User Heitor

8 votes

2 answers

1k views

The gonality of smooth plane curves

asked Dec 8, 2015 at 17:45

5 votes

2 answers

469 views

Reference for Automorphisms of K3 surfaces

asked Oct 14, 2013 at 18:09

5 votes

1 answer

304 views

Does $h^1(D)=0$ imply numerical connectedness on K3 surfaces?

asked Mar 1, 2014 at 15:43

5 votes

1 answer

332 views

Positivity question on K3 surfaces

asked Mar 4, 2014 at 17:04

4 votes

2 answers

2k views

Topology of the blowup of a surface at a point (connected sum)

asked Mar 18, 2018 at 10:37

3 votes

1 answer

239 views

Sufficient conditions for a divisor to be connected on a K3 surface

asked Feb 14, 2014 at 11:07

3 votes

2 answers

407 views

Are curves with maximal Clifford index Brill-Noether general?

asked Dec 10, 2015 at 11:08

3 votes

1 answer

366 views

Existence of pencils on some special curves of genus 10

asked Dec 18, 2015 at 12:15

3 votes

0 answers

114 views

Projective normality of residual pencils on a general curve

asked Mar 31, 2017 at 11:19

3 votes

3 answers

448 views

Elliptic K3 surface with a section of infinite order

asked Apr 4, 2017 at 15:28

3 votes

1 answer

456 views

Differential map of a dominant morphism in char zero

asked May 19, 2017 at 9:43

2 votes

1 answer

566 views

Sections of pullback line bundle via cyclic branched cover

asked Jan 22, 2018 at 17:31

2 votes

1 answer

182 views

Does $\omega_C\simeq N_{C/S}$ always happen on Enriques surfaces?

asked May 3, 2016 at 15:58

2 votes

1 answer

187 views

When is the Clifford index of a curve computed by pencils?

asked Feb 23, 2014 at 13:45

2 votes

1 answer

571 views

when a birational morphism is an isomorphism?

asked Oct 9, 2013 at 10:21

2 votes

1 answer

623 views

Dual of a Complex 2-Torus

asked Oct 31, 2013 at 13:48

2 votes

2 answers

1k views

Nefness on a K3 surface

asked Nov 12, 2013 at 12:35

2 votes

1 answer

203 views

Weyl group of a K3 surface

asked Feb 8, 2014 at 13:45

1 vote

1 answer

182 views

Characterization of $d$-gonal curves on a K3 surface

asked Dec 4, 2014 at 18:05

1 vote

1 answer

324 views

Smoothness of the quotient surface by an involution with nice fixed locus

asked Nov 29, 2013 at 16:02

0 votes

2 answers

508 views

K3 surface with a non-symplectic involution: a basic question

asked Nov 25, 2013 at 12:08

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21 Questions

The gonality of smooth plane curves

Reference for Automorphisms of K3 surfaces

Does $h^1(D)=0$ imply numerical connectedness on K3 surfaces?

Positivity question on K3 surfaces

Topology of the blowup of a surface at a point (connected sum)

Sufficient conditions for a divisor to be connected on a K3 surface

Are curves with maximal Clifford index Brill-Noether general?

Existence of pencils on some special curves of genus 10

Projective normality of residual pencils on a general curve

Elliptic K3 surface with a section of infinite order

Differential map of a dominant morphism in char zero

Sections of pullback line bundle via cyclic branched cover

Does $\omega_C\simeq N_{C/S}$ always happen on Enriques surfaces?

When is the Clifford index of a curve computed by pencils?

when a birational morphism is an isomorphism?

Dual of a Complex 2-Torus

Nefness on a K3 surface

Weyl group of a K3 surface

Characterization of $d$-gonal curves on a K3 surface

Smoothness of the quotient surface by an involution with nice fixed locus

K3 surface with a non-symplectic involution: a basic question