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Bernie's user avatar
Bernie's user avatar
Bernie
  • Member for 9 years
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6 votes
Accepted

A torsion-free sheaf of rank 1 on a surface

5 votes
Accepted

Determinant of a coherent sheaf over a smooth projective variety

4 votes
Accepted

Definition of degree of a coherent sheaf

2 votes
Accepted

Determinant of this coherent sheaf on a surface $S$

2 votes
Accepted

Dimension of moduli space of some stable vector bundles on a cubic 3-fold.

1 vote
Accepted

Pushforward and sheaf-hom

1 vote
Accepted

Obstruction map for Quot schemes is surjective

1 vote
Accepted

Horrocks-Mumford bundle

1 vote

What is affine line in Ext(F'',F')?

1 vote

Dual bundle of a stable vector bundle.

1 vote
Accepted

Why is an exceptional sheaf on $P^n$ locally free?

0 votes

Duality and Serre's criterion