Owen Biesel

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1,183 reputation

818

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visits	member for	5 years, 4 months
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13 Answers

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46	Sexy vacuity …
10	Is the following invariant of rooted trees a complete invariant?
8	Why are inverse images more important than images in mathematics?
6	If $B\subseteq A$ are free & finite rank $R$-algebras, is $R\to A \otimes_B R$ injective?
6	Why are matrices ubiquitous but hypermatrices rare?

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1,183 Reputation

+60	If $B\subseteq A$ are free & finite rank $R$-algebras, is $R\to A \otimes_B R$ injective?
+25	Why are free groups residually finite?
+65	If $B\subseteq A$ are free & finite rank $R$-algebras, is $R\to A \otimes_B R$ injective?

9 Questions

votes activity newest

29	Why are free groups residually finite?
15	If $B\subseteq A$ are free & finite rank $R$-algebras, is $R\to A \otimes_B R$ injective?
8	When can one extend a flat family from a subscheme to the whole scheme?
7	Is 2 a zerodivisor in the ring parametrizing rank-n algebras?
6	Generalizing the Fundamental Theorem of Symmetric Polynomials

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30 Tags

13 ct.category-theory × 5	6 ra.rings-and-algebras × 7
11 set-theory × 3	6 ac.commutative-algebra × 5
10 trees	6 soft-question × 2
10 enumerative-combinatorics	6 linear-algebra
10 graph-theory	6 tensor

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3 Accounts

	Mathematics	1,477 rep	27
	MathOverflow	1,183 rep	818
	TeX - LaTeX	101 rep

20 Badges

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Yearling × 5	Informed
Good Question	Curious
Revival	Excavator
Self-Learner	Good Answer
Nice Question × 2	Notable Question

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