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spin
  • Member for 10 years, 2 months
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94
Easy example why complex numbers are cool
82
Polynomials irreducible over $\mathbb{Q}$ but reducible over $\mathbb{F}_p$ for every prime $p$
56
If $H$ is a cyclic subgroup of $G$ and $H$ is normal in $G$, then every subgoup of $H$ is normal in $G$.
52
Which groups can occur as the quotient of a group by its centre?
51
What is Atiyah's topological formulation of the odd order theorem?

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