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Results tagged with automorphism-groups
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user 11682
Questions about the group of automorphisms of any mathematical object $X$ endowed with a given structure, i.e the group of all bijective maps from $X$ to itself preserving this structure, and hence helping study it further and understand it better.
4
votes
Representability of morphism of stacks
This is http://stacks.math.columbia.edu/tag/04Y5 . I quote :
"
lemma
Let $S$ be a scheme contained in $Sch_{fppf}$.
Let $f : \mathcal{X} \to \mathcal{Y}$ be a $1$-morphism of algebraic
stacks over …
- 4,008