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Mathematics
J.R.'s user avatar
J.R.'s user avatar
J.R.'s user avatar
J.R.
  • Member for 11 years, 11 months
  • Last seen more than 5 years ago
  • Bonn, Germany
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51
Is every composite number the average of two primes?
31
A natural proof of the Cauchy-Schwarz inequality
25
Evaluate $\sum^\infty_{n=1} \frac{1}{n^4} $using Parseval's theorem (Fourier series)
22
Hatcher Problem 2.2.36
21
What is the difference between totally bounded and uniformly bounded?