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changed the statement 2012-05-01 19fcc8a
Geometrically regular over separable algebraic

	Besides some small changes this commit contains the following
	result: If k ---> k' ---> A are ring maps with k'/k an algebraic
	separable extension, then A is geometrically regular over k if
	and only if A is geometrically regular over k'. This takes a bit
	of work to prove as you have to "think about it right".
assigned tag 051G 2010-07-30 ccff9bd
Tags: Added new tags
created statement with label lemma-local-artinian-characterize-flat in algebra.tex 2010-07-30 0d3f587
Flattening stratifications

	Lots of changes. Up to and including the existence of the closed
	stratum of the flattening stratification for a finite type
	scheme over a complete local Noetherian ring.