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I deleted that comment in response to a 'no longer needed' flag, as it did not contain much concrete information (in contrast to Carlo Beenakker's response). Thus, to answer your question -- the comme …

[REOPENED] The closure of this question seems rather rude to me, in particular in view of the strong gender bias on this site. -- Also I think neither its vote score nor that of its five upvoted answ …

Do the recent changes to Stack Exchange Terms of Service affect MathOverflow in any way -- and if yes, what are the concrete effects?

The close votes review history records only reviews, i.e. close votes which are cast directly and not from review are not listed. This means that a question can get closed without any trace of it in t …

[REOPENED] The question Identify one group of linear transformations was closed as "unclear what you're asking". Afterwards it has been edited and clarified. I don't see what is still "unclear" in th …

Is there a way to answer questions like the following, either by means of the StackExchange Date Explorer or by other means?: How many of the regular MathOverflow users (say, e.g., those who contrib …

Put a line of the form ![Text to be shown if the picture is unavailable][1] at the place in your post where the graphics should appear, put the graphics online on a website you have write access to …

In general, questions / "puzzles" where you already know the answer are not suitable for MO. Also, it is usually not welcomed to immediately cross-post questions from other sites here -- thus even if …

Yes, they can. -- See https://mathoverflow.net/help/privileges/moderator-tools.

I have just noticed at https://mathoverflow.net/review/suggested-edits/stats that a user user4148 who registered only today has already reviewed one suggested edit. -- How is this possible?

Being "community wiki" is a property of an individual post. Answers can be made community wiki by the person posting them, but since the move to MO 2.0, questions can be made community wiki only by th …

Yes, close- / reopen votes do expire after some time. -- To cite the help center: Close votes age away harmlessly after 4 days if the threshold is not reached. Each new close vote resets the tim …

Spam (i.e. commercial advertisements) should be flagged as such. -- Six spam flags delete a post.

Recently I have placed a bounty on this question. The question has no answer in technical terms, but it has been answered in a comment within the bounty period. Now the banner below the question says …