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What happened to the dear user "quid" (9072), they appear deleted?

The user formerly known as quid asked for his account to be deleted from MathOverflow. That was quid's own decision.
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Accepted

How to cite comment by unknown user disproving Erdős conjecture?

This would not be a first, see arXiv:1909.00177 The citation (which I think follows the best practice) is [6] Fedja, Communication on the MathOverflow website (2018), available online at ...
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This answer approaches the subject from more of a network level than a MathOverflow-specific stance. The Stack Exchange Terms of Service deal with this issue as follows: Under no circumstances ...
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Are professional Physicists, Computer Scientists, Engineers, Economists... not allowed to ask questions at MO?

May other professional researchers ask questions at MO? Yes, they can, and they do. However, questions have to be stated clearly and in a way which is understandable to mathematicians. Keep in mind ...

Are professional Physicists, Computer Scientists, Engineers, Economists... not allowed to ask questions at MO?

That sentence is not meant to describe a rule of the site, but rather the purpose of the site. Thus questions from non-professionals which further this purpose (being a great Q&A website for ...
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How to cite comment by unknown user disproving Erdős conjecture?

The citation (which I think follows the best practice) Indeed, that was a good way to handle it :-) The priority here is, as I said many times, to give the due credit to MO and similar sites that ...
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MathOverflow user jailed

As I mentioned in one of my comments, I wrote a Turkish academic in the United States who is close to this issue, and she kindly responded thus: Dear Todd (if I may), I just received the ...
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I brought this up with the moderation team in email; I haven't heard back explicitly from everyone, but have an idea where most of us stand. For now no official action will be taken. Putting aside ...
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Accepted

After some further discussion amongst the moderators, I think we have decided that this username and account photo are inappropriate; they seem to only serve to provoke controversy. I've changed both ...
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What happened to the dear user "quid" (9072), they appear deleted?

quid has outlined his reasons for leaving in this answer (See Footnote 1), in relation to his nomination for a mod position on math.SE.
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Flagging spam user

There are now lots of similarly named accounts (having to do with car insurance) showing up in Recent Badges. I think they are effectively spamming in the Recent Badges space. Going back further, ...
• 27.5k
Accepted

Community standard for contacting users off of MO?

I think that mathematical questions are fine (though don't pester people), but I get annoyed when I get emails about administrative issues (e.g. closures and down votes). Those should be dealt with ...
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What happened to the dear user "quid" (9072), they appear deleted?

Taking Asaf's post as truth that the user requested deletion of their own account (and having no information to the contrary), I encourage people in this community to at best send their well-wishes ...
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What happened to the dear user "quid" (9072), they appear deleted?

A recent discussion in comments under Alon Amit's answer prompts me to offer some reflections on quid's publicly stated feelings and judgments about MO and the differences between MO and Math.SE. I ...
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Are professional Physicists, Computer Scientists, Engineers, Economists... not allowed to ask questions at MO?

You do not need to be a professional mathematician to ask or answer questions on the site. The questions need to be research level mathematical questions. It can be pure math or applied math or ...
• 23.5k
Accepted

Flagging spam user

I'm happy to hear what the community thinks, but my instinctual reaction would be to destroy it. The account has no business here and the page is meanwhile free billboard space: not something I think ...
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the number of on line users at a given moment

Here is a snapshot of the site analytics to which Martin refers: So, roughly $40,000$ page views per day (in the summer). Might be interesting to know what happened on May 14th and on August 8th...
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Ignoring certain users' postings

I share the view by one of the moderators in the post you have linked to that providing such a tool is a bad idea.
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MathOverflow has been part of the Stack Exchange network for a very long time, and the Stack Exchange network doesn't enforce this. (I'm not sure how it was back in the days.) Just as in real life, ...
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Accepted

the number of on line users at a given moment

As far as I know, there is no such thing. See also this post on Mathematics Meta. Number of people online. On main meta you can find some feature requests such as View approximate number of users ...
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Influx of ridiculous number of spam users – what to do?

Unless the accounts start posting there's nothing to worry about. It's spam, yes, but low impact spam whose purpose (search engine optimization) is blocked wholesale by the SE software. The general ...
• 35.3k
Accepted

Who wrote the year of death in the profile page of the late William Thurston?

Please see this discussion, from the old forum 'tea' before it was superceded by MO meta: http://mathoverflow.tqft.net/discussion/1429/loss-of-a-member/ The discussion indicates that it was Anton ...
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MathOverflow user jailed

I happened to see this post, and I'd like to add some words from the other side of the barbed wire. It's a puzzle for me why posts like this are controversial here. I have never been in Turkey, and ...
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Are professional Physicists, Computer Scientists, Engineers, Economists... not allowed to ask questions at MO?

I've often thought that the "for professional mathematicians" is an unnecessarily clumsy and possibly offputting way of stating what is actually meant. Perhaps it should say "MO is a question and ...
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Community standard for contacting users off of MO?

To my knowledge, there is no spoken standard followed by the community. There are general rules of politeness and courtesy: applied here, they suggest to me at most one unsolicited comment and one ...
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It should be noted that one is allowed to change the display name at will. (This has caused some problems; I have seen the downside of being impersonated in this way.) Indeed, many of the display ...
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What happened to the dear user "quid" (9072), they appear deleted?

There is some concern that quid's contributions have disappeared. I can verify that they are still here. For example, this question was answered by quid, and the comments are still preserved. It ...
• 6,339
Accepted

Ignoring certain users' postings

I found a way of mitigating and perhaps solving the issue that prompted my question which may even be acceptable to those that didn't like the idea of hiding users. Certain adblockers (e.g. ublock ...
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