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On the specification property and synchronization of unique q-expansions
Ergodic Theory and Dynamical Systems ( IF 0.8 ) Pub Date : 2020-09-28 , DOI: 10.1017/etds.2020.55 RAFAEL ALCARAZ BARRERA
Ergodic Theory and Dynamical Systems ( IF 0.8 ) Pub Date : 2020-09-28 , DOI: 10.1017/etds.2020.55 RAFAEL ALCARAZ BARRERA
Given a positive integer M and $q \in (1, M+1]$ we consider expansions in base q for real numbers $x \in [0, {M}/{q-1}]$ over the alphabet $\{0, \ldots , M\}$ . In particular, we study some dynamical properties of the natural occurring subshift $(\boldsymbol{{V}}_q, \sigma )$ related to unique expansions in such base q . We characterize the set of $q \in \mathcal {V} \subset (1,M+1]$ such that $(\boldsymbol{{V}}_q, \sigma )$ has the specification property and the set of $q \in \mathcal {V}$ such that $(\boldsymbol{{V}}_q, \sigma )$ is a synchronized subshift. Such properties are studied by analysing the combinatorial and dynamical properties of the quasi-greedy expansion of q . We also calculate the size of such classes as subsets of $\mathcal {V}$ giving similar results to those shown by Blanchard [ 10 ] and Schmeling in [ 36 ] in the context of $\beta $ -transformations.
中文翻译:
关于唯一q-展开的规范性质和同步
给定一个正整数米 和$q \in (1, M+1]$ 我们考虑扩大基地q 对于实数$x \in [0, {M}/{q-1}]$ 在字母表上$\{0, \ldots , M\}$ . 特别是,我们研究了自然发生的子位移的一些动力学特性$(\boldsymbol{{V}}_q, \sigma )$ 与此类基地的独特扩展有关q . 我们表征集合$q \in \mathcal {V} \subset (1,M+1]$ 这样$(\boldsymbol{{V}}_q, \sigma )$ 有规范属性和集合$q \in \mathcal {V}$ 这样$(\boldsymbol{{V}}_q, \sigma )$ 是一个同步的子移位。这些性质是通过分析准贪心展开的组合性质和动力学性质来研究的q . 我们还将这些类的大小计算为$\数学{V}$ 给出了与 Blanchard [ 10 ] 和 Schmeling 在 [ 36 ] 中在$\beta $ -转换。
更新日期:2020-09-28
中文翻译:
关于唯一q-展开的规范性质和同步
给定一个正整数