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Andrew Critch's user avatar
Andrew Critch's user avatar
Andrew Critch's user avatar
Andrew Critch
  • Member for 15 years, 2 months
  • Last seen more than 6 years ago
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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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answer
204
Why are flat morphisms "flat?"
Nov 25, 2009
answer
67
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
52
Why is it a good idea to study a ring by studying its modules?
Nov 12, 2009
question
48
What axioms are used to prove Gödel's Incompleteness Theorems?
Jan 6, 2013
question
46
What does "linearly disjoint" mean for abstract field extensions?
Dec 9, 2009
answer
43
What is an intuitive view of adjoints? (version 1: category theory)
Nov 23, 2009
question
36
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
32
Visualizing how Cech cohomology detects holes
Nov 12, 2009