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ccorn

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

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  • Member for 7 years
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  • Last seen May 21 at 18:52

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28 How prove this $\sum_{k=1}^{2^{n-1}}\sigma{(2^n-2k+1)}\sigma{(2k-1)}=8^{n-1}$ Jul 17 '13
22 Galois group of $x^4-5$ Jan 6 '14
16 Is there a good way to compute Christoffel Symbols Apr 10 '16
15 Binomial Identity $\sum\binom{2n+1}{2k+1}\binom{m+k}{2n} = \binom{2m}{2n}$ Dec 11 '13
14 Generalizing the sum of consecutive cubes $\sum_{k=1}^n k^3 = \Big(\sum_{k=1}^n k\Big)^2$ to other odd powers Nov 6 '13
13 I found this odd relationship, $x^2 = \sum_\limits{k = 0}^{x-1} (2k + 1)$. Mar 3 '14
13 Coefficient of $n$th cyclotomic polynomial equals $-\mu(n)$ Apr 3 '14
12 Common Math Mistakes Made by Scientists Nov 22 '13
12 How to prove that trace$(ABA^{-1}B^{-1})$=$3$ Dec 20 '16
12 Ramanujan's tau function identity Jul 16 '15
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