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frafour
  • Member for 7 years, 5 months
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17 votes
0 answers
3k views

Was Atiyah's proof of the odd order (Feit-Thompson) theorem false?

10 votes
1 answer
1k views

Group isomorphic to its automorphism group

9 votes
2 answers
2k views

Reference for group cohomology

6 votes
1 answer
578 views

Differential Geometry or Functional Analysis? [closed]

6 votes
1 answer
330 views

Ergodic action of dense subgroup

6 votes
2 answers
291 views

Free groups are residually of rank 2

5 votes
2 answers
83 views

Clopen subsets of tdlc groups

5 votes
2 answers
1k views

Definitions of an additive functor

5 votes
2 answers
241 views

Banach-Alaoglu Theorem over spherically complete non-Archimedean fields

5 votes
0 answers
98 views

Splitting of homomorphism onto Prüfer group

4 votes
0 answers
105 views

Groups where every continuous function is uniformly continuous

4 votes
0 answers
110 views

Splitting theorems in finite p-groups

4 votes
1 answer
245 views

On the definition of cohomological dimension

4 votes
1 answer
244 views

Two generators of $F_2$ must be free?

4 votes
1 answer
380 views

Consequences of the Classification of Finite Simple Groups

4 votes
0 answers
98 views

Integral matrices commute modulo $p^k$

4 votes
0 answers
252 views

Topological p-adic vector spaces are totally disconnected?

4 votes
1 answer
334 views

Conjugacy classes in free groups

4 votes
1 answer
677 views

Reference for CW-Complexes

4 votes
1 answer
955 views

Topological invariance of dimension

3 votes
0 answers
169 views

Equivalence of definitions of ergodic action

3 votes
2 answers
276 views

Is a finitely generated metrizable group discrete?

3 votes
1 answer
532 views

Uniqueness of Lebesgue measure on $S^n$

3 votes
0 answers
45 views

Colorability of graphs with finite clique number

3 votes
0 answers
54 views

Free topological groups and quotients

3 votes
1 answer
1k views

2-Sylow subgroup of $\operatorname{GL}(2,3)$

3 votes
0 answers
846 views

Group action on Sylow subgroups

3 votes
1 answer
549 views

Extensions of amenable groups

3 votes
0 answers
276 views

Eigenvalues of an element in a field extension

3 votes
1 answer
76 views

Cohomological dimension of a group via infinite direct product