Skip to main content
user27920's user avatar
user27920's user avatar
user27920's user avatar
user27920
  • Member for 10 years
  • Last seen more than 9 years ago
18 votes
Accepted

Differences in philosophy between Lie Groups and Differential Galois Theory

16 votes
Accepted

Picard of the product of two curves

13 votes
Accepted

GIT over integers

13 votes
Accepted

Is every closed subgroup of $\text{GL}_n(K[[x]])$ finitely generated?

7 votes
Accepted

Compactness of adelic quotients for unipotent groups over global fields

7 votes
Accepted

On a proposition in Hartshorne's paper "Ample vector bundles on curves"

6 votes
Accepted

Theorem 7b of Serre's "Propriétés galoisiennes des points d'ordre fini des courbes elliptiques"

6 votes
Accepted

"Unramified" extension of DVRs and permanence of excellence

6 votes
Accepted

Why is the Tate local duality pairing compatible with the Cartier duality pairing?

6 votes
Accepted

question about the induced homomorphism of etale fundamental groups

6 votes
Accepted

Orbits of an action of maximal compact subgroups of p-adic orthogonal groups

6 votes
Accepted

Chinese Remainder Theorem backwards

5 votes
Accepted

Is an extension of compact Hausdorff topological groups compact?

5 votes

Ideals in the I-adic completion of a ring

5 votes
Accepted

The cardinality of first non-abelian Galois cohomology

5 votes
Accepted

Why is the norm map dual to restriction under Tate local duality?

5 votes

Openness of finite index subgroups of $\mathrm{GL}_n(\prod O_v)$

5 votes
Accepted

Is this formally étale morphism of schemes an isomorphism?

4 votes

Absolutely irreducible p-adic representation of the absolute Galois group of Q_p

4 votes
Accepted

kernel of isogeny becomes constant after base change

4 votes

Specialization Map of family of abelian varieties

4 votes

Minimal fields of isomorphism for varieties

3 votes
Accepted

on lifting extensions

1 vote

Compact elements in $G(K)$ for a reductive group $G$ over a nonarchimedean local field $K$

0 votes
Accepted

Which polynomials define extensions of $k(t)$ unramified at the finite places