naf's user avatar
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naf's user avatar
naf
  • Member for 14 years, 5 months
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9 votes
Accepted

A question about quotient singularity

9 votes

l-adic vs complex Perverse Sheaves

9 votes
Accepted

A Jacobian with a good reduction, which is simple : how is the reduction of the curve?

9 votes
Accepted

Are any of these complex surfaces ever projective?

9 votes
Accepted

Motives from the fundamental group made nilpotent

8 votes

Canonical liftings of endomorphisms of ordinary abelian varieties

8 votes
Accepted

Reference for a theorem of Tate on the endomorphism rings of AVs over finite fields

8 votes

K3 surfaces with good reduction away from finitely many places

7 votes
Accepted

Smooth variety with positive point-count polynomial and odd cohomology

7 votes

Conformal blocks vector bundles on $\overline{M}_{g}$ in terms of generalized theta functions?

7 votes
Accepted

Can we bound the minimal degree of a field extension required to obtain semi-stable reduction

7 votes
Accepted

Comparing fundamental groups of a complex orbifolds and their resolutions.

7 votes
Accepted

Do all Dedekind domains have the "Riemann-Roch property"?

7 votes

What is an example of a smooth variety over a finite field F_p which does not embed into a smooth scheme over Z_p?

6 votes

Are the closures of the tori in the decomposition of a torified variety toric varieties?

6 votes

References on semismall maps

6 votes
Accepted

Central division and quaternion algebras

6 votes
Accepted

When does Zariski closure commute with base change?

6 votes
Accepted

Cohomology of projective space bundles

6 votes
Accepted

connected component of the identity section in the special fiber of the Neron model under isogenies

5 votes
Accepted

diffeomorphic, holomorphic, biholomorphic

5 votes
Accepted

On the place where $\mathrm{Hilb}_{lines}^{x}(X)$ is smooth.

5 votes

Non-trivial surjective holomorphic selfmap of compact Kähler manifold of $\operatorname{dim} \geq 3$?

5 votes
Accepted

Why are the different definitions of minimal model equivalent?

5 votes
Accepted

Deforming ample line bundles vs cohomology group

5 votes
Accepted

If X -> Y -> X is the identity and Y is of finite type, can I say anything about X?

5 votes

Where stands functoriality in 2009?

5 votes
Accepted

Why is the Hodge class of \bar{M_g} big and nef?

5 votes

Is there a "crash-course" book on Abelian varieties (e.g., an introduction for physicists)?

5 votes
Accepted

Dimension of Chow groups