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Ville Salo's user avatar
Ville Salo's user avatar
Ville Salo's user avatar
Ville Salo
  • Member for 5 years, 7 months
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Researcher at University of Turku.

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All Questions Answers
Score Newest
answer
27
For $x$ irrational, is $a_{n} =\sum_{k=1}^{n}(-1)^{⌊kx⌋}$ unbounded?
Apr 26, 2020
question
26
Units in the group ring over fours group after Gardam
Mar 6, 2021
answer
19
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
15
Is homeomorphism of simplicial complexes semidecidable?
Sep 13, 2018
question
15
Does the Angel have to be really smart?
Jun 2, 2020
question
13
Can matrices over $F[G]$ have infinite order when $G$ is periodic?
Sep 2, 2019
answer
13
What is the name for a point that is periodic to within $\varepsilon$?
Aug 27, 2022
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21
Examples of collapsing hierarchies
11
Reversible polynomial circuit iff polynomial reversible circuit?
5
Subgroup of finitely-generated subgroup

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