Sándor Kovács's user avatar
Sándor Kovács's user avatar
Sándor Kovács's user avatar
Sándor Kovács
  • Member for 13 years, 6 months
  • Last seen this week
2 votes
Accepted

Degree of fibers with too large dimension

2 votes

Criterions for Reflexiveness of sheaves and a special case

2 votes
Accepted

A simple question on the closure of the image of a morphism

2 votes

Cohomology of complexes

2 votes
Accepted

A question on smoothness of varieties

2 votes
Accepted

Is the restriction map an epimorphism of commutative rings?

2 votes

commuting the resolution of 1-dim singular locus and 0-dim singularities in a non isolated singularity of a surface

2 votes

Hypercohomology of a complex of sheaves that might be acyclic (or might not)

2 votes
Accepted

A problem on Cohen Macaulay ring

2 votes

Ample vector bundles on complex tori

2 votes

Hyper(co)homology of exact (acyclic) complexes

2 votes

Dimension and singularities of the minimal log canonical center

2 votes

Divisor class group on blowup of nodal surface

2 votes

On the m-th power of the Hodge bundle and Arakelov's theorem

2 votes
Accepted

when does one want to use the Reynolds operator in GIT?

2 votes
Accepted

global sections of canonical line bundle of a projective variety

2 votes

How to estimate the $h^0(L^{\otimes n})$

2 votes

exceptional divisor on a smooth surface

2 votes

Surfaces ruled over elliptic curves

2 votes
Accepted

QQ-Gorenstein smoothing of a surface and a finite group action

2 votes
Accepted

Rational singularities under flat morphisms

2 votes
Accepted

Intuition behind Kawamata's definition of a relative movable Cartier divisor

2 votes

Pull-back of a reflexive sheaf under a flat morphism

2 votes
Accepted

Is $\mathbb{Q}$-factoriality preserved under contraction?

2 votes
Accepted

Does anyone know a reference in the literature regrading a proof that every projective hypersurface with vanishing canonical divisor is uniruled

2 votes

Can one always find a bigger global resolution

2 votes
Accepted

Resolving the base locus of a linear system on product projective space

2 votes

Global sections in proper flat families

2 votes

Construction of log canonical singularity

2 votes
Accepted

Picard groups and birational morphisms