceptable to write an answer only containing the proof of $Q$, as part of collaboration?...
LeechLattice's user avatar
  • 9,441
0 votes
2 answers
304 views

Not accepting answers

In my opinion, there is a moral obligation on those asking questions to do something with the answers: Either accept one, or to explain why none of the answers is satisfactory. I do not see this ...
TJP's user avatar
  • 51
9 votes
4 answers
659 views

Is it a bad practise to add details (limited) to some one's answer?

A user X answered my (some one else's) question in a compact way (less than $10$ lines). Upon discussion, user X has explained somethings in comment which made answer clearer. Is it considered to ...
Praphulla Koushik's user avatar
1 vote
0 answers
213 views

What do you see to upvote an answer?

Question is as in the title? What makes you to up vote an answer? Most of my answers are with $0$ upvotes. I am trying to understand the reason. One of the reasons could be that mathematics that I ...
Praphulla Koushik's user avatar
0 votes
0 answers
97 views

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 ...
Praphulla Koushik's user avatar
28 votes
3 answers
1k views

Asking questions with out answering any one else’s question

Here I only ask questions and do not (can not answer for lack of knowledge) answer any of the questions. Sometimes I feel it is bad. Some questions that I know answer to are either closed as not ...
Praphulla Koushik's user avatar
1 vote
0 answers
71 views

Tagging Answers?

Simple question: should the tagging of a question cover answers? Suppose I asked a question about a mathematical problem and in the answers contained for example: pointers to literature algorithms ...
Manfred Weis's user avatar
  • 12.8k
1 vote
0 answers
43 views

Should I accept an answer to the "concrete" part of my question and ask another one about the "vague part"?

Suppose I am trying to prove a certain statement $S$ and find that a certain plausible statement $T$ implies $S$. However, I don't think that they are equivalent, and so there are possibly other ...
erz's user avatar
  • 5,457
7 votes
0 answers
336 views

There is no an answer button for certain Wiki question [duplicate]

Edit: My problem has been solved about 12 hours after that I wrote this meta post. I wish to answer this question but it seems that it is impossible to answer it. It is written that "To ...
Ali Taghavi's user avatar
1 vote
1 answer
156 views

The "Oldest" answer

Assume that a given question has several answers. So in the answer part there are 3 button "Active", "Oldest" and "Vote" When we clique on "oldest", we lead to a unique answer. Is ...
Ali Taghavi's user avatar
10 votes
2 answers
408 views

What to do with a question answered in pieces?

I asked a question with multiple sub-questions, all in the same theme. There are four answers, which together answer the whole question without significant overlap. I'd like to move this question ...
Noah Schweber's user avatar
2 votes
1 answer
168 views

Undo accepting the answer

When I accept someone's answer to my questio, then this user gets +15 reputation while I get +2 reputation. What will happen if I undo my decision? And what if I further acept somebody's else answer? ...
truebaran's user avatar
  • 9,200
10 votes
1 answer
393 views

How much detail do I have to provide in an answer?

In a mathoverflow answer, one usually doesn't want to provide all the details of a proof, especially if the question is not really research level (but not trivial enough to be closed). I feel that a ...
domotorp's user avatar
  • 18.5k
16 votes
1 answer
564 views

Is there a problem with answers clarified in comments, but the clarification not reflected in the answer itself?

Occasionally I am re-reading my answers in case I've overlooked something or left some misguiding misprint or something. What I noticed is that there are a couple of them where I was not entirely ...
მამუკა ჯიბლაძე's user avatar
10 votes
1 answer
433 views

Delete wrong answers or leave them for instructional purposes

It is tempting to just delete a wrong answer on mathoverflow.net. However, some errors are subtle, and it might be instructive to label some wrong answers as such, but leave them on MO to highlight ...
Dominic van der Zypen's user avatar
9 votes
2 answers
592 views

Is universal public visibility of up-votes/reputation/badges really beneficial?

Parabolically, suppose that Quentin asks a question that may as well be well-thought-out and interesting; suppose Albert and Beatrice work out answers A and B, that Albert's answer looks good and ...
Jesse C. McKeown's user avatar
3 votes
1 answer
220 views

The largest number of answers

I would like to know how to find the posts that contain the largest number of answers.
Zbigniew's user avatar
  • 416
8 votes
1 answer
207 views

Question with several subquestions

Suppose one question posting contains several question. If I can answer one question, but cannot answer all of the questions, is it ok to post my answer as an answer, and not just as a comment?
Dominic van der Zypen's user avatar
7 votes
3 answers
423 views

How do I link to a MO answer?

Sometimes you see in answers or questions a link to an earlier answer to a different question. The url often is a mysterious sequence of digits and letters. How is it obtained? Linking to a question ...
Vincent's user avatar
  • 2,457
25 votes
2 answers
1k views

My question has already been asked, but not really answered? What should I do?

I have a question I am curious about: call it $Q$. There exists a posted question $P$ on MO which asks my question $Q$. More precisely, $P$ states a series of (slightly vague) questions, one of ...
Charles Rezk's user avatar
  • 26.8k
24 votes
1 answer
1k views

I can't understand the answers

I found myself in a slightly awkward situation. "Working" (hobby) on group conjugation I learnt about quandles and I finally managed to formulate some questions of some of the issues that interest me ...
MphLee's user avatar
  • 233
11 votes
3 answers
689 views

"This question has been answered in the comments."

Athanagor Wurlitzer has recently been adding answers saying "This question has been answered in the comments" (see, e.g. https://mathoverflow.net/a/156051/3). I'm inclined to delete these answers (...
Kim Morrison's user avatar
  • 7,600
19 votes
4 answers
2k views

Dealing with possible incorrectness

I have seen a few responses on MO that I think are either incorrect or possibly incorrect. What is the best way to draw attention to possible incorrectness? (I provide two examples below; if this is ...
Benjamin Dickman's user avatar
9 votes
1 answer
393 views

Trouble understanding criterion to answer protected question

This question is protected, and the box at the end says: "To answer it, you must have earned at least 10 reputation on this site." What does this mean? I am asking because I am currently shown as ...
O.R.'s user avatar
  • 807
6 votes
2 answers
745 views

Appropriate Reaction to a Failed Reference Request on MO

This follows Amir Asghari's advice concerning my comment on the answer to Answering my own question: Background of my question is, that I can envisage different reasons for reference requests on ...
Manfred Weis's user avatar
  • 12.8k
8 votes
1 answer
477 views

Answering my own question

As a typical scenario, assume I ask for examples of some mathematical phenomenon and somebody answers my question and provides 2 families of examples. After several months, I figure a third family of ...
user avatar