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Owen Biesel's user avatar
Owen Biesel's user avatar
Owen Biesel
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158
Interesting examples of vacuous / void entities
Nov 14, 2010
question
43
Why are free groups residually finite?
Apr 6, 2010
question
19
If $B\subseteq A$ are free & finite rank $R$-algebras, is $R\to A \otimes_B R$ injective?
Aug 29, 2014
question
11
Generalizing the Fundamental Theorem of Symmetric Polynomials
Feb 23, 2012
answer
10
Why are inverse images more important than images in mathematics?
Apr 27, 2010
answer
10
Why are matrices ubiquitous but hypermatrices rare?
Dec 2, 2010
answer
10
Is the following invariant of rooted trees a complete invariant?
Sep 22, 2012
question
9
When can one extend a flat family from a subscheme to the whole scheme?
Sep 30, 2010
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9
Is $G$ always the automorphism group of the trivial $G$-torsor?
Dec 8, 2016
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8
Is 2 a zerodivisor in the ring parametrizing rank-n algebras?
Aug 29, 2012
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What is the significance of left and right eigenvectors?
20
Logarithm of absolute value of a holomorphic function harmonic?
10
Lie Algebra of U(N) and SO(N)
9
Why the definition of limit have a strict inequality rather than not?
9
Help understanding why a block code can correct up to (d-1)/2 errors.