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Physics
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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30
"Velvet way" to Grassmann numbers
Feb 11, 2011
question
19
What's the exact connection between bosonic Fock space and the quantum harmonic oscillator?
Jan 8, 2011
question
17
Which derivative with respect to time is which in the Heisenberg picture of quantum mechanics?
Jun 19, 2011
answer
17
Examples of number theory showing up in physics
Dec 1, 2011
answer
16
Is the density operator a mathematical convenience or a 'fundamental' aspect of quantum mechanics?
Oct 30, 2012
question
9
What's a good reference for this classical picture Feynman's talking about?
Jan 21, 2011
question
5
What do I see if I move quickly past a charge surrounded by iron filings?
Oct 22, 2012
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611
Does $\pi$ contain all possible number combinations?
554
Mathematical difference between white and black notes in a piano
327
Intuition for the definition of the Gamma function?
298
V.I. Arnold says Russian students can't solve this problem, but American students can -- why?
278
Examples of common false beliefs in mathematics