Jonathan Kiehlmann's user avatar
Jonathan Kiehlmann's user avatar
Jonathan Kiehlmann's user avatar
Jonathan Kiehlmann
  • Member for 12 years, 9 months
  • Last seen more than 9 years ago
  • London
20 votes

More open problems

16 votes

What are some good group theory references?

15 votes

Does homeomorphic and isomorphic always imply homeomorphically isomorphic?

14 votes

Examples of eventual counterexamples

8 votes
Accepted

Classification of countable subgroups of the circle

5 votes

A profinite group which is not its own profinite completion?

4 votes
Accepted

Distinct, non-homeomorphic, profinite topologies on a given abstract group ?

4 votes

presentations of the trivial group

3 votes

Writing papers in pre-LaTeX era?

3 votes

Does a group have a unique pro-p topology?

2 votes

Unique existence and the axiom of choice

1 vote
Accepted

Name this pro-$p$ group

-1 votes

When are two proofs of the same theorem really different proofs