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Answers
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9
Stacks in modern number theory/arithmetic geometry
5
Fields obtained by adjoining x coordinates of torsion points on elliptic curves
10
What is an explicit example of a variety X which is finite over Spec F_p but which does not lift to a scheme Y which is finite and flat over Spec Z_p?
7
Local structure of Deligne-Mumford stacks
2
Why is lack of functoriality of the Lisse-Etale topology specific to the Lisse-Etale topology?
14
Has anyone thought about creating a formal proof wiki with verifier?
8
What is the inverse image sheaf necessary for in algebraic geometry?
8
For which composite $N$ does $X_0(N)$ possess a non-cuspidal rational point?
4
When does the left-adjoint to a geometric morphism preserve epis?
1
Quasi-coherent sheaves in the Functor-of-points approach
3
hard diophantine equation
4
Degrees of etale covers of stacks
5
Looking for reference talking about relationship between descent theory and cohomological descent
11
When is a coarse moduli space also a fine moduli space?
7
Coarse moduli spaces over Z and F_p
4
Colimits of schemes
7
Legitimacy of reducing mod p a complex multiplication action of an elliptic curve?
11
Are Jacobians principally polarized over non-algebraically closed fields?
0
Counting points on varieties of low codimension
2
2-adic Coefficients of Modular Hecke Eigenforms.
7
When is an algebraic space a scheme? (2)
3
equivalence of Grothendieck-style versus Cech-style sheaf cohomology
10
Examples of algebraic stacks without coarse moduli space?
1
What are the automorphism groups of (principally polarized) abelian varieties?
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Conductors of non-abelian number fields?
2
Sections of a divisor on elliptic curve
1
How do you keep your research notes organized?
3
Can any topological space be the result of a scheme?
3
“Albanese” schemes: When does an “initial abelian scheme” exist under a given scheme?
24
Good introductory references on algebraic stacks?
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