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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
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
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
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
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
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
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
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
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