Yiftach Barnea's user avatar
Yiftach Barnea's user avatar
Yiftach Barnea's user avatar
Yiftach Barnea
  • Member for 14 years
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57 votes
4 answers
5k views

Advice for PhD Supervisors

18 votes
7 answers
2k views

Examples of residually-finite groups

15 votes
2 answers
916 views

Decidability in groups

14 votes
4 answers
464 views

Axiomatic approach to means

13 votes
2 answers
3k views

The probabilistic method - reference to less challenging questions

13 votes
3 answers
872 views

"Big" groups $G$ with trivial $Out(G)$

11 votes
1 answer
2k views

Good chalk in the UK

9 votes
2 answers
1k views

When is the profinite completion a pro-$p$ group?

9 votes
0 answers
181 views

$p$-groups and the arithmetic of $p$

7 votes
3 answers
514 views

Lower bound for the fractional part of $(4/3)^n$

7 votes
1 answer
1k views

How to buy Spivak's A Comprehensive Introduction to Differential Geometry

6 votes
3 answers
1k views

Isometries and fixed points

6 votes
2 answers
841 views

Decidability: Presentations vs. Groups

6 votes
1 answer
220 views

Introductory text on amenability

5 votes
0 answers
105 views

An example of a residually-finite group which does not have an infinite residually-$p$ subgroup

5 votes
1 answer
247 views

Infinite, residually-finite, finitely generated, groups with very limited composition factors of their finite images.

5 votes
3 answers
763 views

Euclidean function of Euclidean domain defined at 0

4 votes
0 answers
215 views

Words Growth in Finite Groups

4 votes
1 answer
507 views

Finiteness of the Burnside Group

4 votes
1 answer
215 views

On groups without word growth $\succeq\exp(n^{1/2})$

4 votes
2 answers
351 views

Commensurated subgroups of a free group

3 votes
2 answers
195 views

Finitely generated and finitely presented groups and their pro-$p$ completions

3 votes
2 answers
454 views

Maximal size of minimal generating set

3 votes
0 answers
129 views

Isomorphism modulo the residual

3 votes
2 answers
666 views

When is the semidirect product of profinite groups a profinite group?

2 votes
1 answer
402 views

How bad can an infinite linear torsion group be?

2 votes
2 answers
270 views

Diameter of undirected, connected, vertex-transitive graph on $n$ vertices

2 votes
0 answers
89 views

A survey on locally finite groups

1 vote
0 answers
255 views

On groups with finite pro-$p$ completion for all primes $p$