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Lisa S.
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Top Questions
16
votes
Grothendieck spectral sequence when one of the functors is contravariant
ag.algebraic-geometry
homological-algebra
spectral-sequences
derived-functors
asked Dec 27, 2015 at 0:37
mathoverflow.net
14
votes
Is there a unique commutative group structure on $\mathbb{G}_m$?
ag.algebraic-geometry
group-schemes
asked Apr 20, 2015 at 1:30
mathoverflow.net
14
votes
A slick proof (?) of Zariski-Nagata purity in characteristic $p$
ag.algebraic-geometry
ac.commutative-algebra
characteristic-p
regular-rings
asked Sep 28, 2017 at 18:00
mathoverflow.net
13
votes
Infinitesimal deformations of the formal group of $\mathbb{G}_m$
ag.algebraic-geometry
deformation-theory
group-schemes
formal-groups
asked May 6, 2015 at 16:18
mathoverflow.net
13
votes
Are there nonisotrivial elliptic curves over $\mathbb{G}_m$?
ag.algebraic-geometry
elliptic-curves
asked Dec 12, 2014 at 3:25
mathoverflow.net
12
votes
Is every proper regular relative algebraic space curve over a Dedekind domain projective?
ag.algebraic-geometry
algebraic-curves
algebraic-spaces
asked May 24, 2015 at 4:11
mathoverflow.net
11
votes
A proper smooth surface is projective
ag.algebraic-geometry
reference-request
algebraic-surfaces
asked Feb 25, 2015 at 5:46
mathoverflow.net
11
votes
Quotient of a smooth curve by a finite group and differentials
ag.algebraic-geometry
algebraic-curves
group-actions
kahler-differentials
asked Dec 23, 2015 at 21:40
mathoverflow.net
10
votes
Reinterpreting Galois descent over finite fields
ag.algebraic-geometry
finite-fields
descent
galois-descent
asked Oct 19, 2015 at 1:52
mathoverflow.net
9
votes
Elliptic curves with the same mod $p$ representation
nt.number-theory
arithmetic-geometry
elliptic-curves
asked May 5, 2017 at 4:02
mathoverflow.net
1
2
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