Harry

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seen Feb 7 at 18:18
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78 Posts

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Feb
3
 asked What are the easiest surfaces of general type
Jan
31
 asked Is the number of automorphisms of a hyperelliptic curve bounded
Jan
30
 asked What do we know about smooth families over the open unit disc
Jan
29
 asked Elliptic curves over Spec Z
Jan
24
 asked Is there a construction known for associating a K3 surface to a curve or cover of curves
Jan
24
 asked Doesn't Abhyankar's lemma contradict faithful flat descent (no, but I'm confused)
Jan
24
 asked Is a group with only finitely many subgroups of index n (for all n) finitely generated
Jan
23
 asked Is a finite field extension of a imperfect field imperfect
Jan
19
 asked Is $M_g$ a subvariety of $M_{h}$ for some $h>g$
Jan
19
 asked Are there generalizations of Prym varieties to higher dimensions
Jan
18
 answered Is the relative rank function with respect to an ample line bundle non-decreasing
Jan
18
 asked Is the relative rank function with respect to an ample line bundle non-decreasing
Jan
13
 asked Are there moduli spaces of higher-dimensional varieties
Jan
8
 asked Pulling-back a divisor and reducing it
Jan
4
 asked Can a ring of integers contain a $2$-dimensional noetherian normal integral domain?
Dec
23
 asked Is the complement of an ample divisor always affine
Dec
21
 asked Does this equation have integer solutions
Dec
21
 asked Why is the rank of $f_\ast L$ the degree of $f$
Dec
21
 asked If $X\times C$ is isomorphic to $Y\times C$, does it follow that $X$ is isomorphic to $Y$
Dec
20
 asked Abelian subvarieties of a principally polarized abelian variety are principally polarized
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