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arXiv 0709.1185math.OAmath.DS
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单侧子移位的轨道等价性及其C^*-代数

Orbit equivalence of one-sided subshifts and the associated C^*-algebras

Kengo Matsumoto

摘要:

$λ$ -图系统${\frak L}$是有限标号图的推广,并给出了一个子移位.本文证明了$λ$ -图系统${\frak L}_1$和${\frak L}_2$的拓扑动力系统$(X_{{\frak L}_1},σ_{{\frak L}_1})$和$(X_{{\frak L}_2},σ_{{\frak L}_2})$是连续轨道等价的当且仅当在相应的$C^*$ -代数${\Cal O}_{{\frak L}_1}$和${\Cal O}_{{\frak L}_2}$之间存在保持其交换的$C^*$ -子代数$C(X_{{\frak L}_1})$和$C(X_{{\frak L}_2})$的同构.它等价于存在从$X_{{\frak L}_1}$到$X_{{\frak L}_2}$的同胚交织它们的拓扑全逆半群的条件。特别地,单侧子移位$X_{Λ_1}$和$X_{Λ_2}$是$λ$ -连续轨道等价的当且仅当在相关的$C^*$ -代数${\Cal O}_{Λ_1}$和${\Cal O}_{Λ_2}$之间存在保持它们的交换$C^*$ -子代数$C(X_{Λ_1})$和$C(X_{Λ_2})$的同构。

英文摘要:

A $λ$-graph system ${\frak L}$ is a generalization of a finite labeled graph and presents a subshift. We will prove that the topological dynamical systems $(X_{{\frak L}_1},σ_{{\frak L}_1})$ and $(X_{{\frak L}_2},σ_{{\frak L}_2})$ for $λ$-graph systems ${\frak L}_1$ and ${\frak L}_2$ are continuously orbit equivalent if and only if there exists an isomorphism between the associated $C^*$-algebras ${\Cal O}_{{\frak L}_1}$ and ${\Cal O}_{{\frak L}_2}$ keeping their commutative $C^*$-subalgebras $C(X_{{\frak L}_1})$ and $C(X_{{\frak L}_2})$. It is also equivalent to the condition that there exists a homeomorphism from $X_{{\frak L}_1}$ to $X_{{\frak L}_2}$ intertwining their topological full inverse semigroups. In particular, one-sided subshifts $X_{Λ_1}$ and $X_{Λ_2}$ are $λ$-continuously orbit equivalent if and only if there exists an isomorphism between the associated $C^*$-algebras ${\Cal O}_{Λ_1}$ and ${\Cal O}_{Λ_2}$ keeping their commutative $C^*$-subalgebras $C(X_{Λ_1})$ and $C(X_{Λ_2})$.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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