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Ville Salo

Researcher at University of Turku.

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25 For $x$ irrational, is $a_{n} =\sum_{k=1}^{n}(-1)^{⌊kx⌋}$ unbounded? Apr 26 '20
16 If the center of a finite group is trivial, are there two elements whose centralizers intersect trivially? Apr 24 '18
13 Splendid groups Aug 27 '20
12 Does the Angel have to be really smart? Jun 2 '20
12 Is homeomorphism of simplicial complexes semidecidable? Sep 13 '18
12 Homeomorphisms and “mod finite” Jul 4 '20
11 Can matrices over $F[G]$ have infinite order when $G$ is periodic? Sep 2 '19
8 Every mathematician has only a few tricks Jun 16 '20
7 What is the Borel complexity of this set? Jun 18 '20
7 Is a product of Følner sets Følner? Jan 4 '20
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