Piotr Achinger

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Name Piotr Achinger
Member for 3 years
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Location Berkeley
Age 26
PhD student, UC Berkeley
16

Questions
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Fixed Point Property in Algebraic Geometry

mar 16 10 at 21:59 Torsten Ekedahl 17.9k●1●42●68

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Principal bundles over groups

feb 14 11 at 22:45 David Roberts 11.7k●2●18●55

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Algebraic definition of the Kuranishi map

jan 15 at 10:56 Peter Dalakov 1,351●4●10

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Cohomology of line bundles

aug 28 at 21:23 Piotr Achinger 3,155●6●18

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51

Answers
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24
Serre’s FAC in English
17
Intuitive pictures in characteristic p
16
Is there an algebraic geometry analogue of the closed graph theorem?
10
What algorithm in algebraic geometry should I work on implementing?
9
Depth zero, high dimension
9
The main idea in the proof of Artin’s vanishing
8
On some finiteness properties for schemes
8
What are the general techniques for proving a variety is not toric?
7
Vector Bundles on normal surfaces
7
Learning path for the proof of the Weil Conjectures
5
Projectives in the category of coherent sheaves on a projective variety
4
Does a section having no zero locus divisor imply that it is nowhere vanishing?
4
Relating the toric rank of a semistable curve and the first Betti number of its reduction graph
4
What is the algebraic geometry version of the spheres?
4
When does $Aut(X)=Bir(X)$ hold?
4
cohomology of the Gauss-Manin connection
4
flatness criterion on normal bases
4
meaning of normalization
3
Finite extension of projective space
3
Theta group representation
3
Linearly generated embedding?
3
Reference request: base point freeness of $2\Theta$
3
Extensions of truncated Witt vectors
3
Equality of rational maps
3
Elkies' supersingularity theorem in higher dimension
3
Commuting Matrices and the Weak Nullstellensatz
3
Equivalent definitions of arithmetically Cohen-Macaulay varieties
2
Reference for Dieudonné modules
2
Projective Modules and their Determinants, Extended or not?
2
Frobenius splitting and derived Cartier isomorphism
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