Abstract.
Let X be the Cantor set and φ be a minimal homeomorphism on \(X \times \mathbb{T}\). We show that the crossed product C*-algebra \(C*(X \times \mathbb{T}, \varphi)\) is a simple A \(\mathbb{T}\)-algebra provided that the associated cocycle takes its values in rotations on \(\mathbb{T}\). Given two minimal systems \((X \times \mathbb{T}, \varphi)\) and \((Y \times \mathbb{T}, \psi)\) such that φ and ψ arise from cocycles with values in isometric homeomorphisms on \(\mathbb{T}\), we show that two systems are approximately K-conjugate when they have the same K-theoretical information.
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Lin, H., Matui, H. Minimal dynamical systems on the product of the Cantor set and the circle II. Sel. math., New ser. 12, 199 (2006). https://doi.org/10.1007/s00029-006-0025-1
DOI: https://doi.org/10.1007/s00029-006-0025-1