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Greg Stevenson's user avatar
Greg Stevenson's user avatar
Greg Stevenson
  • Member for 15 years, 2 months
  • Last seen more than 5 years ago
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81
How do I check if a functor has a (left/right) adjoint?
50
How do I know the derived category is NOT abelian?
49
Order of an automorphism of a finite group
28
What is the "right" definition of a ring?
27
Pushouts in the Category of Schemes