Qiaochu Yuan
  • Member for 11 years, 5 months
  • Last seen more than 1 year ago
Is answering own question okay?
23 votes

My opinion differs from that of most of the moderators, but for what it's worth: I had no problem with you answering your own questions about proving things without the axiom of choice, although I did ...

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Number of answers/views/votes depends on hour of posting
22 votes

There is no way to circumvent this. We can't force people to pay less attention to math.SE during peak hours or more attention away from peak hours. That's what you sign up for when you ask a group of ...

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Is it possible to donate reputation points?
Accepted answer
21 votes

Yes, but only to someone who's answered a question. You can do this by setting a bounty on the question and then assigning it to the answerer. (I am not entirely sure whether you get to choose who ...

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Book recommendations
21 votes

Recommending a book to someone that one has not read oneself without explicitly declaring so makes no sense to me. If you think it's reasonable to start reading a book because someone recommended it ...

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Inappropriate Answers.
21 votes

The goal of answers is not only to help the original poster; otherwise there'd be little reason to keep questions around after they've been answered. Answers can also help other people looking at the ...

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What is the Real Use of Reputation?
21 votes

At a certain point, reputation grants some moderating abilities, and these are very important to the continued functioning and health of the site. Ideally an SE site becomes self-moderating so that it ...

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Concerning posting a ton of questions
Accepted answer
21 votes

Please do not post them all at once. There is a finite amount of space on the front page, and taking all of it for yourself is extremely rude.

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Answering a "green" question.
20 votes

I can't think of a reason not to.

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Can I change the existing question to a new one?
20 votes

Post a new one. There's no reason to remove the accepted answer; that's just unfair.

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Where is @moron?
Accepted answer
20 votes

Moron changed his name. I don't know if it would be appropriate to give the new name; anyway it is not hard to figure out with the appropriate Google search.

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How self-contained should questions be?
Accepted answer
20 votes

Questions should be as self-contained as possible. SE questions are intended to be a long-term resource, analogous to Wikipedia articles, so they shouldn't rely on links that could easily become ...

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What can we do about offensive and worthless posts? (Was: How did this user/answer get access?)
Accepted answer
19 votes

Flag the moderators. The post has been deleted and the account has been destroyed.

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What to do about "What is 48/2(9+3)?"-type questions?
Accepted answer
19 votes

This question should be added to the list of generalizations of common questions, and a definitive answer should be given to it. Then we can close all the others as duplicates of one answer.

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Are Math humour posts allowed?
Accepted answer
19 votes

I would strongly prefer that this not happen. This is exactly what chat is for, and having it spill onto the main site would more or less be spam (in the sense that it detracts from the main purpose ...

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Can a down/up votes be accompanied by a comment?
19 votes

The answer to the question in your title (ignoring the specifics of the situation you're complaining about) is that downvoting is supposed to be a quick and easy way to indicate whether you think the ...

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I seem to have made an enemy
Accepted answer
18 votes

The offending user has been suspended for a day and I am sending them an email now.

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"Bug" in reputation system: correct answer forces change in question, invalidating answer, causing downvotes.
18 votes

Question Q should retain statement $S_1$, possibly struck out like this, and explain that because of someone's useful answer the OP was led to statement $S_2$. In other words, the goal should be ...

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Can someone explain the "economics" of StackExchange points?
17 votes

Economics is not quite the right metaphor. The philosophy behind reputation is gamification. (Economics engages the fancy parts of your brain, but gamification engages the lizard parts.) For what it'...

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Suggestion for "Hint-Only" Tag
Accepted answer
17 votes

Tags are for consolidating questions together. There are a few basic ways they get used: As ways to search for questions on a particular topic. To add to favorite tags. To add to ignored tags. To ...

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Is there a place on this site to put our articles?
17 votes

No, and no. This site is only for asking and answering specific mathematical questions.

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Downvoting unnecessarily complicated/irrelevant answers?
17 votes

If you don't understand the answer, you are not in a position to judge whether it is "unnecessarily" complicated. Mathematicians think about even simple problems in a very different way from non-...

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Misleading Answers = Poor answers
16 votes

If you see a bad answer, downvote it. If you really don't like it, leave a comment explaining why.

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Is it okay to ask mathematical puzzles and problems I have solved?
Accepted answer
16 votes

Yes. This is explicitly encouraged by the Powers That Be.

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Troll or skeptic?
16 votes

Doug is very difficult to talk to, but I can't make up my mind whether he's actually done anything wrong (as opposed to simply misguided). I am convinced he is not a troll. I would recommend that ...

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Multiple small questions = 1 post, or multiple?
Accepted answer
16 votes

Ask about a concept you're not familiar with that's preventing you from checking your own answers. If you can't isolate that concept, ask about the questions in separate posts, but space them out - if ...

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math.SE is no reddit... or is it?
16 votes

I was going to wait and see what happened. I don't think it's a great idea either, but I've been trying to be lax about these things. Edit: TonyK asks How would math.SE be a better place for ...

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On the continued impolite closure of questions by new users for the wrong reasons.
16 votes

Let's be completely clear about this: just as 3k+ users have the right to vote to close, they also have the right to vote to reopen. On MO a standard strategy which has been moderately successful in ...

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What happens to a users questions and answer when they are removed?
Accepted answer
15 votes

It depends. There are two forms of removal: Deletion deletes all posts with a negative vote total. On posts with a non-negative vote total, it denormalizes identity (as in LVK's comment). ...

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User gone rogue
Accepted answer
15 votes

The user has been suspended for 7 days. This is the standard length of time for a first serious issue (and this qualifies as a serious issue).

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Submitting a paper for review
Accepted answer
15 votes

No, and no. Sorry, but this is very far from the purpose of this site.

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