History of tag 06IH
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changed the statement
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2016-12-10 |
4de58c6 |
Simple examples of deformation categories
Checking the conditions. Could add many more examples.
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changed the proof
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2011-08-11 |
4c15ebf |
LaTeX: \Ob
Introduced a macro
\def\Ob{\mathop{\rm Ob}\nolimits}
and replaced any occurence of \text{Ob}( with \Ob(. There are
still some occurences of \text{Ob} but these are sets, not the
operator that takes the set of objects of a category.
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changed the statement and the proof
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2011-06-28 |
5c0fbf7 |
Versal formal objects
Now we've got uniqueness of versal formal object (correct
statement in the correct generality). This introduces a
different notion of minimality from before -- one which doesn't
look at what happens on tangent spaces. The result later is then
going to be that minimality can be read off from what happens on
tangent spaces, provided we have (S2).
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changed the statement and the proof
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2011-06-24 |
c47c9ea |
Tangent spaces of predeformation categories
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changed the statement and the proof
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2011-06-24 |
7ab110e |
Schlessinger's conditions
I changed the condition (S2) because for non predeformation
categories the condition just wasn't the right one (as far as I
can tell). This has already been a bit of a bore, but hopefully
it will not be too bad. In particular, if F is a predeformation
category then the new condition is equivalent to the old
condition...
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changed the statement and the proof
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2011-06-23 |
a6df7f9 |
Cofibered in groupoids
Formal section with only category theory.
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changed the statement and the proof
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2011-06-23 |
5dd8964 |
The category C_\Lambda
This turned out to be quite a bit more interesting than I had
at first imagined. Can you do this without appealing to the
naive cotangent complex? I am sure you can, but how much longer
would it be...? Patches welcome.
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assigned tag 06IH
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2011-06-01 |
95db5d6
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Tags: Added new tags
Due to the new material in the chapter on deformation theory.
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created statement with label lemma-tangent-space-vector-space in formal-defos.tex
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2011-06-01 |
ae2f687 |
New chapter on formal deformation theory
Written by Alex Perry.
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