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Ilkka Törmä's user avatar
Ilkka Törmä's user avatar
Ilkka Törmä's user avatar
Ilkka Törmä
  • Member for 11 years, 1 month
  • Last seen more than a month ago
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About

University teacher at University of Turku, Finland, doing research in:

  • Multidimensional symbolic dynamics.
  • Dynamics of cellular automata.
  • Symbolic dynamics on groups.

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Top posts

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20
Is there a concept of Turing Machine over a group, not just over the integers as a model of the tape?
Mar 13, 2025
9
A residually finite modification of the wreath product
Jan 26, 2018
9
What is the complexity of the winning condition in infinite Hex? In particular, is infinite Hex a Borel game?
Jul 10, 2023
7
Occurrence of binary words in divisibility patterns
Sep 30, 2020
7
Does this property characterize straight lines in the plane?
Nov 21, 2020
6
Non wandering sets and limit sets
Oct 20, 2019
6
Entropy-minimal subshifts
Feb 28, 2020
5
Every mathematician has only a few tricks
Jun 30, 2020
4
Minimal subshift with some $x \in X$ such that $x_{(-\infty,0)}.x_0x_0x_{(0,\infty)} \in X$?
Apr 11, 2020
4
Is Toom's rule robust under local but non-on-site noise?
Sep 27, 2021

Top network posts

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57
Rotate the dots
49
At least h with at least h
48
Remove every N-th N
44
Antsy permutations
41
Time-Sensitive Echo