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Owen Biesel

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

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124 Interesting examples of vacuous / void entities Nov 14 '10
38 Why are free groups residually finite? Apr 6 '10
18 If $B\subseteq A$ are free & finite rank $R$-algebras, is $R\to A \otimes_B R$ injective? Aug 29 '14
10 Generalizing the Fundamental Theorem of Symmetric Polynomials Feb 23 '12
10 Is the following invariant of rooted trees a complete invariant? Sep 22 '12
9 Why are inverse images more important than images in mathematics? Apr 27 '10
9 Is $G$ always the automorphism group of the trivial $G$-torsor? Dec 8 '16
8 When can one extend a flat family from a subscheme to the whole scheme? Sep 30 '10
8 Is 2 a zerodivisor in the ring parametrizing rank-n algebras? Aug 29 '12
8 Why are matrices ubiquitous but hypermatrices rare? Dec 2 '10
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