Talk:Exalcomm
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Todo[edit]
- define morphisms between them
- give examples of morphisms and non-isomorphic extensions
- show module structure for exal
- define exal for schemes
- add explanation of composition of exal groups with the module formed by a direct sum of dual numbers, giving
Confusion in section "Relation with the cotangent complex"[edit]
I think there is a mistake here. The correct statement should be
.
Illusie, in [1], uses instead of Grothendieck's .
None of the original French texts use , they write (EGA IV) or (Illusie).