Lindenstrauss–Tsukamoto embedding conjecture for topological dynamical systems

Let (X,T)(X,T) be a topological dynamical system, let dd be a positive integer, let mdim(X,T)\operatorname{mdim}(X,T) denote its mean dimension, let dim\operatorname{dim} denote topological dimension, and let σ\sigma be the shift on (([0,1]d)Z)(([0,1]^d)^{\mathbb{Z}}). Lindenstrauss–Tsukamoto conjecture. If

mdim(X,T)<d2\operatorname{mdim}(X,T)<\frac{d}{2}

and

dim({x:Tnx=x})n<d2for all n1,\frac{\operatorname{dim}(\{x:T^n x=x\})}{n}<\frac{d}{2}\quad\text{for all }n\geq 1,

then there is an embedding from (X,T)(X,T) into (([0,1]d)Z,σ)(([0,1]^d)^{\mathbb{Z}},\sigma). This conjecture holds generically, but it remains widely open in general.

Sources & referencesView supporting material

Primary source

Ruxi Shi, “Embedding theorems for discrete dynamical systems and topological flows”, arXiv:2011.05121 (2020).

Additional references

4 papers in this index state this conjecture (2012–2020). The statement above is taken from the most recent of them; the others are arXiv:1806.01897, arXiv:1407.2058, arXiv:1207.3906.

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