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Fei YE

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Name Fei YE
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May
26
comment When is an ample line bundle on an abelian variety base point free?
The base point free part also holds for 4-folds by the work of Kawamata.
May
23
comment Evidences on Hartshorne’s conjecture? References?
I guess that you mean that $H^1(\mathbb{P}^n, E(t))=0$ for any $t\in \mathbb{Z}$.
May
9
awarded  Popular Question
May
1
comment Enriques classification of algebraic surfaces
Dear Philip, thanks for the answer. Maybe my question is not clear. The classification method is exactly what I want to avoid. I am looking for a direct way of proof. Thanks again.
Apr
30
revised Enriques classification of algebraic surfaces
deleted 5 characters in body
Apr
30
comment Enriques classification of algebraic surfaces
Thanks, MP. You are right, the second one is easier. I should ask the other way around.
Apr
29
asked Enriques classification of algebraic surfaces
Feb
26
comment Smooth projective varieties of Picard number one
Thanks a lot for the comment. Are there other types?
Feb
26
asked Smooth projective varieties of Picard number one