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for questions about deformation theory, including deformations of manifolds, schemes, Galois representations, and von Neumann algebras.

32 votes

Why are derived categories natural places to do deformation theory?

I'll post an answer to what I think is a reasonable question, hoping that someone more expert will improve on this answer. My apologies if this answer is too chatty. First, a very simple reason you m …
Chris Brav's user avatar
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