History of tag 06D7
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changed the proof
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2022-01-23 |
9cee969 |
Try to use L/K notation for field extensions
We could also try to consistenly use "field extension" and not just
"extension" and consistently use "ring extension", etc.
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changed the statement
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2012-06-11 |
eb81cb2 |
stacks ---> cats fibred groupoids
A small improvement...
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changed the statement and the proof
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2011-08-11 |
f496b59 |
LaTeX: \Sch
Introduced a new macro
\def\Sch{\textit{Sch}}
and replaced all the occurences of \textit{Sch} with \Sch.
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changed the proof
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2011-08-10 |
65ce54f |
LaTeX: \Spec
Introduced the macro
\def\Spec{\mathop{\rm Spec}}
and changed all the occurences of \text{Spec} into \Spec.
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assigned tag 06D7
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2011-05-17 |
929f4fe
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Tags: Added new tags
Also fixed a reference.
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created statement with label lemma-representable-by-spaces-surjective in criteria.tex
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2011-05-17 |
dd9236b |
Bootstrapping stacks
We finally proved the analogue for algebraic stacks of the final
bootstrap theorem for algebraic spaces proved in commit d70ec1d.
The theorem states that if X ---> Y is a morphism from an
algebraic space to a stack in groupoids, and if this morphism is
representable by algebraic spaces, surjective, flat, and locally
of finite presentation, then Y is an algebraic stack.
An application (to be added still) is that if G/S is a flat and
locally finitely presented group scheme, then [X/G] is an
algebraic stack over S. Etc, etc, etc.
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