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Tim Dokchitser's user avatar
Tim Dokchitser's user avatar
Tim Dokchitser
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28 Answers

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142 votes

Proofs that require fundamentally new ways of thinking

38 votes

element algebraically distinguishable from its inverse

34 votes
Accepted

Difference of j-invariant values and the abc conjecture

28 votes
Accepted

BSD conjecture for X_0(17)

22 votes
Accepted

Are there "real" vs. "quaternionic" conjugacy classes in finite groups?

19 votes
Accepted

The boundedness of the rank of twists of a fixed curve

19 votes
Accepted

jacobians with non-abelian complex multiplication

19 votes
Accepted

In which ways can the isogeny theorem fail for local fields?

17 votes
Accepted

How to solve a quadratic equation in characteristic 2 ?

15 votes
Accepted

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

15 votes

Are the numbers of elements of two distinct prime orders not equal in finite groups?

15 votes
Accepted

How does Saito's treatment of the conductor and discriminant reconcile with an elliptic curve?

13 votes

Obstruction to extension of non-abelian groups - finite example?

13 votes
Accepted

What happened to Emmy Noether's *Zukunftsphantasie* ?

12 votes
Accepted

Smooth proper schemes over rings of integers with points everywhere locally

11 votes

Examples of rational families of abelian varieties.

10 votes
Accepted

On the solvable octic $x^8-x^7+29x^2+29=0$

8 votes

A question about finite groups.

8 votes
Accepted

Rational groups

7 votes

The automorphism group of a hyperelliptic curve

7 votes
Accepted

Is there a formula for a hyperelliptic curve over QQ, such that its Jacobian contains a rational torsion point of extact order n, for any given n?

6 votes
Accepted

Permutation characters and regular orbits

6 votes

Does $SL_3(R)$ embed in $SL_2(R)$?

6 votes
Accepted

A basic question about selfnormalizing subgroups

5 votes
Accepted

List of centers of finite groups

5 votes
Accepted

Pro-$l$ Sylow action in a primitive representation of inertia over $\overline{\mathbb{F}}_l$

5 votes
Accepted

Pre-images of unipotent elements in $\operatorname{SL}_{n}(A)$

3 votes

Why are absolute values more natural than discrete valuations?