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History of tag 0658

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changed the statement and the proof 2015-05-27 bb60520
New section on splitting complexes

Try to explain better what is going on. Also fixed an error
in Lemma Tag 068W
changed the statement and the proof 2011-04-27 208fd3e
Filling in missing material

	In particular, we improved the exposition on finite projective
	dimension and finite global dimension a tiny bit.
changed the statement 2011-04-26 f7ebfc4
A bit more on pseudo-coherence
assigned tag 0658 2011-04-25 c3f7120
Tags: Added new tags
created statement with label lemma-perfect in more-algebra.tex 2011-04-24 aecc15f
Perfect complexes

	A bit of work in order to talk intelligently about perfect
	complexes over rings. In this change we
		Introduced derived tensor products
		Introduced pseudo-coherent complexes (a la SGA6)
		Introduced tor-amplitude and finite tor dimension
		Introduced perfect complexes