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Andrew Critch's user avatar
Andrew Critch's user avatar
Andrew Critch's user avatar
Andrew Critch
  • Member for 13 years, 8 months
  • Last seen more than 4 years ago
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About

I lost access to my old MO account in the great MyOpenID culling:

https://mathoverflow.net/users/11/andrew-critch

... currently trying to recover it...

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View all questions and answers
All Questions Answers
Score Newest
answer
188
Why are flat morphisms "flat?"
Nov 25, 2009
answer
65
Why do Groups and Abelian Groups feel so different?
Oct 26, 2009
question
62
Does "finitely presented" mean "always finitely presented"? (Answered: Yes!)
Oct 22, 2009
answer
48
Why is it a good idea to study a ring by studying its modules?
Nov 12, 2009
question
43
What does "linearly disjoint" mean for abstract field extensions?
Dec 9, 2009
answer
41
What is an intuitive view of adjoints? (version 1: category theory)
Nov 23, 2009
question
37
What axioms are used to prove Godel's Incompleteness Theorems?
Jan 6, 2013
question
35
Does finite mathematics need the axiom of infinity?
Oct 15, 2009
question
33
What's a non-abelian totally ordered group?
Nov 3, 2009
question
30
Visualizing how Cech cohomology detects holes
Nov 12, 2009

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