History of tag 05C0
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changed the proof
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2020-06-16 |
d803445 |
Equal should be inclusion
Thanks to guoh064
https://stacks.math.columbia.edu/tag/00L9#comment-5074
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changed the statement
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2012-05-10 |
3f35f36 |
zerodivisor and nonzerodivisor
Seems better this way.
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changed the statement
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2010-10-20 |
7f432aa |
Explain purity
We added the following fun lemma: Suppose R ---> S is a ring map
with R local and M an R-module. Assume that
S/m_RS is Noetherian
M/m_RM is finite over S/m_RS
M is projective as an R-module
Then any prime q of S which is an associated prime of M \otimes
k(p) where p = q \cap R is contained in a prime of S lying over
m_R. This lemma in some sense explains the notion of purity
introduced in Raynaud-Gruson...
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assigned tag 05C0
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2010-10-07 |
84ec8c5
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Tags: Added new tags
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created statement with label lemma-localize-ass-nonzero-divisors in algebra.tex
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2010-09-29 |
b3599c2 |
Assasins and ring maps
Various lemmas on associated primes and change of rings.
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