History of tag 00R4
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time |
link |
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changed the proof
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2023-01-18 |
98fb792 |
m_R not m
Thanks to Xiaolong Liu
https://stacks.math.columbia.edu/tag/00R4#comment-7799
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changed the statement
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2020-06-15 |
f8b4c56 |
Slogan for miracle flatness
Thanks to Remy van Dobben de Bruyn
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changed the statement and the proof
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2015-03-27 |
84e08c0 |
Upgrade an algebra lemma
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changed the proof
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2012-05-10 |
3f35f36 |
zerodivisor and nonzerodivisor
Seems better this way.
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changed the statement and the proof
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2011-12-19 |
07e9043 |
Flatness criterion improved
Lemma: R ---> S local, R regular, S CM, dim(R) = dim(S), and
special fibre 1 point. Then R ---> S is flat.
Previously the hypotheses included finiteness of the map which
is too strong.
Also added: standard lemma about syntomic ring maps and
presentations.
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assigned tag 00R4
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2009-05-16 |
fad2e12
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Started tags infrastructure
new file: scripts/add_tags.py
modified: scripts/functions.py
new file: tags/initial_tags
new file: tags/tags
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created statement with label lemma-CM-over-regular-flat in algebra.tex
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2009-01-15 |
45e764e |
Trying to add ``critere de platitude par fibres''
modified: algebra.tex
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