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changed the statement 2013-06-22 e2d6d04
Taking Rlim sometimes gives nice complexes

Three results. The final one tells us we can obtain perfect complexes
over I-adically complete rings as limits of perfect complexes over the
quotients A/I^n.

This kind of thing is used in crystalline cohomology.

Question: is there a nice way to use the results on derived completion
in the setting of crystalline cohomology?
assigned tag 07MY 2012-04-08 e40cc30
Tags: Added new tags
changed the statement 2012-04-03 5ba95ad
Fix error and fallout

	Thanks to Bhargav Bhatt for spotting the error.
created statement with label remark-complete-perfect in crystalline.tex 2012-04-02 621d4ec
Series of remarks on crystalline cohomology

	This is just a plan for how to work through this mess of
	crystalline cohomology. Please let me know if you have comments,
	suggestions, errors, etc.