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ccorn
  • Member for 11 years, 7 months
  • Last seen more than 6 years ago
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32
How prove this $\sum_{k=1}^{2^{n-1}}\sigma{(2^n-2k+1)}\sigma{(2k-1)}=8^{n-1}$
31
Makefile prepend and append all elements in array
29
Galois group of $x^4-5$
21
Coefficient of $n$th cyclotomic polynomial equals $-\mu(n)$
21
Is there a good way to compute Christoffel Symbols