15 questions linked to/from Is CRUDE healthy?
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### Requests for Reopen & Undeletion Votes (volume 07/2018 - 12/2020) [duplicate]

The purpose of this thread is to help focus the attention of the community on posts that may require reopen and undeletion votes. A request should be posted as an answer below (one request per answer)....
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### 2020 Moderator Election Q&A - Question Collection [closed]

The purpose of this thread was to collect questions for the questionnaire. The questionnaire is now live, and you may find it here. Mathematics Stack Exchange is scheduled to begin an election next ...
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### 2020 Moderator Election Q&A - Questionnaire

In connection with the 2020 moderator election, we are holding a Q&A thread for the candidates. Questions collected from an earlier thread have been compiled into this one, which shall now serve ...
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### Can we please STOP closing and deleting old posts with answers?

This is a follow-up for a recent questions of mine: What are the merits, if there is any, of deleting (correctly) answered questions in the main site of MSE? I have noticed recently that quite a few ...
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### Is it appropriate to downvote answers for the sake of deleting a question?

I have noticed that sometimes answers are downvoted in order to cause the automatic deletion of a question by the community user. In particular, there are closed questions with $1$-point answers - ...
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### List of chatrooms

This is a place where we could collect list of chat rooms associated with this site. There are several rooms which have potential to be useful if more users were aware of them or more users visited ...
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### The unofficial 2018 elections nomination post

There is a moderator election about to happen; we shall elect two new moderators that will reinforce the team. The procedure dictates that candidates self-nominate (this is not yet possible). ...
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### Should we rate limit answerers?

I was reading this post where Jyrki writes: I have come to think that answers that clearly required less than ten minutes of processing from the part of the answerer should be just left unposted. ...
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### Should we vote to delete wrong answers?

It is not difficult to notice that sometimes an answer is deleted (by users other than the OP)1 simply on the grounds that it is considered incorrect by the users who voted to delete. (Probably if you ...
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### "Be nice" vs. summarily closing questions for being too naive or "frustrating"

I am puzzled by many questions being increasingly frequently closed as "off-topic", for reasons that are not immediately apparent. Below are a couple of random examples from the past day alone. ...
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### Why are the user suspension criteria applied for unfair comments on the main site currently not applied for unfair use of public chat rooms?

After my first 7 days suspension on April 2018, I raised HERE some questions related to the proper use of chat rooms to avoid defamatory actions clearly not compatible with the fair harmony of the ...
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### Can I forsake my superpowers?

I have been slowly collecting gold-badge super-powers in a few categories. I am not comfortable with them. I like to be able to vote on a post, and make the community aware of it and either agree or ...
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### A Meta Thread for Requests for Upvoting Posts Treated Unfairly

Preamble After I asked an unpopular question on Meta, my inactive question on the main site received some downvotes; it seems that the downvoters wanted to remind me of the fact that my post was too ...
This is the first time I met such phenomenon. At the same time two old questions Is there a $2 \times 2$ real matrix $A$ such that $A^2=-4I$? https://math.stackexchange.com/questions/2429346/...