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Christian Liedtke's user avatar
Christian Liedtke's user avatar
Christian Liedtke's user avatar
Christian Liedtke
  • Member for 13 years, 4 months
  • Last seen more than 9 years ago
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29
Higher dimensional version of the Hurwitz formula?
Aug 3, 2011
answer
13
Hodge numbers of reduction mod $p$
Dec 19, 2012
answer
12
Use of Hilbert Schemes in Arithmetic?
Oct 28, 2012
answer
12
When does $\operatorname{Aut}(X)=\operatorname{Bir}(X)$ hold?
Jan 31, 2013
answer
10
Generalisations of Riemann-Roch for surfaces
Aug 8, 2011
answer
10
Divisorial contraction: when is the image an algebraic space or a stack?
Aug 28, 2012
answer
9
How do non-trivial global differentials give non-trivial cohomology classes in positive characteristic
Sep 24, 2015
answer
8
Hodge spectral sequence for algebraic stacks
Jul 26, 2011
answer
5
Simplest example of jumping of cohomology of structure sheaf in smooth families?
Jul 26, 2011
answer
5
Characterizations of Abelian varieties (3-folds) in positive characteristic
Jul 30, 2011