## New answers tagged shimura-varieties

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### Why automorphism group of a Hermitian symmetric domain has trivial center?

This is probably not the most direct argument...
Theorem 4.6 of Chapter VIII of Helgason Differential Geometry, Lie Groups, and Symmetric Spaces states that a hermitian symmetric domain is simply-...

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### Divisors on product abelian fourfolds

Unfortunately I do not really know a reference, but the proof is simple enough, so let me reproduce it here. For this answer, I denote by $\operatorname{NS}(X)$ the image of $c_1 \colon \operatorname{...

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