User Ilkka Törmä

9 votes

What is the complexity of the winning condition in infinite Hex? In particular, is infinite Hex a Borel game?

answered Jul 10, 2023 at 21:15

7 votes

Does this property characterize straight lines in the plane?

answered Nov 21, 2020 at 15:38

6 votes

Accepted

Non wandering sets and limit sets

answered Oct 20, 2019 at 6:12

6 votes

Accepted

Entropy-minimal subshifts

answered Feb 28, 2020 at 11:52

4 votes

Accepted

Minimal subshift with some $x \in X$ such that $x_{(-\infty,0)}.x_0x_0x_{(0,\infty)} \in X$?

answered Apr 11, 2020 at 7:29

4 votes

Every mathematician has only a few tricks

answered Jun 30, 2020 at 8:39

4 votes

Accepted

Is Toom's rule robust under local but non-on-site noise?

answered Sep 27, 2021 at 21:08

3 votes

Accepted

Reversal of open cover with topologically transitive dynamical system

answered Oct 31, 2019 at 8:09

2 votes

Accepted

Hamiltonian $\mathbb{Z}$-paths in connected countably infinite vertex-transitive graphs

answered Mar 8, 2022 at 11:50

1 vote

Accepted

Topologically transitive dynamical system mapping space into ball

answered Oct 30, 2019 at 15:09

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10 Answers

What is the complexity of the winning condition in infinite Hex? In particular, is infinite Hex a Borel game?

Does this property characterize straight lines in the plane?

Non wandering sets and limit sets

Entropy-minimal subshifts

Minimal subshift with some $x \in X$ such that $x_{(-\infty,0)}.x_0x_0x_{(0,\infty)} \in X$?

Every mathematician has only a few tricks

Is Toom's rule robust under local but non-on-site noise?

Reversal of open cover with topologically transitive dynamical system

Hamiltonian $\mathbb{Z}$-paths in connected countably infinite vertex-transitive graphs

Topologically transitive dynamical system mapping space into ball