User Philip Engel

11 votes

Can any smooth hyperelliptic curve be embedded in a quadric surface?

answered Dec 28, 2011 at 18:28

10 votes

If $A$ is the ring of continuous functions on a genus $g$ surface, can the genus of $X$ be seen by simple algebra in $A$?

answered Jan 29, 2016 at 14:10

6 votes

Solving algebraic problems with topology

answered Feb 4, 2016 at 20:17

6 votes

Checkmate in $\omega$ moves?

answered Jan 5, 2012 at 10:49

6 votes

Examples of non-Kähler compact complex manifolds which satisfy the Dolbeault isomorphism

answered Aug 30, 2016 at 16:10

5 votes

Accepted

A very general complex torus is simple

answered Jun 23, 2016 at 3:20

3 votes

Existence of a morphism between two toric varieties

answered Sep 19, 2015 at 15:28

3 votes

Accepted

Loci in the moduli space of K3 surfaces associated to lattices

answered Oct 4, 2015 at 22:25

3 votes

Isomorphic schemes over DVR

answered Nov 27, 2016 at 8:31

1 vote

Modularity of certain theta series associated to hyperbolic lattice

answered Nov 27, 2016 at 9:04

1 vote

Non-arithmetic proof of the integrality of a rational expression

answered Jan 3, 2021 at 21:22

1 vote

Toroidal embedding

answered Mar 2, 2022 at 14:26

1 vote

difference of curve classes

answered Oct 25, 2012 at 8:19

1 vote

Enriques classification of algebraic surfaces

answered Apr 30, 2013 at 13:07

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14 Answers

Can any smooth hyperelliptic curve be embedded in a quadric surface?

If $A$ is the ring of continuous functions on a genus $g$ surface, can the genus of $X$ be seen by simple algebra in $A$?

Solving algebraic problems with topology

Checkmate in $\omega$ moves?

Examples of non-Kähler compact complex manifolds which satisfy the Dolbeault isomorphism

A very general complex torus is simple

Existence of a morphism between two toric varieties

Loci in the moduli space of K3 surfaces associated to lattices

Isomorphic schemes over DVR

Modularity of certain theta series associated to hyperbolic lattice

Non-arithmetic proof of the integrality of a rational expression

Toroidal embedding

difference of curve classes

Enriques classification of algebraic surfaces