Mathematics
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Marc Paul

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

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40 “false implies true” is a true statement Dec 20 '15
6 Lie groups with no free $\mathbb{Z}/2\mathbb{Z}$ action Oct 27 '15
6 Is it known whether all prime powers $p^k$ with $k\ge 8$ are group-abundant? Jan 24 '16
6 Is there only one way to make $\mathbb R^2$ a field? Jan 25 '16
6 Abelianization of the absolute group and maximal abelian extension Feb 11 '16
5 Induction functor from $\mathbb{K}$-mod to ($\mathbb{K}\times\mathbb{K}$)-mod Jan 15 '16
5 An example showing that van der Waerden's theorem is not true for infinite arithmetic progressions Oct 19 '15
4 Artin's Algebra exercise special case of some theorem/problem? Nov 26 '15
4 Examples of non-invariant yet “useful” properties of mathematical objects May 31 '17
4 2 is a square modulo $p$ if and only if $p \equiv \pm 1 \pmod 8$ Jan 27 '16
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