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Basics
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asked
Ampleness after repeated blow-ups
comment
Cohomologies of double covers
Thanks for the anwer. I am interested in unramified cases.
comment
Cohomologies of double covers
Thanks for your quick answer but is it still true when the coeffiecient ring is $\mathbb Z$, not $\mathbb R$?
asked
Cohomologies of double covers
comment
Why is a Kummer surface simply-connected?
Although one can show that $h^{1,0}=0$, the fundamental group may still have a torsion part. Am I correct?
comment
Why is a Kummer surface simply-connected?
That's right. But I would like to see more direct proof.
awarded
 Supporter
comment
Why is a Kummer surface simply-connected?
Yes, the quotient is sinulgar. I am wondering why the quotient (or its crepant resolution) is simply-connected.
asked
Why is a Kummer surface simply-connected?
asked
What is the value of the infinite product: $(1+ \frac{1}{1^1}) (1+ \frac{1}{2^2}) (1+ \frac{1}{3^3}) \cdots $?
awarded
 Student
asked
A similarity problem over matrices over Gaussian integers
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