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The rotation sets of most volume preserving homeomorphisms on \(\mathbb{T}^d\) are stable, convex and rational polyhedrons - MaRDI portal

The rotation sets of most volume preserving homeomorphisms on \(\mathbb{T}^d\) are stable, convex and rational polyhedrons (Q2048855)

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scientific article; zbMATH DE number 7384523
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English
The rotation sets of most volume preserving homeomorphisms on \(\mathbb{T}^d\) are stable, convex and rational polyhedrons
scientific article; zbMATH DE number 7384523

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    The rotation sets of most volume preserving homeomorphisms on \(\mathbb{T}^d\) are stable, convex and rational polyhedrons (English)
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    24 August 2021
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    From the summary: ``We consider volume preserving homeomorphisms of the torus \(\mathbb{T}^d\) \((d \geq 2)\) homotopic to the identity and prove that there exists a \(C^0\)-open and dense subset of those homeomorphisms having stable rotation sets. Moreover, the rotation sets are polyhedrons with rational vertices and non-empty interior. Finally, we prove that the level sets in \(\mathbb{T}^d\) formed by points that realize the extremal vectors carry zero topological entropy.'' A very interesting aspect of this paper is that the authors overtake the homeo frame and they provide related results for continuous maps and general homeomorphisms homotopic to the identity.
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    volume-preserving homeomorphisms
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    torus
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    topological entropy
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