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Results tagged with ag.algebraic-geometry
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user 47581
Algebraic varieties, stacks, sheaves, schemes, moduli spaces, complex geometry, quantum cohomology.
8
votes
Understand the difference between two stacks
One can see the difference by writing down the functor of points explicitly. For a test scheme $T$,
\begin{align}
(\mathbb G_m\times BH)(T) & =\{(f,p)\mid f:T\to \mathbb G_m, p:T'\to T\text{ $H$-torso …
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