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The rotation sets of most volume preserving homeomorphisms on $${\mathbb{T}^d}$$ T d are stable, convex and rational polyhedrons
Israel Journal of Mathematics ( IF 1 ) Pub Date : 2021-05-25 , DOI: 10.1007/s11856-021-2148-7
Wescley Bonomo , Heides Lima , Paulo Varandas

We consider volume preserving homeomorphisms of the torus \({\mathbb{T}^d}\) (d ≥ 2) homotopic to the identity and prove that there exists a C0-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. We obtain related results for continuous maps and general homeomorphisms homotopic to the identity.



中文翻译:

$$ {\ mathbb {T} ^ d} $$ T d上大多数体积保持同胚的旋转集是稳定的,凸的和有理的多面体

我们考虑圆环的体积保持同胚\({\ mathbb【T} ^ d} \) d ≥2)同伦到身份和证明了存在一个Ç 0具有稳定的旋转套那些同胚的-open和密集子集。而且,旋转集是具有有理顶点和非空内部的多面体。最后,我们证明了由实现极值向量的点组成的\({\ mathbb {T} ^ d} \)中的能级集携带零拓扑熵。我们获得了有关连续图谱和与该身份同构的一般同胚的相关结果。

更新日期:2021-05-25
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