History of tag 06NX
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time |
link |
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changed the proof
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2011-07-09 |
2a72fc9 |
Sheaves on Algebraic Stacks
New chapter where we discuss sheaves on algebraic stacks. Basic
material only. Not much there now.
Also added new tags.
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assigned tag 06NX
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2011-06-15 |
2aa1b6c
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Tags: Added new tags
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changed the label to lemma-stack-in-groupoids-over-stack-in-groupoids
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2011-06-07 |
a4b5308 |
Gerbe over stack in groupoids
This is, I think, the correct definition of when a stack in
groupoids is a gerbe over another stack in groupoids (both over
the same site of course). It is spelled out completely what this
means in practice, as well as a nice theoretical description
in terms of ameliorations as in the previous commit.
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changed the statement and the proof
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2011-06-07 |
a4b5308 |
Gerbe over stack in groupoids
This is, I think, the correct definition of when a stack in
groupoids is a gerbe over another stack in groupoids (both over
the same site of course). It is spelled out completely what this
means in practice, as well as a nice theoretical description
in terms of ameliorations as in the previous commit.
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created statement with label lemma-stack-over-fibred-in-groupoids in stacks.tex
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2011-06-07 |
fcc2791 |
Amelioration of maps of cats fibred in groupoids
If X ---> Y is a 1-morphism of cats fibred in groupoids over a
category C then there is a replacement of X which is fibred in
groupoids over Y and equivalent to X. Moreover this has a
certain uniqueness. See actual text for details.
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