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Mathematics
Qiaochu Yuan's user avatar
Qiaochu Yuan's user avatar
Qiaochu Yuan's user avatar
Qiaochu Yuan
  • Member for 15 years, 4 months
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About

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

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Top posts

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624
Does $\pi$ contain all possible number combinations?
Oct 18, 2012
561
Mathematical difference between white and black notes in a piano
Nov 24, 2010
338
Intuition for the definition of the Gamma function?
Aug 27, 2010
303
V.I. Arnold says Russian students can't solve this problem, but American students can -- why?
Dec 31, 2015
241
What should be the intuition when working with compactness?
Apr 24, 2013
219
Prove that $C e^x$ is the only set of functions for which $f(x) = f'(x)$
Aug 17, 2011
198
Is infinity a number?
May 1, 2011
174
How many sides does a circle have?
Apr 8, 2011
169
What properties of busy beaver numbers are computable?
Jan 6, 2013
165
Is it possible to represent every huge number in abbreviated form?
Aug 26, 2010

Top Meta posts

32
191
207
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
70
What should one do when one's question has been answered in the comments?
61
Are "please check my proof" type of questions proper?

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292
Examples of common false beliefs in mathematics
219
What are your favorite instructional counterexamples?
196
Most harmful heuristic?
193
How do I make the conceptual transition from multivariable calculus to differential forms?
179
What are the most misleading alternate definitions in taught mathematics?