50

Questions
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What are the automorphism groups of (principally polarized) abelian varieties?

may 8 11 at 18:09 Torsten Ekedahl 17.9k●1●42●68

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11
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3
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1k
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The algebraic fundamental group of a reductive algebraic group

jan 11 11 at 20:53 Masoud 133●5

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645
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Hodge structures on algebraic spaces

dec 20 10 at 11:46 shenghao 2,653●5●23

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answer
678
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blow-up proper varieties to projective ones

feb 7 11 at 10:28 Qing Liu 8,585●17●26

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0
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369
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Lifting varieties from char. $p$ to char. 0 after alterations

sep 11 11 at 16:11 shenghao 2,653●5●23

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315
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Is there an explicit example of a coefficient sheaf for which hard Lefschetz fails?

aug 5 at 21:27 MTS 5,306●1●9●27

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578
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coarse moduli space of DM stacks

feb 10 10 at 4:46 David Rydh 1,903●7●15

 
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A faithful representation “generates” all the other representations

oct 4 10 at 4:35 Ben Webster♦ 20.7k●1●44●114

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affine morphism

nov 9 10 at 4:27 Sándor Kovács 23.7k●2●52●73

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4
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cohomology of moduli spaces

apr 14 11 at 12:44 shenghao 2,653●5●23

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