History of tag 0EVD
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assigned tag 0EVD
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2018-08-27 |
0196c42
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Tags: Added new tags
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changed the statement
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2018-08-23 |
d2e670c |
Fix for material in previous commit
A blow up of a non-Noetherian scheme need not be of finite presentation
even if the center is cut out by a finite type ideal. Thus we introduce
"almost blow up squares". This actually makes the whole thing work
better because almost blow up squares are preserved under base change
and in the Noetherian case a blow up square is an almost blow up square.
For more details, please just read the code.
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created statement with label lemma-blow-up-square-h in flat.tex
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2018-08-22 |
9650a5d |
Blow up squares and h topology
Easy peasy lemon squeezy... Perhaps a little bit misleading because blow
ups we are considering needn't be surjective but I think this is really
the correct way to think about this result. In the Noetherian case you
can sort of reduce to blowing up nowhere dense closed subschemes +
require the presheaf to have the same value on the reduction...
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