Qiaochu Yuan
  • Member for 11 years, 6 months
  • Last seen more than 1 year ago
Downvoted by another user for the wrong reasons.
Accepted answer
88 votes

I agree that the voting was spiteful. The offending user has been warned by the moderators to play nice in the past, and that warning appears to have been ignored, so the offending user has been ...

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What should one do when one's question has been answered in the comments?
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66 votes

If the asker won't post the answer as an answer, post the comment as a community wiki answer and accept it.

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Closing questions that show no effort - official policy?
57 votes

My opinion is that we should be substantially more aggressive about closing questions than we currently are. In particular, I think we should be substantially more aggressive about lazy homework ...

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Are "please check my proof" type of questions proper?
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57 votes

You are free to post such questions, but personally I am disinclined to answer questions of this type and I don't think I'm the only one. The problem is that complete proofs are long and annoying to ...

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Congratulations, Qiaochu!
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56 votes

Thanks, everyone! I'm happy that people are getting something out of my contributions.

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Why do women participate less on our site using their real names?
Accepted answer
48 votes

Izabella Laba, a female mathematician, has written two posts about why she does not participate on MathOverflow that you might find interesting: the first, and the second.

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Discussion: what should we do about the increasing number of questions?
43 votes

I have several concerns about the increasing load of questions on math.SE. The two primary ones are probably the following: I am concerned that I see many low-quality questions that look like ...

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Letting less-reputable people answer questions
43 votes

math.SE can be a useful learning environment on the answerer side, but that isn't what it's optimized for. It's optimized for answering people's questions. If all you want to do is learn, then look at ...

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What do you really like about working with/contributing to math-SE?
43 votes

The signal-to-noise ratio here is great. The Stack Exchange team has worked very hard to provide a platform with tools to keep it great: the voting system, community moderation, etc. Reputation may ...

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Editing answers does not give reputation anymore
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40 votes

I don't know why you would call this a "punishment." It makes sense for new users to have more avenues for increasing their reputation, since they need to in order to get more privileges and make a ...

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How can non-experts best contribute?
40 votes

In no particular order: Vote. Comment. Even if it's just to say "wow, this answer was really helpful, thanks!" But especially if it's to say something like "I'm not sure I understand what you did in ...

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Suspicious behavior between two MSE users
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36 votes

Madrit Zhaku has apparently done this twice in the past, so he's been suspended for a year. In the future, please contact the moderators directly about such issues (for example via flagging).

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Is it appropriate to ask "dumb" questions.
35 votes

There is no lower bound on how "dumb" a question can be here. We only ask that you've put some honest effort into it (e.g. that you don't ask a question about a homework problem you don't understand ...

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Is cross-posted forbidden/discouraged on Stack Exchange sites? If so, why?
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34 votes

My personal opinion is that cross-posting is okay as long as each question links to all other versions of itself. Otherwise you risk unnecessary duplication of effort (someone slaves over a hot stove ...

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Announcement: A change of moderators
33 votes

Thank you for this. Now would probably be a good time for me to say some things. Part of recent events involved me provoking Bill in a rash and stupid manner, and I apologize for this. I am very ...

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Reputation points for less elementary questions and answers are low
32 votes

This is inevitable for structural reasons, as Will says. The truth is that most users simply do not have the expertise to judge less elementary questions and answers one way or another, and there's ...

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discrepancies between skills and ambitions
31 votes

Lieven le Bruyn has some remarks related to this issue in this blog post: When given the option, students prefer you to tell them monstrous-moonshine stories even though they can barely prove ...

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Math Stack Exchange versus MathOverflow for a beginning graduate student
29 votes

I think you should err on the side of just asking on MathOverflow. There aren't enough interesting questions on MO these days anyway. If you're worried about your reputation (in the colloquial sense) ...

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Thoughts on ad hoc answers to homework questions?
29 votes

People are free to post whatever (useful) answers they want. If you think an answer is suboptimal in some way, you demonstrate that by commenting and/or voting on it. There's no need for a policy ...

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Wrong answer that has been accepted
Accepted answer
28 votes

I don't see what's inflammatory about "this is wrong, here is the correct answer." If you are right and the accepted answer is wrong it is in everyone's interest to know this. If you want to be extra ...

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How far should the answer go?
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26 votes

Both. If you want to do one, do one. If you want to do the other, do the other. Answers are not only for the asker.

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Wrongfully declined flag?
26 votes

Some quick thoughts. This answer clearly doesn't belong to this question. I am glad it was flagged, and if I had seen the flag I would have deleted the answer immediately. It is completely normal ...

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Is this an adequate place to ask for simplifications on mathematical concepts?
Accepted answer
25 votes

Sure, but try to keep your questions focused. If a reasonable answer to your question would consist of a book, you're asking for too much. If a reasonable answer to your question would consist of a ...

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Should I be leery of downvoting 'competing' answers on questions?
25 votes

Bad answers should be downvoted if you feel you have the expertise to conclude that they are bad with some confidence. This is useful information you are communicating to other users, who may not have ...

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Why do we allow questions from unregistered users?
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25 votes

The goal is to make barriers to entry as low as possible. If allowing questions from unregistered users leads to more participation, that's great. If most of that participation is low-quality, well, ...

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Deleting your own answers
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25 votes

Pete Clark made a remark in another meta thread to the effect that often he believes two answers to have the same content, but the OP finds one answer much clearer than the other. In general, I think ...

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Length of time to wait before accepting an answer
25 votes

It is good practice to wait a few days, for the following reasons: People are less likely to look at a question with an accepted answer. Delaying acceptance means that more people will see the ...

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How do people feel about powerusers having the ability to display a donate button in their profile?
25 votes

Adding monetary incentives would cheapen the whole thing. The underlying psychological process that makes sites like the SE sites and Wikipedia work has no need for external incentives, and adding ...

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Why was "Rational numbers - sticks and stones" deleted?
23 votes

Now might be a good time to provide information that I do not think even the other moderators have. Some time ago I was contacted by David Savitt, who helps run Canada/USA Mathcamp, about an account ...

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Request for my id to be deleted
23 votes

Done. Some clarifications for everyone else: As Mad Scientist says in the comments, the SE privacy policy does not allow us to release anyone's IP addresses. This is not under our control. I strongly ...

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