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Results tagged with ag.algebraic-geometry
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user 12567
Algebraic varieties, stacks, sheaves, schemes, moduli spaces, complex geometry, quantum cohomology.
1
vote
1
answer
209
views
flatness of a kernel
Hi,
let $A$ an abelian scheme over a curve $C$ and $n$ an integer greather than 3 coprime with the characteristic of the ground field. Do you know why the kernel of the multiplication by $n$ is flat o …
- 31
2
votes
1
answer
500
views
normalization of a stack
Hi,
how is it defined the normalization of an algebraic stack $A$ inside another algebraic stack $B$. If you do not want to write the answer could you give to me some reference?
Thank you
- 31