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KCd
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123
Why it is important to write a function as sum of even and odd functions?
Dec 12, 2020
116
Why, historically, do we multiply matrices as we do?
Jan 7, 2013
100
Can you give an example of a complex math problem that is easy to solve?
Dec 6, 2011
68
Are all algebraic integers with absolute value 1 roots of unity?
Sep 9, 2010
66
Why is Galois correspondence intuitively plausible?
May 20, 2021
58
Looking for a definitive source about Dirichlet finally proving the Unit Theorem in the Sistine Chapel
Aug 27, 2012
49
Irreducibility of $x^n-x-1$ over $\mathbb Q$
May 18, 2014
48
Intuitive explanation of Cauchy's Integral Formula in Complex Analysis
Sep 5, 2010
43
Best Fake Proofs? (A M.SE April Fools Day collection)
Apr 1, 2013
41
Power series representation of arctangent: fails to converge everywhere
Nov 27, 2017
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258
Consequences of the Riemann hypothesis
224
Widely accepted mathematical results that were later shown to be wrong?
114
Demystifying complex numbers
87
Why is Lebesgue integration taught using positive and negative parts of functions?
80
Elementary results with p-adic numbers