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

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Top posts (200) All Questions Answers | Votes Newest

90 Easy example why complex numbers are cool Dec 23 '14
63 Polynomials irreducible over $\mathbb{Q}$ but reducible over $\mathbb{F}_p$ for every prime $p$ Jun 20 '12
38 How to prove that the sum and product of two algebraic numbers is algebraic? Jun 7 '12
36 If $H$ is a cyclic subgroup of $G$ and $H$ is normal in $G$, then every subgoup of $H$ is normal in $G$. Feb 8 '12
26 How to find pattern in $1,2,8,9,15,20,26,38…$ infinite sequence? Sep 28 '11
19 If the tensor power $M^{\otimes n} = 0$, is it possible that $M^{\otimes n-1}$ is nonzero? Apr 2 '14
18 Description of Levi factors and unipotent radicals of parabolic subgroups in classical groups Jan 14 '16
17 Proof that determinant rank equals row/column rank Aug 27 '12
16 $x^a - 1$ divides $x^b - 1$ if and only if $a$ divides $b$ Apr 4 '12
16 Is there an infinite simple group with no element of order $2$? May 1 '12
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