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Ville Salo's user avatar
Ville Salo's user avatar
Ville Salo's user avatar
Ville Salo
  • Member for 4 years, 9 months
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Researcher at University of Turku.

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Score Newest
answer
27
For $x$ irrational, is $a_{n} =\sum_{k=1}^{n}(-1)^{⌊kx⌋}$ unbounded?
Apr 26, 2020
question
21
Units in the group ring over fours group after Gardam
Mar 6, 2021
answer
18
An aperiodic hexagonal tile?
Sep 16, 2022
answer
17
Does Conway's game of life admit a notion of energy?
Jul 17, 2022
question
16
If the center of a finite group is trivial, are there two elements whose centralizers intersect trivially?
Apr 24, 2018
answer
16
Structure theorems for compact sets of rationals
Feb 24, 2022
question
13
Is homeomorphism of simplicial complexes semidecidable?
Sep 13, 2018
answer
13
What is the name for a point that is periodic to within $\varepsilon$?
Aug 27, 2022
question
13
Splendid groups
Aug 27, 2020
question
12
Can matrices over $F[G]$ have infinite order when $G$ is periodic?
Sep 2, 2019
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20
Examples of collapsing hierarchies
11
Reversible polynomial circuit iff polynomial reversible circuit?
5
Subgroup of finitely-generated subgroup

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