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Koenraad van Duin's user avatar
Koenraad van Duin's user avatar
Koenraad van Duin's user avatar
Koenraad van Duin
  • Member for 6 years, 9 months
  • Last seen more than 3 years ago
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wezelezel

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14
Error in proof: $\mathbb{C} \cong \mathbb{C} \times \mathbb{C}$??
11
Number of elements in the quotient ring $\mathbb{Z}[X]/(X^2-3, 2X+4)$
11
Could one make a ring of matrices of uncountable size?
10
Cosets modulo $(2+i)$ in $\mathbb{Z}[i]$
10
$\mathbb{Q}[X,Y]/(Y^2-X^3)$ is not a UFD