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Daniel Barter's user avatar
Daniel Barter's user avatar
Daniel Barter
  • Member for 14 years, 10 months
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Top posts
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47
Nontrivial theorems with trivial proofs
Jun 20, 2010
question
27
Varieties as an introduction to algebraic geometry / How do professional algebraic geometers think about varieties
Oct 21, 2010
question
16
Under what circumstances do morphisms on the stalks of a sheaf induce a sheaf morphism
Jan 12, 2011
question
13
In an arbitrary abelian category, does chain complex homology commute with coproduct?
Sep 18, 2011
answer
12
Tannakian Formalism for the Quaternions and Dihedral Group
Sep 29, 2017
question
11
The metric space associated to a measure space
Nov 4, 2011
question
10
Inverse Image as the left adjoint to pushforward
Apr 14, 2011
answer
10
What are the most elegant proofs that you have learned from MO?
Jun 27, 2010
question
9
Factorial Rings and The Axiom of Choice
May 13, 2010
question
9
Is there a geometric proof for the upper semicontinuity of fiber dimension in algebraic geometry?
Aug 20, 2015
Top network posts
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76
Why should I care about adjoint functors
61
what is expected from a PhD student?
34
The characteristic and minimal polynomial of a companion matrix
34
Abelian categories and axiom (AB5)
31
When is the product of two quotient maps a quotient map?