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Kevin Ventullo

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8 Questions

Votes Activity Newest Views

11

26

votes

4

answers

7k

views

Groups with all subgroups normal

gr.group-theory normal-subgroups

Jan 2 '20 at 13:53 Martin Sleziak 4,257

8

13

votes

1

answer

948

views

Expressing a number field as a composite of extensions ramified at one place

algebraic-number-theory nt.number-theory

Nov 13 '10 at 19:40 Tim Dokchitser 5,113

3

12

votes

3

answers

970

views

Drawing conclusions by NOT using AC.

fa.functional-analysis measure-theory set-theory

Jun 12 '10 at 18:27 T.. 3,375

4

9

votes

2

answers

459

views

Injection of Ext into H^2

homological-algebra group-cohomology

Oct 12 '10 at 10:29 Torsten Ekedahl 21.6k

4

7

votes

3

answers

2k

views

Crystalline Characters

galois-representations algebraic-number-theory nt.number-theory

Apr 23 '18 at 15:14 Community♦ 1

3

7

votes

3

answers

679

views

Why is every factor a tensor product of a $\sigma$-finite factor and a factor of type I?

oa.operator-algebras von-neumann-algebras

May 25 '14 at 9:14 Martin Argerami 2,192

5

votes

1

answer

407

views

Can a p-adic representation and its twist by a non-crystalline character both have nontrivial $D_{cris}$?

nt.number-theory galois-representations

Dec 20 '11 at 16:36 Laurent Berger 6,511

5

votes

1

answer

689

views

Base Change for Eigenvarieties

nt.number-theory rigid-analytic-geometry automorphic-forms

Jun 20 '11 at 21:07 Kevin Buzzard 37.2k

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