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tomasz
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14 Questions

Score Activity Newest Views
12 votes
1 answer
638 views

When do two ultrafilters yield isomorphic ultrapowers?

9 votes
1 answer
396 views

Meager subgroups of compact groups

7 votes
0 answers
143 views

Non-compact dynamical systems

6 votes
2 answers
190 views

Are the canonical embeddings into $G*_AH$ quasi-isometric?

6 votes
1 answer
211 views

Amalgamation of finitely generated finite exponent groups

5 votes
0 answers
140 views

Self-additive posets

4 votes
2 answers
210 views

Presentationally finite group "extensions"

4 votes
2 answers
219 views

Order of abelian subgroup of the automorphism group of an abelian group

3 votes
1 answer
139 views

When the fundamental group of subgraph of groups embeds?

1 vote
0 answers
66 views

Finitely presentable groups are residually finite if and only if they are universally pseudofinite

1 vote
0 answers
36 views

Posets which extend centered sets to filters

1 vote
1 answer
49 views

S-unital compact rings are profinite

1 vote
0 answers
21 views

Weakening s-unitality

0 votes
1 answer
169 views

Are all "almost projective" groups free?