User Angelo

5 votes

Extending line bundles

answered Jan 25, 2013 at 17:11

5 votes

Accepted

family of gerbes over smooth and proper algebraic varieties

answered Nov 12, 2012 at 22:18

5 votes

A more general form of Grauert's Theorem on Higher Direct Image Sheaves?

answered Jan 9, 2013 at 21:35

5 votes

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Non-flat locus for smooth schemes

answered Apr 15, 2019 at 18:31

5 votes

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Determine complex analytic germ along a smooth compact curve via normal bundle?

answered Sep 13, 2013 at 19:22

5 votes

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Can one pick generators for the ring of invariants of binary n-ic forms which have rational coefficients?

answered Apr 9, 2013 at 10:18

5 votes

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Finite-type Artin Stack over $\mathbb C$

answered Apr 4, 2013 at 20:51

5 votes

Accepted

Uniformity of injectivity for maps associated to linear systems

answered Dec 14, 2011 at 13:58

5 votes

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Splitting principle in equivariant cohomology

answered Oct 14, 2011 at 18:41

5 votes

Does a generic curve inside the space of curves with a node at a specific point have only finitely many nodes?

answered Jul 29, 2012 at 8:53

5 votes

Definition of torsion sheaf on reducible spaces

answered Sep 25, 2012 at 9:44

5 votes

Analytical predicate for integers over complex numbers

answered Sep 17, 2012 at 19:34

5 votes

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Automorphism group of ruled surface

answered Sep 22, 2012 at 13:59

4 votes

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Usual vs. cohomological Brauer groups of Calabi-Yau threefolds

answered Oct 5, 2012 at 13:14

4 votes

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Why does a homologically trivial cycle have trivial projections?

answered Nov 5, 2012 at 11:20

4 votes

Number of irreducible and connected components constant in flat families

answered Nov 29, 2012 at 17:28

4 votes

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Existence of proper integral models.

answered Jun 5, 2012 at 6:02

4 votes

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Quotients of group actions on varieties

answered Jun 21, 2012 at 19:25

4 votes

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recurrence formula for i-th Chern class of $CP^n$

answered Jul 1, 2012 at 12:36

4 votes

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Representability of Hom-sheaves of various moduli spaces

answered May 22, 2012 at 7:11

4 votes

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Can the intersection of a maximal parabolic with a closed sub-group contain more than one maximal parabolic?

answered Dec 8, 2011 at 17:56

4 votes

What is the "right" definition of the homology(cohomology) of an orbifold?

answered Oct 5, 2011 at 16:04

4 votes

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Linear subspaces in cones over orthogonal groups

answered Mar 18, 2012 at 16:34

4 votes

Degree of generators of irreducible components

answered Mar 28, 2012 at 22:15

4 votes

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Codim 2 subvariety Cartier on a hypersurface containing it

answered Feb 23, 2012 at 16:13

4 votes

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Can Inequivalent Topologies Have Same Sheaves/Cohomology?

answered Apr 24, 2013 at 6:52

4 votes

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Constants sheaves on an open subset

answered Mar 8, 2013 at 13:29

4 votes

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deRham cohomology of a manifold with covering space $S^{n}$

answered Mar 22, 2013 at 6:43

4 votes

Usage of étale cohomology in algebraic geometry

answered Jan 16, 2020 at 7:42

4 votes

What is the local structure of a general Artin stack?

answered Nov 25, 2019 at 7:03

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266 Answers

Extending line bundles

family of gerbes over smooth and proper algebraic varieties

A more general form of Grauert's Theorem on Higher Direct Image Sheaves?

Non-flat locus for smooth schemes

Determine complex analytic germ along a smooth compact curve via normal bundle?

Can one pick generators for the ring of invariants of binary n-ic forms which have rational coefficients?

Finite-type Artin Stack over $\mathbb C$

Uniformity of injectivity for maps associated to linear systems

Splitting principle in equivariant cohomology

Does a generic curve inside the space of curves with a node at a specific point have only finitely many nodes?

Definition of torsion sheaf on reducible spaces

Analytical predicate for integers over complex numbers

Automorphism group of ruled surface

Usual vs. cohomological Brauer groups of Calabi-Yau threefolds

Why does a homologically trivial cycle have trivial projections?

Number of irreducible and connected components constant in flat families

Existence of proper integral models.

Quotients of group actions on varieties

recurrence formula for i-th Chern class of $CP^n$

Representability of Hom-sheaves of various moduli spaces

Can the intersection of a maximal parabolic with a closed sub-group contain more than one maximal parabolic?

What is the "right" definition of the homology(cohomology) of an orbifold?

Linear subspaces in cones over orthogonal groups

Degree of generators of irreducible components

Codim 2 subvariety Cartier on a hypersurface containing it

Can Inequivalent Topologies Have Same Sheaves/Cohomology?

Constants sheaves on an open subset

deRham cohomology of a manifold with covering space $S^{n}$

Usage of étale cohomology in algebraic geometry

What is the local structure of a general Artin stack?