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Jef's user avatar
Jef
  • Member for 6 years, 10 months
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  • UK
4 votes
0 answers
107 views

Projective reduction of image of power series is algebraic?

3 votes
0 answers
140 views

Locus where a family of cycles is rationally trivial is countable union of closed subvarieties?

1 vote
0 answers
132 views

Locus where a family of cycles is rationally trivial is closed?

10 votes
0 answers
220 views

If $H$ is a quotient of $G$, does there exist an $H$-extension of $\mathbb{Q}$ not contained in a $G$-extension?

5 votes
1 answer
303 views

Conductor at 2 of abelian surfaces with real multiplication

12 votes
1 answer
388 views

Fixed point scheme of finite group Cohen-Macaulay?

6 votes
1 answer
306 views

Extending $G$-torsors on open subsets of affine space

5 votes
1 answer
270 views

First cohomology of tangent sheaf of rational curve

3 votes
1 answer
65 views

Action of Coxeter element on mod $2$ root lattice is semisimple

3 votes
1 answer
280 views

Rank 3 Lagrangian vector bundles on an elliptic curve

5 votes
0 answers
166 views

Unirationality of universal Jacobian over special strata of moduli space of pointed genus 3 curves