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Results tagged with ag.algebraic-geometry
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user 157152
Algebraic varieties, stacks, sheaves, schemes, moduli spaces, complex geometry, quantum cohomology.
1
vote
0
answers
210
views
Isogeny and canonical isomorphism of global highest differential forms
Let $A$ and $B$ be Abelian Varieties of dimension $d$ over a local field $K$. Let $\phi : A \rightarrow B$ be an isogeny and $\phi^{\prime}$ its dual.
Recall that one has a canonical isomorphism $can_ …
13
votes
0
answers
524
views
Is the morphism of sheaves $(R \mapsto GL(R((h)))) \rightarrow (R \mapsto PGL(R((h))))$ surj...
Consider two functors given by $R \mapsto GL(R((h)))$ and $R \mapsto PGL(R((h)))$ for a ring $R$. It is easy to see that these functors are sheaves in Zariski topology (in fact for any affine variety …
7
votes
Classification of symplectic resolutions
I don't have enough reputation to comment so I will post it as an answer. Some classification of symplectic resolutions was done by Namikawa (Poisson deformations and birational geometry). As observed …