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Mathematics
Qiaochu Yuan's user avatar
Qiaochu Yuan's user avatar
Qiaochu Yuan's user avatar
Qiaochu Yuan
  • Member for 13 years, 11 months
  • Last seen this week
  • Oakland, California, USA
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About

Ex-graduate student. I apologize in advance for some of my old writing.

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answer
603
Does $\pi$ contain all possible number combinations?
Oct 18, 2012
answer
552
Mathematical difference between white and black notes in a piano
Nov 24, 2010
question
323
Intuition for the definition of the Gamma function?
Aug 27, 2010
answer
292
V.I. Arnold says Russian students can't solve this problem, but American students can -- why?
Dec 31, 2015
answer
222
What should be the intuition when working with compactness?
Apr 24, 2013
answer
213
Prove that $C e^x$ is the only set of functions for which $f(x) = f'(x)$
Aug 17, 2011
answer
188
Is infinity a number?
May 1, 2011
answer
168
How many sides does a circle have?
Apr 8, 2011
question
167
What properties of busy beaver numbers are computable?
Jan 6, 2013
answer
166
Is it possible to represent every huge number in abbreviated form?
Aug 26, 2010
Top Meta posts
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I am resigning as moderator
94
Downvoted by another user for the wrong reasons.
92
Proposal: ban verbatim homework questions which have no accompanying text
69
What should one do when one's question has been answered in the comments?
59
Are "please check my proof" type of questions proper?
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Examples of common false beliefs in mathematics
204
What are your favorite instructional counterexamples?
194
Most harmful heuristic?
183
How do I make the conceptual transition from multivariable calculus to differential forms?
172
What are the most misleading alternate definitions in taught mathematics?