Skip to main content
MathOverflow
Peter Kropholler's user avatar
Peter Kropholler's user avatar
Peter Kropholler's user avatar
Peter Kropholler
  • Member for 6 years, 6 months
  • Last seen more than a week ago
Profile Activity
Stats
1,638
reputation
11k
reached
16
answers
17
questions
Communities
View all
Badges
View all badges
This user doesn’t have any gold badges yet.
8
silver badges
19
bronze badges
Top tags
View all tags
19
Score
10
Posts
30
Posts %
12
Score
6
Posts
18
Posts %
11
Score
5
Posts
15
Posts %
10
Score
4
Posts
12
Posts %
9
Score
3
Posts
9
Posts %
7
Score
4
Posts
12
Posts %
Top posts
View all questions and answers
question
12
Is there a notion of 'amenable ring'
May 27, 2018
question
12
Group extensions with non-abelian kernel
May 6, 2021
question
12
What is the least $n\ge1$ for which there is an $n$-dimensional closed flat manifold with perfect fundamental group?
Dec 22, 2022
question
11
Are condensed vector spaces over finite fields always solid?
Jan 14, 2022
question
11
Example of three dimensional atoroidal Poincaré duality group with some pathology
Dec 16, 2023
question
9
Sets of algebraic integers whose differences are units
Jun 27
question
8
Calculation of boundary of slant product in W. S. Massey's Singular Homology textbook
Jul 30, 2022
question
8
In search of a quick proof that groups acting freely on $\mathbb R$-trees are linear
Dec 21, 2022
answer
7
Is there a flat manifold with trivial first homology?
Nov 27, 2022
question
6
Amenable groups with all subgroups finitely generated
Jun 7, 2020