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KCd

Apparently, this user prefers to keep an air of mystery about them.

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  • Member for 10 years
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89 Can you give an example of a complex math problem that is easy to solve? Dec 6 '11
82 Why, historically, do we multiply matrices as we do? Jan 7 '13
55 Looking for a definitive source about Dirichlet finally proving the Unit Theorem in the Sistine Chapel Aug 27 '12
52 Are all algebraic integers with absolute value 1 roots of unity? Sep 9 '10
40 Intuitive explanation of Cauchy's Integral Formula in Complex Analysis Sep 5 '10
38 Best Fake Proofs? (A M.SE April Fools Day collection) Apr 1 '13
36 Irreducibility of $x^n-x-1$ over $\mathbb Q$ May 18 '14
36 Power series representation of arctangent: fails to converge everywhere Nov 27 '17
30 When did Fubini's name get applied to the theorem without measures? Nov 7 '11
28 Is there an elementary proof that $\sum \limits_{k=1}^n \frac1k$ is never an integer? Aug 19 '10
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