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Nov 5, 2013 at 20:43 comment added flatness @Litt: Even with the assumption, I doubt one can prove much without resolutions as one needs to handle the blowup arising in the R-G argument.
Nov 5, 2013 at 17:20 review First posts
Nov 5, 2013 at 17:30
Nov 5, 2013 at 17:05 comment added Daniel Litt My interpretation of the question is that $B$ is given at the outset; but perhaps the OP should clarify.
Nov 5, 2013 at 17:01 history answered flatness CC BY-SA 3.0